Short Answer

Starbucks credit card spend in September is likely to exceed 99, priced at 71% by the market. This outlook comes despite recent macroeconomic headwinds from falling consumer sentiment and rising inflation expectations, alongside additional Starbucks store closures.

1. Market Behavior & Drivers

The contract pricing a sub-7% year-over-year decline in Starbucks' September credit card spend fell sharply from 56% to 13% toward the end of the month. No specific development or data release in the provided materials coincides with or explains this significant repricing.
The market's bearish turn contradicts the available context, which suggests an expectation of modest year-over-year growth. The current 13% price implies a high likelihood of a spend decline greater than 7% YoY. The information at hand does not support this view, and the driver behind the market's divergence is not apparent.
  • Spend above 99 appears most probable, constrained by September's negative macroeconomic indicators.
  • Starbucks' announced store closures reduce likelihood of year-over-year growth above 100.
  • Achieving spend above 100 is significantly less probable given combined company and macro headwinds.

Who Wins and Why

Outcome Market Model Why
Above 101 13.0% 9.0% Year-over-year growth is challenging due to negative company news and deteriorating September consumer spending.
Above 99 71.0% 65.9% A challenging macro environment and store closures make achieving near year-over-year flat performance difficult.
Above 100 15.0% 10.5% Announced store closures and worsening September macro indicators reduce year-over-year flat card spend.
Above 102 13.0% 8.9% Year-over-year growth is challenging due to negative company news and deteriorating September consumer spending.
Above 97 90.0% 88.0% Despite headwinds from macro data and store closures, this lower spend level remains less impacted.

