Bitcoin Up or Down - October 27, 11:30AM-11:45AM ET
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Bitcoin Up or Down - October 27, 11:30AM-11:45AM ET
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AI Analysis
Trader mode: Market mechanics, assumptions and risks
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Reported volume · provider units
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Source snapshot: Oct 27, 2026, 9:00 AM UTC
About This Event
This market will resolve to "Up" if the time-weighted average price (TWAP) of Bitcoin, generated by Chainlink, of the time range specified in the title is greater than or equal to the price at the beginning of that range. Otherwise, it will resolve to "Down". The resolution source for this market is information from Chainlink, specifically the BTC/USD TWAP data stream available at https://data.chain.link/streams/btc-usd-twap-60s-streams. Please note that this market is about the price according to the TWAP Chainlink data stream for the asset pair BTC/USD, not according to any other sources or spot markets.
Snapshot observed 2026-10-26T21:00:06.062Z. This analysis describes that snapshot and is not a live news update.
What the contract measures
The market is titled "Bitcoin Up or Down - October 27, 11:30AM-11:45AM ET" and is listed under the Crypto category on Polymarket [1]. According to the source, it "will resolve to "Up" if the time-weighted average price (TWAP) of Bitcoin, generated by Chainlink, of the time range specified in the title is greater than or equal to the price at the beginning of that range. Otherwise, it will resolve to "Down"" [1].
The resolution source is the Chainlink BTC/USD TWAP data stream, and the source states that the market concerns "the price according to the TWAP Chainlink data stream for the asset pair BTC/USD, not according to any other sources or spot markets" [1]. A reader comparing this contract with a Bitcoin price shown on another venue should note that the wording ties resolution to this specific data stream.
The listed end time is 2026-10-27T15:45:00.000Z [1]. This is the contract's listed close time, not a resolution result. The supplied evidence does not show a resolution outcome.
Reading the snapshot
The saved provider observation is timestamped 2026-10-26T21:00:06.062Z, and the source was retrieved at 2026-10-26T22:02:24.777Z [1]. These figures describe when the data was recorded, so they should not be read as live prices.
The saved prices are Up at 0.505 and Down at 0.495 [1]. Because these are snapshot values, they are not executable quotes or verified probabilities. The contract is binary, and the two prices sum to 1.000 in this snapshot. The evidence does not include volume, order book depth, or trader counts, so it cannot show how liquid the market is.
The sample covers one market from one provider event. Coverage shows one total market, one included market, and no partial sample [1]. The source also notes that the saved markets "does not establish that the providers list every possible real-world outcome" [1]. In this case, the only outcomes are Up and Down.
What remains uncertain
The evidence does not explain why the prices are where they are, and this analysis does not attribute any movement to news or events. It also does not show how the TWAP will compare with the starting price, since the window had not closed at the time of retrieval.
No other platform's contract appears in the supplied evidence, so no comparison across platforms is possible. Any future difference in prices for similarly named contracts should be checked against wording and close times before drawing conclusions.
References
- Polymarket: Bitcoin Up or Down - October 27, 11:30AM-11:45AM ET. Provider data observed 2026-10-26T21:00:06.062Z.
AI-generated analysis based on market data. Not financial advice.
Saved Oct 26, 2026 UTCOverview
This PredictPedia entry covers a short-term Polymarket contract titled "Bitcoin Up or Down - October 27, 11:30AM-11:45AM ET." The contract asks whether Bitcoin's price will rise or fall over a specific 15-minute window. The rules say the market resolves to "Up" if the time-weighted average price (TWAP) of Bitcoin over the window is greater than or equal to the price at the beginning of that window. Otherwise it resolves to "Down" [1]. The resolution source is Chainlink's BTC/USD TWAP data stream, which the rules identify by name and link [1]. The rules state that the contract concerns the price in that Chainlink data stream only, and not any other data source or spot market [1]. A reader should therefore compare the contract outcome with the Chainlink figure named in the rules, not with a price quoted on an exchange or a different index. The contract's listed end time is 2026-10-27T15:45:00Z [1]. That date is taken from the contract's own listed end time and does not indicate that any event has been announced for that time. The provider record shows the market as active when it was observed on 2026-10-26 at 21:00 UTC, and the record was retrieved at 22:02 UTC the same day [1]. Those are the times for that saved snapshot. They do not show the market's status at the time of reading, and the window's actual outcome is not part of the supplied record. The price shown for each side of the contract is a snapshot from the observation time. It is not an executable quote, and it is not a verified probability that Bitcoin will rise. The volume figure for the market measures trading activity, not liquidity or the number of participants.
Why It Matters
The contract measures whether the Chainlink BTC/USD TWAP over the stated 15-minute window is at or above the value at the start of that window [1]. Because it uses an average over the window rather than a single moment, the result depends on the data stream's averaging method and the window's start value as defined by the rules [1]. Anyone reading the contract should use the rules' named data source, since the rules specify that other sources and spot markets are not the reference [1].
Snapshot context
The latest published provider snapshot for this topic was observed on 2026-10-26 at 21:00 UTC. It contains listings from Polymarket. Market descriptions and listed closing times define the contracts; they do not establish that the real-world outcome has occurred. This article does not include a separately verified news update. [1]
Frequently Asked Questions
What price decides whether this contract resolves Up?
The contract resolves Up if the Chainlink BTC/USD TWAP over the stated window is greater than or equal to the price at the beginning of that window. Otherwise it resolves Down [1].
Does the Bitcoin price on an exchange determine the outcome?
No. The rules say the contract concerns only the price in the Chainlink BTC/USD TWAP data stream, not other sources or spot markets [1].
What does the listed end time mean?
The listed end time is 2026-10-27T15:45:00Z [1]. It is the contract's stated closing time and does not by itself confirm the resolved result.
Do the displayed prices show the chance that Bitcoin rises?
The displayed prices are snapshots from the saved provider record and are not executable quotes or verified probabilities [1].
AI-written background. References identify the evidence used; Wikipedia links under Learn More are additional reading. Prices and provider rules are dated snapshots. This is not financial advice.
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Price gaps of 2 pp+
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Same-question pairs
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