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Polymarket · on-demand contract read
Will OpenAI have the highest IPO Market Cap 2026?
Contract tools
This reads one exact contract on demand. It does not add it to continuous collection, start a price history or create an independently verified Check. Reads may be reused for up to 30 seconds; the recorded times stay unchanged.
YES order book
Observed midpoint
Book identity & receipt
- Best YES bid / ask
- 0.2% / 0.3%
- Provider timestamp (raw)
- 1793405771578
- YES token
105566978263195737306060355025251866920786572554094317700063379261082055492438- Book digest
ad708fd60bd88359c6c7db370aea1d27fe3294135667ba98dcea6dec0ea906b6
Midpoint is calculated only from a valid two-sided YES book. It is not an executable quote, a forecast, or evidence of settlement.
No source review for this market
The captured venue conditions below define this read. Start with these checks before drawing your own conclusion.
- Confirm the complete contract conditions on the venue; only its description is retained here.
- Read a current timestamped observation before comparing your estimate with the market.
- Add evidence for your own assessment. This venue context is not an independent source review.
One-time source collection
Inspect the evidence behind the contract
Collect exact source passages and export them with this contract’s identity. No sign-in required.
Recognized complete terms receive a rule-based reading, including supported Fed, GDP, Core PCE/Core CPI monthly and Bitcoin threshold contracts. Election pair readings are available in Compare. Standard collection reads the named Federal Reserve calendar, BEA GDP overview or the fixed PCE overview for recognized Core PCE terms. The PCE overview is context; the exact monthly figure still needs its release. The optional scope adds the exact official Fed decision, GDP release or selected PCE/CPI monthly release when available. Core CPI collection retains terms only until you explicitly request BLS release evidence. A candle query plan does not fetch candles. Other contracts retain their venue text and explain what is missing.
Price for your size
Read YES and NO depth, then estimate buying or selling a number of shares.
Venue-provided conditions
What defines this contract
Description & declared source
This market will resolve to the company that achieves the highest market capitalization in U.S. dollars based on the official closing price on its first trading day in 2026. This market will resolve to a company that completes an Initial Public Offering (IPO) between January 1 and December 31, 2026, 11:59 PM ET. Market capitalization is defined as the total number of outstanding shares multiplied by the closing share price on the first trading day. If two or more companies have exactly equal highest closing market capitalizations, this market will resolve to the company whose listed name comes first alphabetically. Resolution will be based on the primary exchange’s official listing page. In the event that the relevant figure is not displayed, another reliable source will be used. In case the respective company's primary exchange’s official listing page does not report in U.S. dollars, it will be converted to U.S. dollars using the U.S. Federal Reserve Board’s H.10 foreign exchange reference rate for the relevant currency pair on the company’s first trading day (https://www.federalreserve.gov/releases/h10/). If no such rate is available for the relevant trading day, the most recent previously published rate will be used. If the relevant currency is not listed, another credible exchange rate source will be used. A listed company may resolve to "No" as soon as it becomes unable to complete an IPO, including due to acquisition, merger, or absorption by an entity that is already publicly traded. In the event of an interruption in the course of the normal trading session on the respective companies’ first day of trading (e.g., a circuit breaker or half-day), the market will resolve according to the official closing price of the abbreviated session. If no such official closing price is published, the market will resolve according to the next trading day on which an official closing price is published, treating that as the first day of trading for purposes of this market.
- Separate resolution rules
- No usable separate rules supplied
- Declared resolution source
- https://www.federalreserve.gov/releases/h10/
- Scheduled end
- 2026-12-31 00:00:00 UTC
- Outcomes
- Yes / No
- Venue metadata updated
- 2026-10-31 00:16:14.833468 UTC
The text and source come from the venue. A separate reviewed Check applies only to its explicitly retained claims and context. Scheduled end, closed and inactive flags do not establish final settlement.
Retained conditions history, when available, comes from accepted HowSure catalog observations. This on-demand read is not added to that history.
Conditions history
Versions observed in accepted catalog snapshots. These times do not establish when the venue changed its rules. Earlier history and changes between observations are unknown.
Exact contract & metadata receipt
- Canonical market ID
polymarket:condition-sha256:de00de34b2bc9acb3d823c1c19c0057fead1c699de71eb531598ae050377c414- Condition ID
0xf6210b4f655793c713cdf81f94d072aee409c232b23162501077e603694c6762- Metadata read at
- 2026-10-31 00:16:45.944 UTC
- Metadata digest
dcc0fbf1e77fddf4e0e35e1b59b7629989a6208b78390d85ec08e5106cca8d93
The digest identifies returned content, not its accuracy. Export this read to retain it; opening this route later may return a newer observation.