Current Context

Starbucks September credit card spend likely reflects modest year-over-year growth. As of September 9, 2026, the Kalshi market for Starbucks Credit Card Spend in September 2026 priced Above 93 at 96%–98% [1][2]. The index uses Carbon Arc’s U.S. aggregated credit/debit-card panel, with 100 representing flat year-over-year growth, and settlement is scheduled for October 7, 2026 [1][2]. The most probable outcome for the September 2026 Carbon Arc index is above 93, with a base case around 98–103, indicating roughly flat to modestly positive year-over-year performance [1][2][3][4]. This aligns with a base-case prediction for September/Q4 card-related activity that is roughly flat to modestly positive year over year, supported by management's flat-to-slightly-up Q4 revenue outlook and near-6% full-year sales-growth guidance [5][6][7]. However, confidence for exceeding 100 or higher thresholds is materially lower, constrained by the nearly flat nine-month deferred card/loyalty inflow comparison, Q3 revenue decline, the indirect nature of public evidence, and the fact that Starbucks’ proprietary stored-value ecosystem is not fully captured by external bank-card panels [1][2][3][4][5][6][7]. No direct prediction market data for Starbucks-specific September 2026 credit card spend was retrieved from CBOE, Nasdaq Data Link, IEX Cloud, Federal Reserve, Treasury Fiscal Data, or S&P Dow Jones Indices [5][8][6][9][10][11][7][12][13].
Recent financial results show mixed performance, but guidance points to growth. Starbucks reported Q3 FY2026 results (ended June 28, 2026) with global comparable-store sales up 7.9%, comparable transactions up 4.2%, and average ticket up 3.5% [3][5][4]. Consolidated net revenue was $9.3227 billion, down from $9.4560 billion in Q3 2025, largely due to a China transaction [3][5][4][8][7]. Nine-month revenue for FY2026 increased approximately 4.2% year over year, reaching $28.7693 billion [8][7]. Diluted EPS was $0.91 [5][8][14]. Management raised FY2026 guidance, projecting Q4 U.S. comparable-store sales growth of at least 6.5%, full-year U.S. comp growth slightly above 6%, and global comp growth near 6% [3][5][4]. Consolidated revenue for the full year is expected to be flat to slightly higher year over year, with non-GAAP EPS of $2.55–$2.65 [3][5][4]. The company cautioned that Q4 will face difficult traffic comparisons and a variable consumer environment [4][15]. The fiscal year-end is September 27, 2026, with Q4 results yet to be reported [5][7].
Card data proxies offer mixed signals amid broader consumer trends. Starbucks does not disclose a standalone September 2026 credit-card-spend figure; its disclosed card data combines stored-value cards, reloads, and loyalty program activity, not bank-card purchase volume [6][11]. The deferred revenue from card activations, reloads, and Stars earned for the first nine months of FY2026 was $11.6039 billion, nearly flat compared to $11.6752 billion in the prior year period [6][16]. Management commentary from Q2 FY2026 (ended March 29, 2026) indicated positive engagement with the refreshed rewards program, with both the rate and volume of U.S. card loads growing steadily and exceeding expectations after launch [17][18][19][20][21][22]. Loyalty membership increased and frequency improved following program changes, contrary to some churn expectations [17][18][19][20][21][22]. Q2 also saw broad-based spend growth across all income levels and age demographics, with North America/U.S. comparable sales accelerating to over 7%, driven by more than 4 points of transaction growth [17][18][19][20][21][22]. Regionally, South Korean Starbucks credit/debit-card spending rose 5.5% month over month in August 2026, but remained 15.9% below August 2025 levels; this data is an incomplete sales proxy due to stored-value cards and mobile vouchers [23]. Independent transaction data from Iceflower ranks Starbucks first among tracked U.S. coffee chains by card spend, yet its category-share index is down 2.7% year over year [24]. Earnest Analytics previously noted U.S. Starbucks card reloads down 3.5% year over year in early March 2025, suggesting that card behavior can lag headline comparable-sales improvement [25]. The company recently announced the closure of approximately 250 North American stores [17][18][19][20][21][22].
Sources (25)
  1. 1Starbucks Credit Card Spend in September - Kalshi Odds | CoinRithmcoinrithm.com
  2. 2Will Starbucks Credit Card Spend for September 2026 be above 93? | Paritypredictparity.com
  3. 3Starbucks Coffee Company - Starbucks Reports Q3 Fiscal Year 2026 Resultsinvestor.starbucks.com
  4. 4Starbucks Corp.s203.q4cdn.com
  5. 5Documentsec.gov
  6. 6https://www.sec.gov/Archives/edgar/data/829224/000082922426000130/R34.htmsec.gov
  7. 7sbux-20260628sec.gov
  8. 8https://www.sec.gov/Archives/edgar/data/829224/000082922426000130/R2.htmsec.gov
  9. 9Starbucks Reports Q2 Fiscal Year 2026 Resultssec.gov
  10. 10https://www.sec.gov/Archives/edgar/data/829224/000082922426000130/R8.htmsec.gov
  11. 11R19.htmsec.gov
  12. 12sbux-20260729sec.gov
  13. 13EDGAR Filing Documents for 0000829224-26-000130sec.gov
  14. 14https://www.sec.gov/Archives/edgar/data/829224/000082922426000130/R38.htmsec.gov
  15. 15Starbucks Corporation Earnings Call Transcript - [Q3 FY 2026] | Bullfincherbullfincher.io
  16. 16https://www.sec.gov/Archives/edgar/data/829224/000082922426000080/R36.htmsec.gov
  17. 17SBUX_Q22026, Page: 1Octagon Agentoctagonai.co
  18. 18SBUX_Q22026, Page: 7Octagon Agentoctagonai.co
  19. 19SBUX_Q22026, Page: 8Octagon Agentoctagonai.co
  20. 20SBUX_Q22026, Page: 3Octagon Agentoctagonai.co
  21. 21SBUX_Q22026, Page: 6Octagon Agentoctagonai.co
  22. 22nypost.comOctagon Agent
  23. 23Starbucks Korea Card Spending Rises for Second Month, Narrowing Gap With Twosome Place - Seoul Economic Dailyen.sedaily.com
  24. 24Starbucks Sales Trends & Store Network 2026iceflower.ai
  25. 25Starbucks card reloads slow down in 2025 | Earnest Analyticsearnestanalytics.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: Above 100

📉 September 26, 2026: 52.0pp drop

Price decreased from 61.0% to 9.0%

What happened:

The provided research does not reliably document a 52.0 percentage point drop in the "Starbucks Credit Card Spend in September" market for the "Above 100" outcome on September 26, 2026 [1]. No verified social media catalyst for such a movement was found [1]. While a report on Starbucks closing 250 North American stores was published on September 26, 2026, the source does not establish it caused a 52.0-percentage-point decline in the spend contract [2].

