
Bitcoin Up or Down - October 27, 2:55AM-3:00AM ET
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Bitcoin Up or Down - October 27, 2:55AM-3:00AM ET

PM $1.96
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AI Analysis
Trader mode: Market mechanics, assumptions and risks
PM $1.96
Reported volume ยท provider units
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Saved contracts
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Same-question pairs
Source snapshot: Oct 26, 2026, 3:00 PM 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 2026-10-26T12:00:06.088Z. 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, 2:55AM-3:00AM ET" and is listed on Polymarket [1]. Its rules say 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 resolves to "Down" [1].
The stated resolution source is the Chainlink BTC/USD TWAP data stream, and the rules say the market reflects "the price according to the TWAP Chainlink data stream," not "any other sources or spot markets" [1]. A contract with a different window, source, or comparison rule would not be measuring the same thing, even if the asset is Bitcoin.
The listed end time is 2026-10-27T07:00:00.000Z [1]. The title refers to Eastern Time, while the listed end time is in UTC, so readers should convert carefully before comparing the two. A listed end time is not a resolution. The evidence does not report how this contract resolved.
Reading the snapshot
The provider observed this market at 2026-10-26T12:00:06.088Z, and the record was retrieved at 2026-10-26T12:44:23.687Z [1]. These are the times for this saved snapshot. They describe the past record, not the market's current state. At observation, the provider reported the status as "active" [1].
The snapshot shows Up at 0.505 and Down at 0.495 [1]. These are snapshot prices, not executable quotes, and they are not verified probabilities. The gap is 0.010 at that observation time. The evidence does not explain the pricing or why it existed.
The sample covers one event with one market, and all saved markets for that event are included. The record marks it as not a partial sample [1]. The sample warning adds that this "does not establish that the providers list every possible real-world outcome" [1]. For a binary Up or Down contract, both listed outcomes are shown.
Volume is not reported in this evidence, so nothing can be said about liquidity or the number of traders.
What remains uncertain
The evidence does not include the TWAP values, the beginning-of-range price, or the final resolution. It also does not include a second platform or a comparable contract, so no cross-platform comparison is possible. Prices from this snapshot cannot tell a reader what a trade would cost now.
References
- Polymarket: Bitcoin Up or Down - October 27, 2:55AM-3:00AM ET. Provider data observed 2026-10-26T12:00:06.088Z.
AI-generated analysis based on market data. Not financial advice.
Saved Oct 26, 2026 UTCOverview
This is a short-window price contract on Polymarket titled "Bitcoin Up or Down - October 27, 2:55AM-3:00AM ET." The contract's rules state that it will resolve to "Up" if the time-weighted average price (TWAP) of Bitcoin, generated by Chainlink, over the time range in the title is greater than or equal to the price at the beginning of that range. Otherwise, it resolves to "Down" [1]. The title sets a five-minute window, from 2:55 AM to 3:00 AM Eastern Time on October 27. The listed end time is 2026-10-27T07:00:00.000Z [1]. That timestamp is the listed end time in the contract rules, not a confirmed resolution, and the contract's status at any later point should be checked against the provider. The resolution depends on a specific data feed rather than on general market prices. The stated resolution source is the BTC/USD TWAP data stream from Chainlink [1]. The rules say the market concerns the price according to that Chainlink stream, not according to other sources or spot markets [1]. A reader comparing this contract with a Bitcoin price on a particular exchange should therefore expect that the two may differ, since the contract measures a time-weighted average from one named feed. The market is listed as a binary contract with two outcomes, "Up" and "Down" [1]. Prices shown for either outcome are provider snapshots taken at a particular time, not executable quotes or verified probabilities. Trading volume also does not measure liquidity or the number of participants.
Why It Matters
The contract measures whether the time-weighted average Bitcoin price over a five-minute window finishes at or above the price at the start of that window, as reported by a specified Chainlink TWAP data stream [1]. Because the outcome is set by an averaged, feed-specific figure, the result can differ from a comparison of raw spot prices at the window's start and end. Anyone reading the contract should rely on its written rules and named data source rather than on general Bitcoin price headlines.
Snapshot context
The latest published provider snapshot for this topic was observed on 2026-10-26 at 12:00 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 decides whether this market resolves Up or Down?
It resolves to "Up" if the Chainlink TWAP of Bitcoin over the stated time range is greater than or equal to the price at the beginning of that range. Otherwise, it resolves to "Down" [1].
Which price source does the contract use?
The stated resolution source is the BTC/USD TWAP data stream from Chainlink. The contract says it is not based on other sources or spot markets [1].
What time window does this contract cover?
The title specifies 2:55 AM to 3:00 AM Eastern Time on October 27, and the listed end time is 2026-10-27T07:00:00.000Z [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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Prices are catalog snapshots and may have changed. Check each market's rules and observation time.

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Price gaps of 2 pp+
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Same-question pairs
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No outcomes on this page have been reviewed as the same question on both platforms yet.
Price differences do not establish arbitrage. Check each pair's review, current order prices, fees and settlement rules.