KalshiCheck availabilityKYC required2% feeVerified resolution dataFairly calibratedData quality warningNo trading activity
Data as of Sep 8, 2026, 7:50 PM UTC · policy pm-quality-3
Current implied probability
Above 281 0%Leader of 9 outcomes
Market quality
24 / 100
Low quality24h Volume
—
Liquidity
—
Liquidity unknownSpread
98.0 pt
Wide spreadMarket data
Updated 9 minutes ago
Aug 26, 26, 8:00 PM UTCOct 7, 26, 2:29 AM UTC
Trends
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Rules
If the Carbon Arc Ro Monthly Credit Card Spend (September 2026) for September 2026 is the named outcome , then the market resolves to Yes.
Settles via:Carbon Arc
- For purposes of this market, determination will resolve on the first value reported by Carbon Arc.
- Corrections or revisions made after the market has been settled will not affect the outcome.
- The index measures year-over-year change, where 100 means Ro Monthly Credit Card Spend was equal to the same month last year.
- Values above 100 indicate growth and values below 100 indicate decline: for example, 103 = 3% more spend than year prior, 97 = 3% decline from year prior.
- The index is measured by Carbon Arc's aggregated U.S. credit and debit card transaction panel, matched to the same period of the prior year.
Open markets
Corporate Actions
POLYMARKETAnthropic IPO by which date?
- December 31,-1.0pt90%
- December 15,-0.5pt86%
- November 30,-1.0pt84%
+7 more outcomes
- Total Vol
- $2.7M
- 24h Vol
- $66.1K
KALSHIBoeing commercial airplane deliveries in 2026
- Above 56095%
- Above 580-1.0pt90%
- Above 60086%
+5 more outcomes
- Total Vol
- $213K
- 24h Vol
- $45.2K
KALSHIWhen will Tesla and SpaceX merge?
- Before 2028+2.0pt67%
- Before May 1, 2027+4.0pt54%
- Before Apr 1, 2027-7.0pt43%
+8 more outcomes
POLYMARKETLargest IPO by market cap in 2026?
- Anthropic+1.6pt60.2%
- SpaceX-4.5pt37.8%
- OpenAI+0.1pt2%
+9 more outcomes
POLYMARKETOpenAI IPO Closing Market Cap
- 1.5T++12.3pt77.7%
- 1.25T–1.5T-4.0pt7.8%
- 1T–1.25T-1.4pt5.8%
+4 more outcomes
KALSHIWhen will Anthropic officially announce an IPO?
- Before Apr 1, 2027+6.0pt98%
- Before Mar 1, 2027+3.0pt98%
- Before Jan 1, 202795%
+9 more outcomes
- Total Vol
- $1.6M
- Anthropic IPO Closing Market Cap
- Tesla and SpaceX merger officially announced by which date?
- Will OpenAI's valuation hit __ by December 31?
- Will Anthropic’s valuation hit __ by December 31?
- Which companies will be acquired before 2027?
- What will OpenAI's IPO valuation be?
- Israel Election: Zionist Home & Yashar Run on Same List?
- Will California authorize an alternative wage or other qualifying relief from goat-herder wage and overtime obligations before Oct 1, 2026?
- Anthropic IPO Closing Market Cap (Middle Brackets)
- Oura IPO Closing Market Cap
Frequently asked questions
- What are the current odds for Ro Monthly Credit Card Spend in September 2026?
- Kalshi prices Above 281 at 0% as of September 8, 2026.
- When does Ro Monthly Credit Card Spend in September 2026 resolve?
- Ro Monthly Credit Card Spend in September 2026 is scheduled to resolve on October 7, 2026.
- How is Ro Monthly Credit Card Spend in September 2026 settled?
- Kalshi settles this market as follows: If the Carbon Arc Ro Monthly Credit Card Spend (September 2026) for September 2026 is the named outcome , then the market resolves to Yes.