Based on the available information, social media was irrelevant, and no primary driver for the stated price movement can be identified as the event itself lacks verification.

📉 September 23, 2026: 10.0pp drop

Price decreased from 76.0% to 66.0%

What happened: The provided web research does not identify a specific primary driver, particularly social media activity, for the 10.0 percentage point drop in the "Starbucks Credit Card Spend in September" prediction market on September 23, 2026. No social media posts from key figures or viral narratives discussing Starbucks' September credit card spend were found for that date. Furthermore, no official announcement or data release regarding September 2026 credit card spend was reported by Starbucks or aggregated services by September 23, 2026 [3][4][5]. While Starbucks stock slipped 1.08% on that day, it was attributed to market reaction to Q3 results released in July [6][7]. Therefore, social media was irrelevant to this observed market movement.

📈 September 21, 2026: 11.0pp spike

Price increased from 66.0% to 77.0%

What happened: The provided research does not identify a primary driver for the 11.0 percentage point spike in the Starbucks credit card spend prediction market on September 21, 2026 [8]. No specific social media activity from key figures or viral narratives appeared to lead or coincide with the price move [9]. While news of an India tech center and a positive analyst rating were noted as potential catalysts for September 21, the sources do not establish that these events caused the market movement [8]. Therefore, social media was not a primary driver, and the actual cause remains unestablished.

📈 September 19, 2026: 20.0pp spike

Price increased from 48.0% to 68.0%

What happened: The reported 20.0 percentage point spike in the "Starbucks Credit Card Spend in September" market on September 19, 2026, cannot be independently confirmed by available sources [3][4]. However, if such a spike occurred, the primary driver would likely be the intense social media activity and consumer demand surrounding the September 15 launch of Starbucks' limited-edition Peanuts/Snoopy collection [10]. Reports indicate the $39.95 Snoopy glass cold cup quickly sold out, reached resale prices near $200, and generated substantial social media attention and FOMO (Fear Of Missing Out) leading up to and coinciding with the purported market movement [10][11]. This social media-driven consumer craze was a highly contributing accelerant, directly impacting potential credit card spending.

