ETH price range on Sep 25, 2026 at 5pm EDT?
Short Answer
ETH price is expected to fall between $2,540 and $2,579.99 on September 25, 2026 at 5pm EDT, an outcome the market prices as likely at 93.0%.
1. Market Behavior & Drivers
The price shift on or around September 23 lacks a specific, verifiable catalyst in the provided materials. Research did not identify a causal news event or social media development corresponding with price movements in ETH prediction markets on that date, despite noting general bullish sentiment.
The contract's move to a 28% probability for the $2,540-$2,579.99 range is consistent with pricing on other venues. Data from Polymarket and ProbSee suggest a median market expectation near the $2,500-$2,600 level for the September 25, 2026 settlement. Those markets imply an 82% probability for ETH closing above $2,500 and a 56% probability for closing above $2,600. While the timing of the move is unexplained, the resulting price level aligns with this wider sentiment. The total traded volume of 36,222 contracts indicates the repricing occurred with significant market participation.
- The $2,540-$2,579.99 range appears plausible, aligning with September 19 spot prices.
- Strong ETH ETF inflows or institutional accumulation may lift price toward $2,940-$3,099.99.
Who Wins and Why
| Outcome | Market | Model | Why |
|---|---|---|---|
| $3,220 to 3,259.99 | 28.0% | 86.2% | Outside deterministic model scope. |
| $3,260 to 3,299.99 | 1.0% | 86.2% | Outside deterministic model scope. |
| $3,300 to 3,339.99 | 90.0% | 89.8% | A global shift towards decentralized finance and tokenization could drive unprecedented demand for ETH. |
| $2,380 to 2,419.99 | 1.0% | 86.2% | Outside deterministic model scope. |
| $3,460 or above | 90.0% | 86.2% | A significant positive market event or broader crypto rally could push ETH higher. |
Current Context
Prediction markets imply ETH will close near $2,500-$2,600 on September 25, 2026. Polymarket and ProbSee snapshots indicate an 82% probability for ETH above $2,500, 56% above $2,600, 30% above $2,700, and 14% above $2,800 [1][2]. Kalshi's range market showed a 12% probability for $2,540-$2,579.99 [3][4]. These are market-implied probabilities, not forecasts. Venue-specific results are not interchangeable due to differing settlement indices: Kalshi uses a CF Benchmarks' 60-second Ethereum Real-Time Index average at 5:00 p.m. EDT, Gemini uses the GRR-KAIKO_RFR_ETHUSD_60S index, and Polymarket uses the Binance ETH/USDT 1-minute candle close at noon ET [3][5][4]. Our analytical estimate places the central target near $2,550, with a base-case range of approximately $2,350-$2,750 [6][7]. A broader plausible band stretches from $2,400 to $2,800, but downside below $2,400 and upside above $2,800 were assigned materially lower probabilities [3][5][4][1][8][2]. Thin liquidity, differing settlement indices, macro news, and crypto volatility contribute to this uncertainty.
Recent trading indicates ETH volatility, with options showing mild bullish sentiment. On September 17, 2026, the Coin Metrics CMBI Ethereum Benchmark closed at $2,582.10, having traded between $2,435.55 and $2,583.57, reflecting substantial short-horizon dispersion [7]. Over the preceding month, ETH traded in a $2,300-$2,600 range, with ATM implied volatility at approximately 52%-54% [6][7]. Seven-day volatility carried a slight premium over 14-day volatility [6][7]. Options positioning was modestly constructive, rather than strongly bearish; out-of-the-money calls showed a slight premium over puts, and Glassnode's three-month 25-delta skew was +2.561%, indicating puts were modestly richer than equivalent calls [6][9]. Technical analysis identified approximately $2,438 as support and $2,600-$2,750 as a resistance zone, with $3,000 as a higher upside target [10]. Secondary reporting described a 27,372-ETH Alameda-related transfer to Wintermute and a 15,000-ETH whale purchase on September 23 [11].
Ethereum's roadmap is constructive, but settlement definitions vary. The Ethereum Foundation targets Glamsterdam for December 2026 and expects Hegotá implementation to begin in late Q4 2026, with plans for quantum-resistant L1 components by December 2029 [12]. Secondary reporting for Hegotá proposal and selection milestones are October 4 and November 3, 2026, which are planning dates rather than confirmed mainnet activation dates [13][14]. CF Benchmarks notes Ether remains one of two dominant institutional digital assets [15]. As of September 20, 2026, Glassnode reported vanilla ETH transfers used 9.816% of gas, with exchange activity at 2.368% [16]. The search results did not expose a usable September 25, 2026 ETH strike-by-strike order book, settlement distribution, or prediction-market probability from Laevitas or Deribit pages [17][18][19][20][21]. The requested resolution source is the CF Benchmarks family, but the September 25, 2026 5:00 p.m. EDT ETH fixing value was not available in the retrieved CF Benchmarks results [7][19][15]. The actual answer should resolve against the specified CF ETH/USD New York variant or exact contract wording.
