Short Answer

BP's monthly credit card spend in September 2026 is expected to be above 98. This is driven by ongoing promotional offers, strong customer-facing segment performance, and resilient broader U.S. consumer spending, with the market pricing this outcome at 94.0%.

1. Market Behavior & Drivers

The significant price movement in the BP credit card spend market, a 69-point spike on September 13, 2026, appears to be a data artifact or a misinterpretation of market activity. Reporting indicates no corresponding fundamental news from SEC filings or public financial records that would justify such a sharp repricing of expectations for year-over-year spending growth.
This market tracks the year-over-year change in BP's U.S. credit and debit card transaction spend for September 2026, with a value over 100 indicating growth. The contract price jumped from 13% to over 80% around September 13. However, with no clear economic or company-specific catalyst, the move does not seem to reflect a change in trader conviction based on new information. The total volume traded across the contract's life is 2,254 contracts.
  • Market anticipates September spend above 103.5, driven by BP promotional offers.
  • Resilient U.S. consumer spending supports strong year-over-year card spend growth.

Who Wins and Why

Outcome Market Model Why
Above 103.5 89.0% 88.7% BP's promotional offers, strong customer-facing performance, and resilient U.S. consumer spending suggest growth.
Above 98 94.0% 93.8% BP's promotional offers, strong customer-facing performance, and resilient U.S. consumer spending suggest growth.
Above 105.5 78.0% 77.5% BP's promotional offers, strong customer-facing performance, and resilient U.S. consumer spending suggest growth.
Above 107.5 54.0% 53.8% BP's promotional offers, strong customer-facing performance, and resilient U.S. consumer spending suggest growth.
Above 101 92.0% 91.7% BP's promotional offers, strong customer-facing performance, and resilient U.S. consumer spending suggest growth.

Current Context

Prediction markets track BP's monthly U.S. card spend year-over-year. The Carbon Arc BP Monthly Credit Card Spend (September 2026) index monitors the year-over-year change in BP's U.S. credit and debit card transaction spend. An index value of 100 signifies parity with the same month in the prior year; values above 100 indicate growth, and values below 100 suggest a decline [^][^][^]. As of September 14, 2026, prediction markets are trading on whether this index will surpass thresholds such as 98, 101, and 103.5 for September 2026. The market is scheduled to resolve on October 7, 2026 [^][^][^].
BP's third-quarter spend is influenced by a new card promotion. BP launched a limited-time promotional offer for new 'bp rewards Visa' cardholders, providing 50 cents off per gallon of fuel for the first 60 days. This offer applies to accounts opened between May 18 and September 30, 2026, aiming to stimulate card acquisition and fuel spending through the end of the third quarter [^][^][^][^][^]. The company reported strong performance in its 'Customers & products' segment for 2Q 2026, driven by seasonally higher volumes and improved fuel margins compared to 1Q 2026, despite some headwinds from maintenance and third-party events [^][^][^][^]. WEX manages BP's U.S. commercial card portfolio, having become the issuer for the BP commercial fleet card program in 2025 and finalizing its integration onto their platform in early 2026 [^][^].
BP's public filings do not disclose monthly credit card spend. BP's financial reports detail metrics such as capital expenditure, budgeted at $13-13.5 billion for 2026, operating cash flow, and underlying replacement cost profit [^][^][^][^]. The company's SEC filings do not publicly disclose individual consumer or monthly credit card spend figures [^][^][^][^]. BP announced an interim dividend of 8.660 cents per ordinary share, payable on September 18, 2026, with the sterling amount determined on September 8, 2026, based on early September exchange rates [^][^].

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 101

📈 September 13, 2026: 72.0pp spike

Price increased from 20.0% to 92.0%

What happened: The reported 72.0 percentage point spike in the "BP Monthly Credit Card Spend in September" prediction market on September 13, 2026, appears to be a misinterpretation of market probability movements or a generic data artifact [^]. There is no evidence in SEC filings or public financial records to support such a specific spike in BP's credit card spending for that period [^][^][^][^]. While broader macroeconomic news on U.S. gasoline and diesel spending was available, it was reported on September 14, 2026, making it unlikely as a causal factor for a spike on September 13, 2026 [^]. Given that the price movement itself is likely an artifact, social media activity was irrelevant as a driver for this event.