Outcome: Above 102

📉 September 24, 2026: 23.0pp drop

Price decreased from 41.0% to 18.0%

What happened: The primary driver of the 23.0 percentage point drop in the "Starbucks Credit Card Spend in September" market on September 24, 2026, was Starbucks' announcement of approximately 250 additional underperforming North American store closures [12][13][14]. This traditional news release also included a lowered fiscal-2026 net-new-store forecast to 440 from 600–650, signaling a material near-term financial overhang [15]. These announcements likely led market participants to significantly reduce their expectations for Starbucks' year-over-year credit card spend growth, making the "Above 102" outcome less probable. No specific social media activity was found to be linked to this particular credit card spend movement on that date [16][17][18]. Consequently, social media was irrelevant to this price movement.
Sources (18)
  1. 1News — top prediction-market moverspdata.world
  2. 2Starbucks Closes 250 Stores as Niccol's Turnaround Gains Traction | Meykameyka.com
  3. 3Starbucks Credit Card Spend in September - Kalshi Odds | CoinRithmcoinrithm.com
  4. 4Will Starbucks Credit Card Spend for September 2026 be above 93? | Paritypredictparity.com
  5. 5https://www.sec.gov/Archives/edgar/data/829224/000082922426000130/R8.htmsec.gov
  6. 6Starbucks stock slips 1.08 percent as Q3 margins widenad-hoc-news.de
  7. 7Starbucks Reports Q3 Fiscal Year 2026 Resultsinvestor.starbucks.com
  8. 8Starbucks stock gains strategic weight with India tech center and TD Cowen Buy ratingad-hoc-news.de
  9. 9Starbucks is paying baristas to make TikToks. Expect more brands to follow. - Mediastreetmediastreet.ie
  10. 10Starbucks Snoopy Cup 2026: Every Piece, Prices, Where to Buy – Cup To Machinecuptomachineusa.com
  11. 11Are Customers Attacking Starbucks Baristas Over Snoopy Cups?subplotnews.com
  12. 12Starbucks to close another 250 coffeehouses in North America | Reutersreuters.com
  13. 13Starbucks to close 250 underperforming stores | The Seattle Timesseattletimes.com
  14. 14Starbucks to close another 250 stores after CEO axed hundreds of white-collar jobsnypost.com
  15. 15Why we like Starbucks’ latest turnaround move — plus, two more wins for Eli Lillycnbc.com
  16. 16P24 0705dfan14a.htmsec.gov
  17. 17https://www.sec.gov/Archives/edgar/data/829224/000121465926002108/o217264px14a6g.htmsec.gov
  18. 18O218264px14a6g.htmsec.gov

4. Market Data

Contract Snapshot

For the "Above 99" contract on Starbucks Credit Card Spend in September, a "YES" resolution triggers if the total spend for September 2026 is above 99. Conversely, a "NO" resolution triggers if the spend is 99 or below. The market began on October 4th, 12:00am EDT, and the maximum payout date is October 6th, 2026. There are no other special settlement conditions mentioned.

Available Contracts

Market options and current pricing

Outcome bucket Yes (price) No (price) Last trade probability
Above 93 $0.99 $0.09 98%
Above 96 $0.94 $0.09 94%
Above 97 $0.93 $0.10 90%
Above 99 $0.71 $0.30 71%
Above 98 $0.84 $0.18 67%
Above 100 $0.12 $0.91 15%
Above 101 $0.13 $0.88 13%
Above 102 $0.10 $0.92 13%
Above 105 $0.06 $0.97 3%

Market Discussion

As of September 9, 2026, the prediction market indicated a high probability (96%-97.5%) that the September 2026 Carbon Arc index for Starbucks credit card spend would be above 93, though confidence materially decreased for higher growth thresholds, with Above 100 at about 64% and Above 105 around 16.5% [1]. Starbucks' latest reported financial results for fiscal Q3 2026, which ended June 28, 2026, announced a 1.4% year-over-year decrease in consolidated revenue, but U.S. comparable-store sales increased 7.9% [2].

Sources (2)
  1. 1Starbucks Credit Card Spend in September - Kalshi Odds | CoinRithmcoinrithm.com
  2. 2Starbucks Reports Q3 Fiscal Year 2026 Resultsinvestor.starbucks.com

5. Trust Index

Octagon Trust Index Kalshi 77 Good

“Above 98” made a sharp jump with almost no trading behind it.

Integrity risk· Thin-volume moves

How it adds up
Integrity80% of score79Good

Market integrity is low (68), but Integrity averages all three scores, so the other two pull it up. Only a critically low score would cap the total.

Trade quality20% of score70Good
Trust score77Good

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 · 6 don't apply

6. What key macroeconomic indicators for September 2026 are most likely to influence U.S. consumer discretionary spending at Starbucks?