Sources (21)
- 1Ethereum above 2,100-3,100 on September 25? - Polymarket Odds | CoinRithmcoinrithm.com
- 2Ethereum above ___ on September 25?probsee.com
- 3ETH price on Sep 25, 2026 at 5pm EDT? - Kalshi Odds | CoinRithmcoinrithm.com
- 4ETH price range on Sep 25, 2026 at 5pm EDT? - Kalshi Odds | CoinRithmcoinrithm.com
- 5ETH price on September 25 - Compare Gemini vs Polymarket Odds | CoinRithmcoinrithm.com
- 6Crypto Derivatives: Analytics Report - Week 38 - Deribit Insightsinsights.deribit.com
- 7CMBI Ethereum Benchmark - Indexes - Coin Metricsindexes.coinmetrics.io
- 8Ethereum Above $2,100 on September 25? Prediction Market Odds | Lines.comlines.com
- 9ETH 25 Delta Skew Normalized (3 Months) Deribit - Glassnodestudio.glassnode.com
- 10Ethereum's $2,750 September floor and Pectra upgrade myths - Daily Crypto Newscryptoinsider.media
- 11Ethereum News: Alameda Moves $75M ETH as Whale Buys 15Kcoingabbar.com
- 12EF Protocol: Current and Emerging Prioritiesblog.ethereum.org
- 13Hegota marks the end of pre-Lean Ethereum - Daily Crypto Newscryptoinsider.media
- 14Ethereum to Let Users Pay Gas Fees With Stablecoins Under Its 2027 Hegotá Upgradecoingape.com
- 15Emerging Leaders, Established Activity - CFBcfbenchmarks.com
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- 17https://app.laevitas.ch/assets/options/volatility/ETH/deribitapp.laevitas.ch
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- 19Blog - CFBcfbenchmarks.com
- 20Crypto Options and Futures Exchange - Deribit by Coinbasederibit.com
- 21Crypto Options and Futures Exchange - Deribit by Coinbasederibit.com
2. Price Chart
Historical Price (Probability)
Outcome probability
Date
3. Significant Price Movements
Notable price changes detected in the chart, along with research into what caused each movement.
Outcome: $2,980 to 3,019.99
📈 September 23, 2026: 90.0pp spike
Price increased from 0.0% to 90.0%
What happened: The provided research does not verify the premise of a 90.0 percentage point spike for the "$2,980 to 3,019.99" ETH price range outcome on September 23, 2026, nor does it identify a causal news or social media event for such a movement [1][2][3][4]. While there were reports of general ETH bullish factors like strong ETF inflows, short-covering, and whale accumulation around September 23, 2026, these are not tied to a specific spike into the $2,980–$3,019.99 range or any prediction market price movement [5][6][7][8]. Consequently, there is no evidence of specific social media activity, traditional news, or market structure factors that acted as a primary driver for the claimed price move. Based on the available information, social media was irrelevant as a primary driver, as the movement itself and its cause are not documented.
Outcome: $3,380 to 3,419.99
📈 September 22, 2026: 90.0pp spike
Price increased from 0.0% to 90.0%
What happened: The reported 90.0 percentage point spike for the "$3,380 to 3,419.99" ETH price range on September 22, 2026, is not supported by the provided research, which indicates this outcome had only approximately a 1% market probability [9]. While ETH experienced a rally around September 21-22, 2026, reaching the $2,700–$2,778 range, this movement was primarily attributed to Bitcoin's surge towards $86,000, $270 million in U.S. spot-ETH ETF inflows, and BitMine's reported accumulation of 27,562 ETH [10][11][12]. These factors drove ETH prices well below the $3,380–$3,419.99 target range [9][10]. No specific social media activity was identified that would cause or coincide with such a significant increase for the target range. Thus, social media was irrelevant to the unsubstantiated spike.
Outcome: $2,780 to 2,819.99
📈 September 21, 2026: 10.0pp spike
Price increased from 3.0% to 13.0%
What happened: The primary driver for the 10.0 percentage point spike in the prediction market outcome "$2,780 to 2,819.99" on September 21, 2026, was a Bitcoin-led risk-on move and short squeeze [13]. Bitcoin breaking above $85,000–$86,000 triggered about $313 million in short liquidations, causing Ethereum to surge to approximately $2,719–$2,777 [13][14][15][16]. This price movement pushed ETH into the immediate resistance zone of $2,725–$2,786, increasing the perceived probability of the target range [15][16]. No specific influential social media posts were identified as leading or coinciding with the spike; instead, reports cautioned that some social media claims regarding whale accumulation were not fully supported on-chain [17]. Social media was mostly noise or a contributing accelerant for unverified claims, rather than a primary driver.