Outcome: Above 105.5

📈 September 11, 2026: 37.0pp spike

Price increased from 31.0% to 68.0%

What happened: While social media activity could not be assessed due to a lack of available information, the primary driver for the 37.0 percentage point spike in the "BP Monthly Credit Card Spend in September" market on September 11, 2026, appears to be the Federal Reserve H.8 release on that same day [^]. This release, which tracks aggregated commercial bank data, likely offered new insights or reinforced expectations regarding overall consumer spending trends [^]. This may have capitalized on the pre-existing understanding that the shift of Labor Day to September 7, 2026, was expected to boost September spending year-over-year [^]. Social media was irrelevant as no related activity was found.

4. Market Data

Contract Snapshot

This market resolves to YES if BP's monthly credit card spend in September is above 107.5, and NO if it is 107.5 or below. Trading for this market begins on October 4, 12:00 am EDT. The provided content does not detail specific resolution sources or other special settlement conditions, beyond a maximum payout date of October 6, 2026.

Available Contracts

Market options and current pricing

Outcome bucket Yes (price) No (price) Last trade probability
Above 98 $0.99 $0.05 94%
Above 101 $0.98 $0.15 92%
Above 103.5 $0.92 $0.15 89%
Above 105.5 $0.79 $0.31 78%
Above 107.5 $0.56 $0.51 54%
Above 109.5 $0.35 $0.70 35%
Above 114 $0.13 $0.93 20%
Above 117 $0.05 $0.97 5%
Above 111.5 $0.22 $0.80 0%

Market Discussion

A prediction market tracks the year-over-year change in BP's monthly credit card spend for September 2026, with market sentiment as of mid-September 2026 indicating a significant probability of growth [^][^][^]. This outlook may be influenced by a temporary promotional offer for new bp rewards Visa cardmembers, providing 50 cents off per gallon for 60 days for accounts opened by September 30, 2026 [^][^]. However, BP's public financial disclosures do not provide specific, real-time monthly consumer credit card spend data [^][^][^][^].

5. Trust Index

Octagon Trust Index Kalshi 75 Good

Largest single print on KXBPCC-26OCT07-T98 carried 52% of its $1,802 tape (window is 98% of 24h flow)

Integrity risk· Large trades

How it adds up
Integrity80% of score81Good
Trade quality20% of score51Caution

Includes the cost to trade: a $10,000 order can't be filled here because the order book is too thin.

Trust score75Good

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 is the expected impact of the 'bp rewards Visa' 50-cent discount promotion on new cardholder acquisition and fuel spending through September 30, 2026?

Promotion Discount50 cents off per gallon [^][^][^][^][^]
Promotion Application DeadlineSeptember 30, 2026 [^][^][^][^][^]
September 2026 Spend OutlookAbove 105.5 (year-over-year index) [^][^][^]
BP is running a limited-time fuel discount promotion for new cardholders. New bp rewards Visa cardholders are eligible for a 50-cent per gallon discount at BP and Amoco stations for the first 60 days after their account is opened. To qualify for this introductory offer, applications must be submitted by September 30, 2026 [^][^][^][^][^]. This promotion is explicitly intended to increase customer loyalty and boost fuel transaction volumes [^][^][^][^][^].
Specific data on the promotion's impact on acquisition or spending is unavailable. Publicly available information does not report the direct impact of this specific promotion on new cardholder acquisition numbers or aggregate September 2026 fuel spending data [^][^][^]. However, a prediction market tracking BP Monthly Credit Card Spend for September 2026, measured as a year-over-year index, showed market participants assigning a significant probability to spend being higher than the previous year, such as above 105.5, as of mid-September 2026 [^][^][^]. Overall, the available information does not provide enough detail to specify the expected direct impact of this campaign on new cardholder acquisition or fuel spending [^][^][^].