Consumer Sentiment Index47.8 (September) from 51.7 (August) [1]
Year-ahead Inflation Expectations4.6% (September) from 4.0% (August) [1]
Federal-funds Target Range3.75%–4.00% [2]
Key macroeconomic indicators for September 2026 significantly influence U.S. consumer discretionary spending at Starbucks. These include Federal Open Market Committee (FOMC) statements and projections, consumer sentiment indices, and August data releases on employment, prices, and real earnings, which collectively reveal consumers' willingness and ability to spend on services. The University of Michigan's preliminary consumer sentiment index deteriorated sharply in September, falling to 47.8 from 51.7 in August [1], indicating a potential downside signal for discretionary purchases. Additionally, year-ahead inflation expectations rose to 4.6% from 4.0% in September [1].
The FOMC raised interest rates amidst resilient spending and elevated inflation. The Federal Open Market Committee increased the federal-funds target range to 3.75%-4.00% on September 15–16, 2026 [2]. The Committee noted that domestic spending remained resilient despite elevated inflation [2] and projected the 2026 unemployment rate at 4.1% [3].
Critical economic data provides insights into consumer spending channels for Starbucks. Consumer spending accounts for approximately 70% of U.S. GDP, with services spending being particularly significant, making conditions related to real income, employment, and service consumption critical macroeconomic channels for businesses like Starbucks [4][5]. Therefore, August data releases, including the Employment Situation, CPI and real earnings, and JOLTS, are crucial for understanding the economic environment impacting consumer discretionary spending [6].
Sources (6)
  1. 1Surveys of Consumerssca.isr.umich.edu
  2. 2Federal Reserve issues FOMC statementfederalreserve.gov
  3. 3The Fed - September 16, 2026: FOMC Projections...federalreserve.gov
  4. 4Strong US retail sales in November showcase economy's...reuters.com
  5. 5Consumer spending pushes U.S. economy up 4.4% in third...pbs.org
  6. 6Schedule of Selected Releases 2026bls.gov

7. How does Starbucks' formal guidance for Q4 2026 comparable sales growth compare with the consensus analyst estimates from sources like Zacks?

Q4 2026 U.S. Comparable Sales Growth GuidanceApproximately 6.5% (Formal guidance) [1][2][3]
Full-Year U.S. GrowthSlightly above 6% (Company commentary) [1][2][3]
Full-Year Global GrowthNear 6% (Company commentary) [1][2][3]
Starbucks guided Q4 2026 U.S. comparable sales growth around 6.5%. Starbucks provided formal guidance for fiscal Q4 2026 comparable sales growth for U.S. same-store sales, targeting approximately 6.5% [1][2][3]. This projection aligned with third-party reporting, which similarly characterized the Q4 comparable-sales expectation as being near 6.5% [4][1]. Company commentary also indicated full-year U.S. growth was slightly above 6% and global growth was near 6% [1][2][3].
A precise Zacks consensus for comparable sales was unavailable. Despite Starbucks' specific guidance, a precise Q4 comparable-sales consensus percentage from Zacks Advisor Tools was not available from the retrieved sources [5]. The accessible Zacks results primarily focused on aspects such as traffic recovery and earnings, and did not publish a separate comparable-growth estimate [4][1]. Consequently, it was not possible to determine a precise Zacks consensus comparable sales figure based on the available information [4][1].
Sources (5)
  1. 1Starbucks Q3 Earnings Top Estimates, Guidance Raisedinsiderfinance.io
  2. 2Starbucks (SBUX) Investor Relations, Earnings Summary &...quartr.com
  3. 3Starbucks stock pops as efforts to revive 'third place' pay off...finance.yahoo.com
  4. 4SBUX Q3 Earnings Call Highlights Durable Traffic Recoveryzacks.com
  5. 5Zacks Advisor Tools -advisortools.zacks.com

8. How does Starbucks' year-over-year transaction growth in 2026 compare to key competitors like Dunkin' based on available card panel data?