Outcome: $2,540 to 2,579.99
📈 September 18, 2026: 12.0pp spike
Price increased from 0.0% to 12.0%
What happened: The 12.0 percentage point spike in the prediction market outcome for ETH's price range was primarily driven by a multi-factor rally in Ethereum's spot price on September 18, 2026, which saw ETH jump 3.2%-6.7% towards $2,600 [18][19][20][21]. Key catalysts included news regarding a potential SEC innovation-exemption for tokenized equity [22][23], post-Federal Reserve rate hike relief [21][24], and significant market factors such as a broad crypto short squeeze and approximately $85 million in ETH short liquidations [22][25]. Based on the available research, no specific social media activity or viral narratives were identified as drivers for this movement. Therefore, social media was irrelevant in causing this particular market shift.
Sources (25)
- 1https://docs.kaiko.com/rest-api/monitoring-solutions/kaiko-market-explorer/assets.mddocs.kaiko.com
- 2https://docs.amberdata.io/data-dictionary/analytics/market-insights-historydocs.amberdata.io
- 3Crypto Market Data | Amberdataamberdata.io
- 4ETH US Spot ETF Flows Chart - Glassnodestudio.glassnode.com
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- 6Ethereum Price Forecast: ETH holds above $2,700 as investors continue bullish positioningtmgm.com
- 7Ethereum holds $2,700 as ETF demand collides with Alameda selling pressuretradersunion.com
- 8ETH Holds $2.7K as ETF Inflows and Whale Buying Fuel Movetradingpedia.com
- 9Ethereum price at Sep 25, 2026 at 5pm EDT? | Paritypredictparity.com
- 10Ethereum Price Forecast — ETH-USD ($2,746) $270M ETF Inflow Lifts ETH Past $2,700 — $2,800 Break Targets $3,000tradingnews.com
- 11Ethereum Value Hits $2,777 as Bitcoin’s $86K Breakout Fuels Overbought Rallycryptonews.net
- 12Ethereum (ETH) Surges Past $2,700 as BitMine Accumulates 27,562 More Coins | CryptoCompasscryptocompass.com
- 13Ethereum surges 6% to $2,719 after Bitcoin-led short squeeze wipes out $700Mcryptobriefing.com
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- 15Ethereum Value Analysis: Overbought Signals Post-Bitcoin $86K Breakouten.cryptonomist.ch
- 16ETH Price Prediction: Stretched at the Band, $2,786 or Bust in the Next 7 Days - Blockchain.Newsblockchain.news
- 17Ethereum Price Clears $2,700 Behind Two Whales Pouring $106M Into ETHnews.bitcoin.com
- 18Why Is Ethereum Price Up Today? ETH Jumps 4.5% Toward $2,600cryptotimes.io
- 19Ethereum Reclaims $2,600 After Key Trendline Holds, Following Two Failed Attempts - 24/7 Wall St.247wallst.com
- 20Why Ethereum Jumped 5.8% Today | The Motley Foolfool.com
- 21Ethereum Rises 3.2–3.7% Amid Fed Hike and ETF Outflows | Top Stories | CoinMarketCapcoinmarketcap.com
- 22Ethereum Surges 3.54% on Bitcoin Squeeze, SEC News | Top Stories | CoinMarketCapcoinmarketcap.com
- 23Ethereum Jumps 5.6% as SEC Tokenized Stock Exemption Lifts ETH Toward $2,600 | XInvest Newsxinvestnews.com
- 24Post-Fed Rally Lifts ETH 3.27% as L2 Tokens Surge Past 17% | ethereum.miamiethereum.miami
- 25Ethereum Surpasses $2,600 Amid Short Squeeze and Market Volatility | KuCoinkucoin.com
4. Market Data
Contract Snapshot
This market resolves to YES if the average ETH price on Friday, September 25, 2026, at 5 PM EDT, falls within the range of $2,700 to $2,739.99; otherwise, it resolves to NO. The official and final ETH value is determined by averaging 60 prices from CF Benchmarks' Real Time Index (RTI), collected during the last minute before the 5 PM EDT expiration.