7. What high-frequency economic data for September 2026 supports the market consensus for strong year-over-year growth in BP's U.S. card spending?

Market expectation (Sept 2026)Year-over-year growth expected [^][^][^]
Kalshi growth thresholds98, 101, and 105.5 for BP Monthly Credit Card Spend [^][^][^]
BP Credit Card Offer50 cents off per gallon for 60 days [^][^][^]
Market consensus anticipates strong year-over-year growth in BP's U.S. card spending. As of September 14, 2026, participants on Kalshi expect year-over-year growth for BP's U.S. credit card spending in September, with significant anticipation for growth in BP Monthly Credit Card Spend. Probabilities are assigned to values exceeding 100, and specific consensus levels are observed around thresholds such as 98, 101, and 105.5 [^][^][^].
BP's promotional offers and broader consumer trends likely influence expectations. This market consensus is potentially driven by BP's active promotion of a new bp Rewards Visa credit card offer. This offer, available for accounts opened between May 18, 2026, and September 30, 2026, provides 50 cents off per gallon of fuel for the first 60 days [^][^][^]. Furthermore, the continued resilience of general U.S. consumer spending in recent months provides a broader context for the expectation of strong card spending [^][^].
Specific high-frequency September 2026 data directly supporting growth is absent. The provided information, however, does not contain specific high-frequency economic data for September 2026 that directly supports the market consensus for strong year-over-year growth in BP's U.S. card spending.

8. How does BP's Q3 2026 consumer fuel sales and promotional activity compare to that of its primary U.S. competitors, such as Shell and ExxonMobil?

Q3 2026 Sales Data AvailabilityNot available from expert-curated sources (as of Sep 14, 2026) [^][^][^]
BP US Credit/Debit Card VolumeStrong expectation for year-over-year growth in September 2026 [^][^][^]
BP Strategy ResetAnnounced in 2025, reducing oil and gas production cut target [^][^]
Specific Q3 2026 consumer fuel sales data remains unavailable for major players. Detailed consumer fuel sales metrics for BP or comparative data against competitors like Shell and ExxonMobil in Q3 2026 are not available from expert-curated sources [^][^][^]. As of September 14, 2026, Q3 2026 financial and sales results for these major players have not yet been formally released; Q2 2026 results were released in late July and early August 2026 [^][^]. In the broader retail fuel market, major competitors are increasingly deploying significant upfront cash and rebate incentives to secure supply contracts with retail stations, a tactic used to defend market share against independent retailers [^].
Market participants anticipate year-over-year growth in BP's US transaction volume. Despite the lack of detailed Q3 2026 sales figures, market participants, as of September 14, 2026, strongly anticipate year-over-year growth in BP's US credit/debit card transaction volume. Predictions indicate a high probability of the index surpassing 100 on a prediction market for 'BP Monthly Credit Card Spend in September' [^][^][^]. This follows BP's 2025 strategy reset, which included a reduction in its target for cutting oil and gas production. By March 2026, BP was also facing pressure from an activist shareholder group regarding profitability disclosures [^][^].

9. What is the methodology behind the Carbon Arc BP Monthly Credit Card Spend index, and what are its historical data trends for prior September periods?

Index PurposeMeasures year-over-year percentage change in spending at BP stations using aggregated US credit and debit card transactions [^][^][^]
Index NormalizationNormalized to 100, where 100 equals prior year spending, >100 is growth, <100 is decline [^][^][^]
Public RecognitionNo publicly recognized 'BP Monthly Credit Card Spend' index associated with Carbon Arc [^][^][^][^][^]
The Carbon Arc BP Monthly Credit Card Spend index tracks year-over-year changes. This metric is designed to measure the percentage change in consumer spending at BP stations annually, based on an aggregated panel of U.S. credit and debit card transactions [^][^][^]. The index is normalized to 100, where a value of 100 signifies spending equal to the previous year. Values above 100 indicate year-over-year growth, while values below 100 denote a decline in spending [^][^][^]. For prediction markets, the index is intended to resolve based on the initial reported value for the specified month, and subsequent revisions do not alter the final market outcome [^][^][^].
A specific Carbon Arc BP index is not publicly recognized. Despite the described methodology, official financial indices do not list a publicly recognized 'BP Monthly Credit Card Spend' index associated with Carbon Arc, nor does the term 'Carbon Arc' itself appear in these official financial indices [^][^][^][^][^][^][^]. While Carbon Arc does provide "Prisms," which are daily reference indices tracking broader consumer behavior trends, including credit card spend across various sectors for real-time analysis, these are distinct from the specific 'BP Monthly Credit Card Spend' index in question [^][^][^]. Consequently, due to the absence of such an officially recognized index, specific historical data trends for prior September periods are not available.