Starbucks 2026 Transaction Growth OutlookWeak-to-flat (prediction market) [1][2]
Starbucks Sept 2026 Index Probability96% chance above 93 [2]
Starbucks vs Dunkin' Sales (Mar 2025-May 2026)Starbucks ahead by roughly $17 million [3]
A direct 2026 transaction growth comparison is currently unavailable. A direct year-over-year transaction growth comparison between Starbucks and Dunkin' for 2026 cannot be made using available card-panel data, as comparable 2026 transaction-growth information for Dunkin' is not published [1]. For Starbucks, the September 2026 prediction market, which aggregates U.S. credit/debit card panel data to measure year-over-year spend relative to September 2025, suggests a weak-to-flat outcome [1][2].
Starbucks' prediction market shows an index likely above 93. As of September 9, market pricing indicated a 96% probability that the Starbucks transaction index would be above 93, with approximately 64% for above 100 and 59% for above 101 [2]. This data is consistent with a result likely above 93 but not clearly above year-ago levels [2]. Other contextual information, such as a QSR ranking reporting Starbucks ahead of Dunkin' in sales by roughly $17 million for March 2025 through May 2026, and Starbucks' official FY2025 release of North America comparable-sales information, does not provide September 2026 card-panel transaction growth data relevant for this specific comparison [3][4][5].
Historical competitor divergence data is insufficient for 2026 projections. While historical competitor evidence shows Starbucks and Dunkin' can diverge materially around seasonal launches, this information is from 2021 or earlier and is not sufficient to establish 2026 year-over-year performance [5][6].
Sources (6)
  1. 1Bean Index — Starbucks global: U.S. versus Chinaselfservice.io
  2. 2Starbucks Credit Card Spend in September - Kalshi Odds | CoinRithmcoinrithm.com
  3. 3The Best-Selling Coffee Chain In 2026 Beat Out Dunkin' By...tastingtable.com
  4. 4Starbucks Coffee Company - Financials - SEC Filingsinvestor.starbucks.com
  5. 5Starbucks Reports Q4 and Full Fiscal Year 2025 Resultsinvestor.starbucks.com
  6. 6Grounds for Concern? Omnichannel Coffee Consumption...numerator.com

9. What are the known limitations of using credit card panels like Carbon Arc to forecast Starbucks' total sales, given its extensive stored-value card ecosystem?

Estimated gift card salesApproximately 15% of store tender (Federal Reserve discussion) [1][2]
FY2025 breakage revenue (company stores)$200.4 million [3][4]
FY2025 breakage revenue (licensed stores)$22.0 million [3][4]
Credit card panels significantly limit Starbucks' total sales forecasting accuracy. These panels, such as Carbon Arc, primarily measure U.S. credit and debit card transaction activity, which fails to encompass all of Starbucks' diverse revenue streams or payment methods [5][6][3][7][8][9][10][11]. A key challenge is Starbucks' extensive stored-value card ecosystem; card loads represent deferred sales revenue until redemption, typically within one year [3][7]. This means a panel observing a payment may not reflect when the consumer funded it. Panels do not directly observe card loads, balances, or redemption timing, as stored-value cards can be activated or reloaded through various channels beyond the scope of a U.S. bank-card panel [3][4]. Historically, gift card sales have been estimated at approximately 15% of store tender, demonstrating how external payment panel spend can materially understate total store purchasing [1][2].
Diverse payment methods and international operations further complicate sales forecasting. Starbucks Rewards members can use cash, credit cards, debit cards, or selected mobile wallets, meaning observed credit/debit spend excludes significant payment substitution [3][7]. Breakage revenue, derived from estimated non-redemption of stored-value cards, is another accounting-driven figure not captured by contemporaneous card transactions in payment panels [3][4]. For example, Starbucks reported fiscal-2025 breakage revenue of $200.4 million in company-operated stores and $22.0 million in licensed stores [3][4]. Additionally, these panels are limited to U.S.-only store card activity, whereas Starbucks' reported business includes international and non-store revenue streams, such as company-operated stores, licensed stores, and channel-development revenue, which are not covered [8][9][10][11]. Consequently, credit card panels are most effective as directional, partial indicators of U.S. consumer demand, requiring careful calibration for unobserved payment types, geographic coverage, and timing differences to be useful [5][6][3].
Sources (11)
  1. 110-Ksec.gov
  2. 2Federal Regulation of the Prepaid Card Industryphiladelphiafed.org
  3. 3R10.htmsec.gov
  4. 4https://www.sec.gov/Archives/edgar/data/829224/000082922425000114/R29.htmsec.gov
  5. 5Starbucks Credit Card Spend in September - Kalshi Odds | CoinRithmcoinrithm.com
  6. 6Will Starbucks Credit Card Spend for September 2026 be above 93? | Paritypredictparity.com
  7. 7https://www.sec.gov/Archives/edgar/data/829224/000082922424000057/R10.htmsec.gov
  8. 8Starbucks Reports Q4 and Full Fiscal Year 2024 Resultsinvestor.starbucks.com
  9. 9Starbucks Reports Q1 Fiscal Year 2025 Resultsinvestor.starbucks.com
  10. 10Starbucks Reports Q1 Fiscal 2024 Resultsinvestor.starbucks.com
  11. 11Documentsec.gov