Available Contracts
Market options and current pricing
| Outcome bucket | Yes (price) | No (price) | Last trade probability |
|---|---|---|---|
| $2,540 to 2,579.99 | $0.06 | $0.97 | 93% |
| $1,700 to 1,739.99 | $0.03 | $1.00 | 90% |
| $1,740 to 1,779.99 | $0.03 | $1.00 | 90% |
| $1,860 to 1,899.99 | $0.03 | $1.00 | 90% |
| $1,900 to 1,939.99 | $0.03 | $1.00 | 90% |
| $1,980 to 2,019.99 | $0.03 | $1.00 | 90% |
| $2,020 to 2,059.99 | $0.03 | $1.00 | 90% |
| $2,100 to 2,139.99 | $0.03 | $1.00 | 90% |
| $2,140 to 2,179.99 | $0.03 | $1.00 | 90% |
| $2,180 to 2,219.99 | $0.03 | $1.00 | 90% |
| $2,220 to 2,259.99 | $0.03 | $1.00 | 90% |
| $2,260 to 2,299.99 | $0.03 | $1.00 | 90% |
| $2,300 to 2,339.99 | $0.02 | $1.00 | 90% |
| $2,460 to 2,499.99 | $0.04 | $1.00 | 90% |
| $2,500 to 2,539.99 | $0.05 | $1.00 | 90% |
| $2,580 to 2,619.99 | $0.08 | $0.94 | 90% |
| $2,940 to 2,979.99 | $0.04 | $1.00 | 90% |
| $2,980 to 3,019.99 | $0.03 | $1.00 | 90% |
| $3,020 to 3,059.99 | $0.03 | $1.00 | 90% |
| $3,060 to 3,099.99 | $0.03 | $1.00 | 90% |
| $3,100 to 3,139.99 | $0.03 | $1.00 | 90% |
| $3,140 to 3,179.99 | $0.03 | $1.00 | 90% |
| $3,180 to 3,219.99 | $0.03 | $1.00 | 90% |
| $3,300 to 3,339.99 | $0.03 | $1.00 | 90% |
| $3,340 to 3,379.99 | $0.03 | $1.00 | 90% |
| $3,420 to 3,459.99 | $0.03 | $1.00 | 90% |
| $3,460 or above | $0.03 | $1.00 | 90% |
| $3,220 to 3,259.99 | $0.03 | $1.00 | 28% |
| $2,700 to 2,739.99 | $0.18 | $0.86 | 13% |
| $2,660 to 2,699.99 | $0.16 | $0.88 | 12% |
| $2,740 to 2,779.99 | $0.16 | $0.87 | 12% |
| $2,780 to 2,819.99 | $0.13 | $0.91 | 9% |
| $2,620 to 2,659.99 | $0.13 | $0.91 | 7% |
| $2,820 to 2,859.99 | $0.10 | $0.95 | 5% |
| $1,620 to 1,659.99 | $0.03 | $1.00 | 3% |
| $2,860 to 2,899.99 | $0.06 | $0.97 | 2% |
| $1,539.99 or below | $0.02 | $1.00 | 1% |
| $1,540 to 1,579.99 | $0.02 | $1.00 | 1% |
| $1,580 to 1,619.99 | $0.02 | $1.00 | 1% |
| $1,660 to 1,699.99 | $0.01 | $1.00 | 1% |
| $1,780 to 1,819.99 | $0.02 | $1.00 | 1% |
| $1,820 to 1,859.99 | $0.03 | $1.00 | 1% |
| $1,940 to 1,979.99 | $0.02 | $1.00 | 1% |
| $2,060 to 2,099.99 | $0.02 | $1.00 | 1% |
| $2,340 to 2,379.99 | $0.02 | $1.00 | 1% |
| $2,380 to 2,419.99 | $0.03 | $0.99 | 1% |
| $2,420 to 2,459.99 | $0.03 | $1.00 | 1% |
| $2,900 to 2,939.99 | $0.04 | $0.99 | 1% |
| $3,260 to 3,299.99 | $0.03 | $1.00 | 1% |
| $3,380 to 3,419.99 | $0.02 | $1.00 | 1% |
Market Discussion
As of indexed snapshots from approximately September 19–23, 2026, prediction markets such as Kalshi and Gemini generally indicated ETH would be above $2,520–$2,560 at 5 p.m. EDT on September 25, 2026 [1][2][3]. Kalshi's highest individual probabilities clustered around $2,740–$2,779.99, while Polymarket suggested a broader central range of $2,700–$2,900, with an overall market-implied central estimate around $2,750–$2,850; however, confidence is limited by varying benchmarks and resolution rules across platforms [3][4][5][6][7][8].
Sources (8)
- 1ETH price on Sep 25, 2026 at 5pm EDT? - Kalshi Odds | CoinRithmcoinrithm.com
- 2ETH price on September 25 - Compare Gemini vs Polymarket Odds | CoinRithmcoinrithm.com
- 3Ethereum price at Sep 25, 2026 at 5pm EDT? | Paritypredictparity.com
- 4Ethereum price at Sep 25, 2026 at 5pm EDT? | Paritypredictparity.com
- 5Preço do Ethereum em 25 de setembro?polymarket.com
- 6¿Precio de Ethereum el 25 de septiembre?polymarket.com
- 7ETH / USDT 1H - Correction inside a larger bullish structure for BINANCE:ETHUSDT by Katsumi-Nohara — TradingViewtradingview.com
- 8https://polymarket.com/event/ethereum-price-on-september-25polymarket.com
5. Trust Index
Primary risk· Trade quality
How it adds up
Integrity80% of score88Strong
Trade quality20% of score45High Risk
Trust score79Good
Weighted blend with hard caps — a critically weak safety pillar, or a severe trading anomaly, caps the total regardless of the rest. Full methodology · About the Trust Index
Trust profile
Integrity4 screens run · 5 don't apply · 1 awaiting data
6. How could market anticipation for the Q4 2026 Hegotá and Glamsterdam upgrades impact ETH's price action before the September 25 resolution date?