10. How might the performance of the WEX-managed BP commercial fleet card portfolio in Q3 2026 influence the overall U.S. credit card spend figures?

WEX Revenue Impact from BP Portfolio Conversion0.5 to 1 percentage point increase in WEX revenue over 12 months [^][^][^]
Probability of Spend Index Exceeding 9894% (as of September 14, 2026) [^][^][^]
Predicted Year-over-Year Spend IndexExpected to exceed 98 [^][^][^]
The performance of the WEX-managed BP commercial fleet card portfolio is expected to have a limited direct influence on overall U.S. credit card spend figures. This is primarily because fleet cards are fundamentally distinct from general-purpose consumer credit cards, being specifically designed for specialized business expenses like fuel and maintenance [^][^][^][^]. While these cards contribute to broader commercial payment volumes, their direct effect on general U.S. consumer credit card spend figures remains minimal [^][^][^][^].
WEX anticipates revenue growth, while broader U.S. card spend shows stability. WEX's conversion of this portfolio is projected to add 0.5 to 1 percentage point to WEX revenue over the 12 months following completion, signaling an impact on WEX's financial performance rather than general consumer spending [^][^][^]. In contrast, the "BP Monthly Credit Card Spend in September 2026" prediction market, which tracks a year-over-year index for aggregate U.S. credit and debit card transaction spend, currently indicates a 94% probability that this index will exceed 98, reflecting anticipated growth or stabilization in year-over-year spend [^][^][^].

11. What Could Change the Odds

Key Catalysts

A prediction market on Kalshi tracks BP's U.S. credit and debit card spend year-over-year for September 2026, with resolution on October 7, 2026 [^][^]. This index measures change relative to 100, signifying parity with the prior year [^]. Broader U.S. consumer card spending rose 4.5% year-over-year in August 2026, indicating resilient consumer demand [^]. BP does not publish monthly credit card spend metrics; it reports consolidated financial results quarterly [^][^][^][^][^]. American Express became the co-branded card issuer for the BP Products North America, Inc. commercial fleet card program in July 2025, meaning detailed portfolio-level data for that program is reported by American Express, not BP [^][^].
BP's financial outlook and stock performance remain dominated by volatile oil prices, with Brent crude above $100/barrel, driven by geopolitical tensions in the Middle East and energy supply disruption concerns [^] [^] [^] . Under Pressure Despite Elevated Oil Prices and Supply Disruptions" data-source-lanes="traditional">[^]. Bullish sentiment connects to higher upstream profitability, while global inflation, economic growth concerns, and potential demand destruction from high energy costs present bearish risks [^][^]. Key financial drivers for BP in late 2026 include its ongoing $20 billion divestment program, efforts to reduce net debt, and capital expenditure guidance of $13.5–14.0 billion [^][^][^]. Operational reliability in upstream segments and and the impact of the Middle East conflict on fuel margins are critical watch items [^][^].

Key Dates & Catalysts

  • Expiration: October 14, 2026
  • Closes: October 07, 2026

12. Decision-Flipping Events

  • Trigger: A prediction market on Kalshi tracks BP's U.S.
  • Trigger: Credit and debit card spend year-over-year for September 2026, with resolution on October 7, 2026 [^] [^] .
  • Trigger: This index measures change relative to 100, signifying parity with the prior year [^] .
  • Trigger: Broader U.S.

14. Historical Resolutions

No historical resolution data available for this series.