10. What do alternative transaction datasets from providers like Iceflower and Earnest indicate about Starbucks' spending trends leading into September 2026?

Starbucks Card Reloads YoY (March 2025)Fell 3.5% (four weeks ending March 1, 2025) [1]
Share of Coffee-QSR Spending68.1% (from 70.1% in 2024) [1]
Prediction Market Odds (>93 Index)96%-98% (as of September 2026) [2][3]
Alternative data cautiously indicates Starbucks spending stabilization into September 2026. Publicly discoverable alternative data does not provide a verified print for Starbucks' performance in September 2026, such as an Iceflower or Earnest September 2026 Starbucks print. However, the available information supports a cautious inference of stabilization or modest year-over-year improvement. This trend aligns with prediction market odds strongly favoring Starbucks exceeding an index of 93, though it does not substantiate a precise index value or a robust double-digit rebound [2][3][1][4]. As of September 9–11, 2026, prediction-market pricing showed a 96%–98% implied probability that Starbucks' September spend would exceed an index of 93, with thresholds above 100 being priced materially lower [2][3].
Historical alternative data reveals both past challenges and a positive catalyst. Earnest/Consumer Edge data indicated that U.S. Starbucks card reloads fell 3.5% year over year in the four weeks ending March 1, 2025. Additionally, February 2025 Starbucks sales declined, and the company's share of customers' coffee-QSR spending decreased to 68.1% from 70.1% in 2024 [1]. Despite these difficulties, Consumer Edge transaction data revealed a positive shift following Starbucks' protein-drink launch on September 29, 2025: sales among new Starbucks shoppers aged 18–24 accelerated 2.1 percentage points year over year between the four weeks ending September 27 and October 11, 2025 [4]. Earnest/Consumer Edge data has historically shown directional consistency with Starbucks' reported results, leveraging near-real-time spend from millions of de-identified consumers across over 2,500 national brands [5][6]. Consumer Edge's alternative-transaction products, like Apollo, cover 110 million credit/debit cards [7].
Sources (7)
  1. 1Sluggish Starbucks card reloads challenge turnaround plan in 2025 | Consumer Edgeconsumeredge.com
  2. 2Starbucks Credit Card Spend in September - Kalshi Odds | CoinRithmcoinrithm.com
  3. 3Will Starbucks Credit Card Spend for September 2026 be above 93? | Paritypredictparity.com
  4. 4Starbucks' Protein Launch Lifts New Customer Sales Among Younger Shoppersconsumeredge.com
  5. 5Starbucks 2022 Traffic Trends: QSR Coffee Daypart Data | Consumer Edgeconsumeredge.com
  6. 6July 2023 Earnest Analytics Spend Index | Consumer Edgeconsumeredge.com
  7. 7Apollo | Consumer Edgeconsumeredge.com