| Perpetual Funding Rate | 8.5% annualized (as of September 18, 2026) [1][2][3] |
|---|---|
| Open Interest Change | Up 4.0% week-over-week (as of September 18, 2026) [1][2][3] |
| Glamsterdam Anticipated Date | Q4 2026 [4][5] |
Market anticipation for upcoming Ethereum upgrades introduces nuanced impacts on ETH's price action. Anticipation for the Q4 2026 Glamsterdam and 2027 Hegotá upgrades is expected to influence ETH’s price before the September 25, 2026 resolution date [4][5][6][7]. However, these protocol developments are unlikely to solely determine near-term price movements; instead, schedule uncertainty, particularly with Glamsterdam targeting Q4 2026 and Hegotá 2027, can heighten short-term volatility and headline sensitivity [4][5][8][9]. The fundamental bullish narrative for Ethereum centers on long-term benefits like improved execution efficiency and scaling, which depend on successful implementation and adoption rather than immediate ETH demand [4][10][11].
Historical patterns and current derivatives show cautious sentiment amid broader influences. Historically, Ethereum upgrades have both strengthened bullish narratives around scalability and institutional investability, and simultaneously created sell-side pressure, especially when involving unlocked or newly liquid ETH [12][13][14][15][16][17]. As of September 18, 2026, the near-term derivatives market for ETH exhibited a cautiously bullish yet fragile sentiment, evidenced by calls being richer than puts and indications of crowded long exposure, with perpetual funding at 8.5% annualized and open interest up 4.0% week-over-week [1][2][3]. Broader factors such as crypto sentiment, macro conditions, regulation, liquidity, and technical positioning generally have a more dominant impact on short-horizon price moves than protocol progress alone [6][7]. Consequently, while modest upside or range-bound strength is plausible if confidence holds, significant upside or downside volatility is tied to breaking key price ranges or macro risks and long unwinds, rather than upgrade anticipation alone, given the unconfirmed dates [1][2].
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- 17Post-Shanghai: What Really Happenedresearch.glassnode.com
7. What do on-chain metrics and derivatives data from Q3 2026 indicate about the validity of the market-implied consensus price around $2,550 for ETH?
| Plausible Event Price | $2,550 (Sep. 25, 2026 5pm EDT event) [1][2][3][4] |
|---|---|
| ETH Spot Price (Sep 19-20, 2026) | $2,550-$2,636 [5][6] |
| ETH Futures Open Interest | ~$34.24 billion (Sep. 19) [7] |
The available evidence suggests $2,550 is a plausible central price for ETH. ETH spot prices were in the range of $2,550-$2,636 as of September 19 and 20, 2026, establishing this level as a plausible near-term anchor [5][6]. The Coin Metrics CMBI Ethereum spot anchor for Q3 2026 closed at $2,582.10 on September 17, having traded within approximately $2,300-$2,660 during September 10-17 [3]. Derivatives data indicated mildly constructive sentiment, with a positive funding rate on Coinbase's nano Ether perpetual-style contract and a slight premium for out-of-the-money calls [8][1]. On-chain evidence showed improvement throughout Q3, with Ethereum's Total Value Locked (TVL) rising from $36.6 billion to $41.1 billion in July [9].
Significant risks and mixed signals temper strong validation for $2,550. The market exhibited considerable risks, particularly from highly leveraged and potentially unstable derivatives positioning. ETH futures open interest was reported at approximately $34.24 billion after a roughly 10% one-day increase on September 19 [7]. Crowded leverage and event sensitivity were identified as primary near-term risks, with ETH perpetual funding at 8.5% annualized on September 14 [2][10]. On-chain and market-flow evidence presented a mixed picture; July reports indicated assets moving back to exchanges and declining open interest despite an 11.7% ETH rally, while capital flows remained negative at July close [11][9]. Cost-basis quantiles on September 18 clustered around $2,686 and $2,742, indicating potential upside resistance [4]. Furthermore, an estimated $14.4 billion of open interest was concentrated in the September 25 options expiry, but without strike-level options data, this concentration does not independently validate the $2,550 price, implying a wide and fragile distribution [12][13][7]. For settlement, prediction-market contracts rely on CF Benchmarks' Ethereum Real-Time Index (CF ERTI), specifically the simple average of 60 seconds immediately preceding the stated expiration time of September 25, 2026 5:00 p.m. EDT [14][15][16].
