Fear & Greed Index on Sep 18, 2026?
Short Answer
1. Market Behavior & Drivers
- Extreme Greed holds the highest market probability after a significant spike.
- Fear sentiment is high following a recent sharp drop in the index.
- Upcoming FOMC meeting and rate hike probability drive market uncertainty.
Who Wins and Why
| Outcome | Market | Model | Why |
|---|---|---|---|
| Greed | 27.0% | 18.6% | Indicates positive sentiment driven by market gains. |
| Extreme Fear | 10.0% | 18.6% | Outside deterministic model scope. |
| Fear | 32.0% | 18.6% | Outside deterministic model scope. |
| Neutral | 22.0% | 18.6% | Outside deterministic model scope. |
| Extreme Greed | 72.0% | 18.6% | Outside deterministic model scope. |
Current Context
2. Price Chart
Historical Price (Probability)
3. Significant Price Movements
Notable price changes detected in the chart, along with research into what caused each movement.
Outcome: Fear
📉 September 04, 2026: 45.0pp drop
Price decreased from 77.0% to 32.0%
📈 August 24, 2026: 20.0pp spike
Price increased from 1.0% to 21.0%
Outcome: Extreme Greed
📈 September 03, 2026: 62.0pp spike
Price increased from 10.0% to 72.0%
Outcome: Greed
📉 September 02, 2026: 9.0pp drop
Price decreased from 36.0% to 27.0%
Outcome: Neutral
📈 August 25, 2026: 9.0pp spike
Price increased from 13.0% to 22.0%
4. Market Data
Contract Snapshot
This Kalshi market asks about the state of the Fear & Greed Index on September 18, 2026. A "Yes" resolution for a specific market (e.g., "Fear", "Greed", or "Neutral") occurs if the Fear & Greed Index is categorized as that state on September 18, 2026, at 9:30 AM EDT; otherwise, it resolves to "No". The maximum payout date for contracts is September 25, 2026, and no special settlement conditions are detailed in the provided content.
Available Contracts
Market options and current pricing
| Outcome bucket | Yes (price) | No (price) | Last trade probability |
|---|---|---|---|
| Extreme Greed | $0.13 | $0.91 | 72% |
| Fear | $0.32 | $0.73 | 32% |
| Greed | $0.35 | $0.73 | 27% |
| Neutral | $0.22 | $0.79 | 22% |
| Extreme Fear | $0.14 | $0.91 | 10% |
Market Discussion
As of September 4, 2026, there is no verifiable, realized Fear & Greed Index reading available for September 18, 2026, as that date is in the future [^]. However, prediction markets on platforms like Kalshi are actively trading contracts for this date, reflecting varied outcomes and showing market-implied probabilities for classification as 30% Fear, 30% Greed, and 26% Neutral [^][^][^]. The current market environment is marked by high uncertainty regarding monetary policy, with a hawkish shift in interest rate expectations influenced by the upcoming FOMC meeting scheduled for September 15-16, 2026 [^][^][^].
5. Trader Dashboard
A deterministic, per-market integrity scorecard computed from order-book and price data. Higher is better for Trader Trust, Liquidity, Move Quality and Resolution; higher means more risk for Quote Risk and Avoid Risk.
GreedPrimaryTrader Trust—Liquidity—Move Quality—Resolution—Quote Risk—Avoid Risk—
- Factor
- move_log_odds
- -0.05
trader_dashboard_lean_v1.14 · computed Sep 4, 2026
6. What historical precedent exists for geopolitical shocks, like the U.S.-Iran conflict, pushing the Fear & Greed Index into 'Extreme Fear' territory?
| Extreme Fear Catalysts | Geopolitical shocks, including military conflicts (e.g., U.S.-Iran), triggering broad risk-off movements and uncertainty [^][^][^][^][^] |
|---|---|
| Historical Extreme Fear Events | Tariff threats against China (October 2025), onset of COVID-19 pandemic (March 2020) [^] |
| Recent Escalation Period | Multiple U.S.-Iran / Iran-Gulf episodes (last 6 months up to early September 2026) causing market shifts [^][^][^][^][^][^] |
7. How are the seven underlying components of the CNN Fear & Greed Index trending throughout August and early September 2026?
| Fear & Greed Index (Sept 3, 2026) | 42 (Neutral) [^] |
|---|---|
| Fear & Greed Index (previous week) | 51 [^] |
| Number of index components | 7 (equally weighted) [^][^][^] |
8. How did the CNN Fear & Greed Index compare to the Crypto Fear & Greed Index during previous periods of significant Fed policy uncertainty?
| Direct Index Comparison Feasibility | Not possible due to missing index values for last 6 months [^][^][^][^][^][^] |
|---|---|
| Crypto-Nasdaq 100 Correlation | +0.35 to +0.6 (as of 2025/2026) [^] |
| Key Fed Uncertainty Periods 2026 | March 17–18, April 29, June 16–17, July 28–29 FOMC meetings; July 10 Monetary Policy Report; early-to-mid August [^][^][^][^][^][^] |
9. What historical data is available for the Fear & Greed Index in September of past pre-election years, and does it reveal any seasonal patterns?
| Fear & Greed Index Launch | 2011 [^][^] |
|---|---|
| September Market Trend | Historically weakest month [^][^][^] |
| 2026 Election Type | U.S. midterm election year [^] |
10. What specific inflation and labor market data in early September 2026 could influence the Federal Reserve's rate decision at the September 15-16 FOMC meeting?
| August Nonfarm Payrolls | 162,000 [^][^][^][^][^][^] |
|---|---|
| August Unemployment Rate | 4.1% [^][^][^][^][^][^] |
| July Headline PCE YoY | +3.7% [^][^][^][^][^][^] |
11. What Could Change the Odds
Key Catalysts
Key Dates & Catalysts
- Expiration: September 25, 2026
- Closes: September 25, 2026
12. Decision-Flipping Events
- Trigger: The primary market catalyst for September 2026 is the Federal Reserve's FOMC meeting scheduled for September 16, 2026 [^] .
- Trigger: Market data indicates a significant probability of a rate hike in response to inflation concerns and geopolitical tensions [^] [^] .
- Trigger: Inflation data, specifically CPI and PPI following the August payroll report, are the primary deciding variables for interest rate expectations [^] .
- Trigger: As of early September 2026, CME FedWatch data indicated a 64% likelihood that the Federal Reserve would hike interest rates to a range of 3.75% to 4.0% at its September 16, 2026 meeting [^] .
14. Historical Resolutions
Historical Resolutions: 20 markets in this series
Outcomes: 4 resolved YES, 16 resolved NO
Recent resolutions:
- KXFEAR-26AUG28-XGREE: NO (Aug 28, 2026)
- KXFEAR-26AUG28-XFEAR: NO (Aug 28, 2026)
- KXFEAR-26AUG28-NEUT: YES (Aug 28, 2026)
- KXFEAR-26AUG28-GREE: NO (Aug 28, 2026)
- KXFEAR-26AUG28-FEAR: NO (Aug 28, 2026)