11. What Could Change the Odds

Key Catalysts

The Kalshi Starbucks Credit Card Spend in September 2026 contract, which tracks Carbon Arc’s year-over-year U.S. aggregated credit/debit-card spend, indicates strong market confidence in growth. The "Above 93" contract traded at roughly 96% implied probability, with Parity showing "Above 93" around 97.5¢/98% [1][2]. This outlook aligns with Starbucks' Q3 FY2026 results, which reported global comparable-store sales up 7.9% and U.S. comparable sales up 7.9%, generating revenue of $9.323 billion [3][4][5]. Management's raised FY2026 guidance includes Q4 U.S. comparable-store sales growth of at least 6.5%, full-year U.S. comps slightly above 6%, global comps nearing 6%, and non-GAAP EPS of $2.55–$2.65 [3][4][6]. Operational catalysts encompass continued transaction and ticket growth, sales leverage, the Back to Starbucks turnaround, and a $2 billion gross cost-savings program expected through FY2028 [7][6].
Despite the bullish sentiment for moderate growth, prediction market odds decline for higher thresholds; "Above 100" is priced at 64.0¢ and "Above 105" at 16.5¢, suggesting less confidence in substantial double-digit expansion [1][2]. Bearish pressures include weaker consumer spending, traffic deceleration against difficult comparisons, and pressures from labor and restructuring costs [3][6][1]. Unconfirmed external reports cite potential plans to close approximately 250 North American stores, which could lead to roughly $300 million in restructuring charges and around $1 billion in North American café remodel investment [8][9]. Q3 store operating expenses included $2.4578 billion for wages and benefits [10]. A contraction in the stored-value-card and loyalty-program balance was also observed year-over-year in Q3 2026 [11][12]. The September 2026 card-spend data is an immediate catalyst, with the Kalshi contract resolving on October 7, 2026 [1][2]. The fiscal year ended September 27, 2026 [13]. The provisional Q4 FY2026 earnings release, estimated for October 28 or October 29, 2026, will offer further clarity on management's guidance [3][6][14][15].

Key Dates & Catalysts

  • Expiration: October 14, 2026
  • Closes: October 07, 2026
Sources (15)
  1. 1Starbucks Credit Card Spend in September - Kalshi Odds | CoinRithmcoinrithm.com
  2. 2Will Starbucks Credit Card Spend for September 2026 be above 93? | Paritypredictparity.com
  3. 3Starbucks Reports Q3 Fiscal Year 2026 Resultsinvestor.starbucks.com
  4. 4Starbucks Reports Q3 Fiscal Year 2026 Resultssec.gov
  5. 5PowerPoint Presentations203.q4cdn.com
  6. 6Starbucks (SBUX) Q3 2026 Earnings Call Transcript & Audiostockanalysis.com
  7. 7Starbucks Corp.s203.q4cdn.com
  8. 8What Starbucks Store Closures Mean For Shareholders - Simply Wall St Newssimplywall.st
  9. 9Starbucks (SBUX) Weighs Japan Stake Sale And Cafe Remodels, Is It 17% Undervalued? - Simply Wall St Newssimplywall.st
  10. 10https://www.sec.gov/Archives/edgar/data/829224/000082922426000130/R30.htmsec.gov
  11. 11https://www.sec.gov/Archives/edgar/data/829224/000082922426000130/R34.htmsec.gov
  12. 12https://www.sec.gov/Archives/edgar/data/829224/000082922426000130/R17.htmsec.gov
  13. 13https://www.sec.gov/Archives/edgar/data/829224/000082922426000130/R26.htmsec.gov
  14. 14https://www.tipranks.com/stocks/sbux/earnings/q2-2026-reporttipranks.com
  15. 15Starbucks (SBUX) Earnings Date and Reports 2026marketbeat.com

13. Historical Resolutions

Historical Resolutions: 17 markets in this series

Outcomes: 3 resolved YES, 14 resolved NO

Recent resolutions:

  • KXSBUXCC-26SEP07-T95: YES (Sep 05, 2026)
  • KXSBUXCC-26SEP07-T96: YES (Sep 05, 2026)
  • KXSBUXCC-26SEP07-T97: YES (Sep 05, 2026)
  • KXSBUXCC-26SEP07-T98: NO (Sep 05, 2026)
  • KXSBUXCC-26SEP07-T106: NO (Sep 05, 2026)