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- 16CME CF Ether-Dollar Real Time Indexcfbenchmarks.com
8. How do the settlement indices for ETH markets on Kalshi (CF Benchmarks) and Polymarket (Binance) differ, and what historical price divergences have been observed?
| Kalshi ETH Settlement | CME CF Ether-Dollar Real Time Index (ETHUSD_RTI) [1][2] |
|---|---|
| Polymarket ETH Settlement | Final Close of Binance ETH/USDT 1-minute candle [3] |
| Methodology Difference | Multi-venue averaged benchmark vs. single-exchange single-candle sampling [1][3] |
Kalshi and Polymarket use distinct ETH settlement methodologies. Kalshi's settlement for Ether (ETH) contracts references the CME CF Ether-Dollar Real Time Index (ETHUSD_RTI), a regulated benchmark that aggregates ETH-USD order data from multiple constituent exchanges using a time-window average [1][2]. In contrast, Polymarket's ETH price-range market, such as the one for September 25, 2026, 5:00 p.m. EDT, relies on the final Close of the Binance ETH/USDT 1-minute candle at the specified settlement time, explicitly excluding other exchanges or spot-market prices [3]. This fundamental distinction means Kalshi employs a multi-venue, averaged benchmark approach, while Polymarket uses a single-exchange, single-candle sampling method [1][3].
Kalshi's index aggregates data, while Polymarket's single source risks volatility. The ETHUSD_RTI is calculated every second from 200-millisecond observations, with crypto contracts settling based on a one-minute window of per-second observations at expiry [4][5]. This benchmark aggregation is designed to smooth and diversify venue-specific noise through its consolidated order-book methodology [5][6][7]. Conversely, Polymarket's dependence on a single Binance rule means its settlement price can be influenced by Binance-specific price prints, liquidity conditions, outages, and short-lived market dislocations [5][6][7]. Differences between these two indices can arise from venue-specific order flow, the specific ETH/USD versus ETH/USDT quotation, variations in timing and timezone conversion, and the mechanics of averaging compared to a single close [1][8][3].
Quantifying historical divergence is difficult, but future boundary mismatches are a risk. While no specific historical time series matching the CF Benchmarks ETHUSD_RTI and Binance ETH/USDT observations was found to quantify divergence for the upcoming September 25, 2026, 5:00 p.m. EDT event, the qualitative conclusion is that the two settlement values may differ due to the inherent basis between a multi-venue regulated benchmark and Binance's single-minute candle close [9][1]. Historical data indicates that single-venue settlement divergences can be significant during stressed market conditions, although a direct ETH-to-ETH comparison between Kalshi and Polymarket is not available [6][7]. For the upcoming September 25, 2026, 5:00 p.m. EDT ETH range market, the primary resolution risk is a boundary mismatch, where the settlement values from Kalshi and Polymarket could fall on opposite sides of a bracket boundary, leading to different range resolutions on each platform [1][4].
Sources (9)
- 1CME CF Ether-Dollar Real Time Index - CF Benchmarkscfbenchmarks.com
- 2Payouts from prediction markets - Coinbase Helphelp.coinbase.com
- 3https://polymarket.com/event/ethereum-price-on-september-25polymarket.com
- 4Kalshi Leads Surging Crypto Event Contract Market, Powered by CF...cfbenchmarks.com
- 5CME CF Cryptocurrencydocs.cfbenchmarks.com
- 6Prediction Markets Face a Pricing Infrastructure Problem - Kaikokaiko.com
- 7Prediction Markets Face a Pricing Infrastructure Problem - Kaikokaiko.com
- 821Shares - SEC.govsec.gov
- 9[PDF] Does a Time-Weighted Average Price Deter Settlement... - SSRNpapers.ssrn.com
9. What historical datasets are available to model the price impact of past Ethereum network upgrades, such as The Merge or Dencun, on short-term price volatility?
| The Merge Date | September 15, 2022 [1] |
|---|---|
| Dencun Activation Date | March 13, 2024 [2][3] |
| Recommended Volatility Data | Exchange-level intraday OHLCV (Binance 5-minute or ETH hourly) [4][5][6][7] |
Exchange-level intraday data is crucial for modeling upgrade price impact. To accurately model the short-term price volatility impact of past Ethereum network upgrades, such as The Merge and Dencun, exchange-level intraday OHLCV (Open, High, Low, Close, Volume) data is most useful [4][5][6][7]. Examples include Binance 5-minute crypto prices or ETH hourly OHLCV records, which are essential for constructing hourly returns, realized volatility, range volatility, and volume shocks around upgrade windows [4][5][6][7]. Granular market microstructure, options implied volatility, and on-chain network activity data also play a vital role. These detailed historical OHLCV, order-book events, realized volatility, and implied volatility data can be sourced from providers such as Amberdata, Tardis.dev, Deribit, Coin Metrics, Laevitas, and Glassnode [8][9][10][11][12][13][14][15][16][17][18][19][20][21][22].
Key historical upgrades and non-price factors enhance volatility analysis. For past Ethereum upgrades, key historical treatment dates include The Merge on September 15, 2022, and the Dencun activation on March 13, 2024 [1][2][3]. Beyond price data, useful non-price covariates for analysis include broader crypto-market returns and volatility, Ethereum network activity, gas fees, blob activity, and upgrade-specific protocol metrics. Sources document Binance intraday data, Ethereum’s post-Merge and Dencun methodological changes, daily gas-fee extraction, and Dencun’s effect on Layer-2/blob usage [4][23][3][24]. Reports from Glassnode and Kaiko further provide additional context on price movements and supply changes around these upgrades [25][26][27].
Historical upgrade events inform conditional volatility models for future forecasts. For forecasting future events, such as the September 25, 2026, ETH-range market, historical upgrade events should inform a conditional volatility model [28]. This model would combine current ETH spot and intraday realized volatility with event analogues, BTC/market controls, and time-of-day effects, with a forecast horizon of roughly two days [28][1][6][7]. The CME CF Ether-Dollar Real Time Index (ETHUSD_RTI) serves as a strong resolution benchmark for this market [29]. While the available sources provide the necessary price, microstructure, derivatives, and upgrade-event datasets, they do not offer a ready-made causal estimate or a direct forecast for September 25, 2026 [25][26][30][31].
Sources (31)
- 1Ethereum price today, ETH to USD live price, marketcap and chartcoinmarketcap.com
- 2Danksharding | ethereum.orgethereum.org
- 3Gas Fees on the Ethereum Blockchain: From Foundations to... - arXivarxiv.org
- 4A comparison of cryptocurrency volatility-benchmarking new and...link.springer.com
- 5[PDF] SVM-Based Approach for Predicting Future Ethereum Prices Using...infoteks.org
- 6Ethereum Historical Data - Investing.cominvesting.com
- 7Ethereum USD Price (ETH-USD) - Yahoo Financefinance.yahoo.com
- 8https://docs.amberdata.io/http/market/spot-ohlcvdocs.amberdata.io
- 9Quickstart - Tardis.dev Documentationdocs.tardis.dev
- 10public-get_historical_volatilitydocs.deribit.com
- 11https://docs.coinmetrics.io/market-data/market-data-overview/volatility/market-implied-volatility.mddocs.coinmetrics.io
- 12Order Book Data | Amberdataamberdata.io
- 13https://docs.amberdata.io/http/market/spot-order-book-eventsdocs.amberdata.io
- 14Order Books - Tardis.dev Documentationdocs.tardis.dev
- 15public-get_volatility_index_datadocs.deribit.com
- 16https://gitbook-docs.coinmetrics.io/python-api-client/reference/coinmetricsclient/timeseries/get_market_implied_volatility.mdgitbook-docs.coinmetrics.io
- 17Historical Datadocs.laevitas.ch
- 18Historicaldocs.amberdata.io
- 19https://docs.amberdata.io/http/analytics/derivatives/moneyness-surfaces-floatingdocs.amberdata.io
- 20ETH Implied Volatility Index (DVOL) Chart - Glassnodestudio.glassnode.com
- 21ETH Options Volatility Term Structure All Exchanges - Glassnodestudio.glassnode.com
- 22ETH Options ATM Implied Volatility (All) Deribit - Glassnodestudio.glassnode.com
- 23Ethereum Methodology - Cambridge Centre for Alternative Financeccaf.io
- 24Ethereum: The OG Smart Contract Blockchain - Grayscale Researchresearch.grayscale.com
- 25The Merge: A Feat of Engineeringresearch.glassnode.com
- 26Ethereum's Dencun Upgraderesearch.glassnode.com
- 27ETH Lags Post-Upgrade - Kaikokaiko.com
- 28Ethereum price history Jun 2, 2026 - Statistastatista.com
- 29CME CF Ether-Dollar Real Time Indexcfbenchmarks.com
- 30CMBI Ethereum Benchmark - Indexes - Coin Metricsindexes.coinmetrics.io
- 31CMBI Ethereum - Total Returns - Indexes - Coin Metricsindexes-cp2.coinmetrics.io
10. Which upcoming macroeconomic reports from the U.S. Federal Reserve or BLS in Q3 2026 are most likely to influence ETH's price correlation with traditional markets?
| Major Macro Reports Impacting ETH | None expected before September 25, 2026, 5:00 p.m. EDT [1][2][3][4][5][6][7][8][9] |
|---|---|
| Q3 Fed Catalyst Status | September 15-16 FOMC meeting and related releases already passed as of September 23, 2026 [1][2][3][4][5] |
| Most Impactful Macro Information | Market's ongoing repricing of the September 16 FOMC decision/dot plot, not new scheduled reports [3][6][7] |
Available calendars do not list major U.S. reports influencing ETH's price. Before the prediction market resolves on September 25, 2026, at 5:00 p.m. EDT, available calendars do not list major scheduled macroeconomic reports from the U.S. Federal Reserve or BLS that are likely to influence ETH's price correlation with traditional markets [1][2][3][4][5][6][7][8][9]. As of Wednesday, September 23, 2026, the key Q3 Federal Reserve catalyst, which was the September 15–16 Federal Open Market Committee (FOMC) meeting and its subsequent September 16 policy statement, press conference, and Summary of Economic Projections/dot plot, had already concluded [1][2][3][4][5].
Market repricing of past Fed decisions is the primary influence. For the ETH range market resolving on September 25, the highest-impact macroeconomic information is not an upcoming scheduled Fed or BLS report [3][6][7]. Instead, it is the market's ongoing repricing of the September 16 FOMC decision and dot plot, along with any unscheduled Federal Reserve communication [3][6][7]. Although the Bureau of Labor Statistics (BLS) is scheduled to release "Employee Benefits in the United States" for March 2026 on September 25 at 10:00 a.m. EDT, this particular release is not expected to serve as a high-frequency rates catalyst [6][7][8][9]. The transmission of macroeconomic events to ETH's correlation with traditional markets is mainly facilitated through changes in interest rates, the U.S. dollar, and overall risk appetite [10][11][12].
Sources (12)
- 1Calendar: September 2026 - Federal Reserve Boardfederalreserve.gov
- 2The Fed - Meeting calendars and information - Federal Reservefederalreserve.gov
- 3September 16, 2026: FOMC Projections materials, accessible versionfederalreserve.gov
- 4Press Releases - Federal Reservefederalreserve.gov
- 5The Fed - September 15-16, 2026 FOMC Meeting - Federal Reservefederalreserve.gov
- 6Schedule of Selected Releases 2026bls.gov
- 7Schedule of Selected Releases for September 2026data.bls.gov
- 8Schedule of Selected Releases 2026 - Bureau of Labor Statisticsbls.gov
- 9Schedule of Selected Releases for September 2026blsmon1.bls.gov
- 10Payrolls Put a Hike in Play, Bitcoin Holds the Range - The Bitfinex Blogblog.bitfinex.com
- 11Economic Calendar - FXStreetfxstreet.com
- 12US Adds 162,000 Jobs, Triple Expectations, Putting Bitcoin, ETH...finance.yahoo.com
11. What Could Change the Odds
Key Catalysts
Potential bullish catalysts include strong ETH ETF inflows and institutional accumulation [1][2][3]. Supporting technical events include ETHShanghai on September 22, ETHTokyo-related events from September 23–25, ETHGlobal Tokyo from September 25–27, and the September 28 Glamsterdam Sepolia testnet fork [1][2][3]. The mainnet upgrade is described as a Q4 2026 target rather than a confirmed September mainnet event [1][2][3].
Conversely, macroeconomic conditions present headwinds, with restrictive monetary policy, a possible further Federal Reserve hike, and elevated Treasury yields [1][2][3][4][5]. A Fed Vice Chair Jefferson speech is scheduled for September 22 [2][3]. Crypto-specific risks include token-unlock supply pressure, notably Humanity Protocol on September 25 [1][2][3][6]. Regulatory uncertainty around the CLARITY Act, alongside broader geopolitical headlines, also contributes to volatility [1][2][3][6]. The September 16 FOMC decision was a key event, with the quarter-end September 25 derivatives expiry acting as a volatility and positioning anchor [7][5][8]. Elevated ETH perpetual funding at 8.5% annualized, open interest up 4.0% week over week to $19.398 billion, and a 1.37 long/short ratio suggest conditions vulnerable to a leveraged long unwind [4].
Key Dates & Catalysts
- Strike Date: September 25, 2026
- Expiration: October 02, 2026
- Closes: September 25, 2026
Sources (8)
- 1Crypto Calendar: The September 2026 Events That Could Move the Market<!-- --> — GM Crypto Newsgmcrypto.news
- 2Ethereum Price Forecast — ETH-USD ($2,746) $270M ETF Inflow Lifts ETH Past $2,700 — $2,800 Break Targets $3,000tradingnews.com
- 3Crypto Market Outlook This Week (September 21–27): BTC Reclaims $80K as ETH, SOL, and Altcoin ETF Catalysts Take Focus | Gate Bloggate.com
- 4Crypto Derivatives Briefsnews.laevitas.ch
- 5Market Compass: The Dollar Takes It Backresearch.glassnode.com
- 6Ethereum Price Outlook: $216 Million ETF Day, the $2,550 Trigger, and Why ETH Has the Most Riding on This Week's Fed and CLARITY Votes | MEXC Crypto Pulsemexc.com
- 7The Ceiling Everyone Can Seeresearch.glassnode.com
- 8Doubt at the Boundariesresearch.glassnode.com
13. Historical Resolutions
Historical Resolutions: 20 markets in this series
Outcomes: 0 resolved YES, 20 resolved NO
Recent resolutions:
- KXETH-26SEP2308-T3444.99: NO (Sep 23, 2026)
- KXETH-26SEP2308-T1955: NO (Sep 23, 2026)
- KXETH-26SEP2308-B3442: NO (Sep 23, 2026)
- KXETH-26SEP2308-B3437: NO (Sep 23, 2026)
- KXETH-26SEP2308-B3432: NO (Sep 23, 2026)
