Bitcoin Up or Down - October 20, 4:25AM-4:30AM ET
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Bitcoin Up or Down - October 20, 4:25AM-4:30AM 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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Saved contracts
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Reviewed equivalent pairs
Source snapshot: Oct 19, 2026, 12:00 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 2026-10-19T09:00:05.974Z. This analysis describes that snapshot and is not a live news update.
What the contract measures
This Polymarket contract covers a short Bitcoin window from 4:25AM to 4:30AM ET on October 20. 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" [1]. Otherwise, it resolves to "Down" [1].
The resolution source is the BTC/USD TWAP data stream, and the rules state that the market concerns "the price according to the TWAP Chainlink data stream," not other sources or spot markets [1]. A reader comparing this with a contract on another platform should check which index, asset pair, and time window each one uses. Similar titles can describe different measurements.
The listed end time is 2026-10-20T08:30:00.000Z [1]. This is a contract rule, not evidence of when settlement will occur or of any announced event.
Reading the snapshot
The saved data was observed at 2026-10-19T09:00:05.974Z and retrieved at 2026-10-19T09:51:11.315Z [1]. These are different times. The prices describe the observation time and may not reflect conditions when you read this.
The snapshot lists Up at 0.505 and Down at 0.495 [1]. These are snapshot prices, not executable quotes or verified probabilities. Because they sum to 1.000 in this record, the two outcomes are complementary. At the observation time, Up was priced slightly above Down. This evidence contains no volume or liquidity figures, so it says nothing about market depth or the number of participants.
Coverage is limited. One market was saved for this event, with total and included counts both at one and partialSample set to false [1]. The provider notes that the sample includes all saved markets for this event but does not establish that every possible real-world outcome is listed [1]. No contracts from other platforms appear in this evidence, so no cross-platform comparison is supported.
What remains uncertain
The evidence does not explain why prices were at these levels. It contains no news, trader counts, or information about movements after the observation time. The provider status was recorded as active at retrieval [1], but this evidence cannot show whether that status has changed since. Because the sample covers one contract at one time, it cannot show trends. The outcome will depend on Chainlink TWAP data for the stated window, and that data is not included in this evidence.
References
- Polymarket: Bitcoin Up or Down - October 20, 4:25AM-4:30AM ET. Provider data observed 2026-10-19T09:00:05.974Z.
AI-generated analysis based on market data. Not financial advice.
Saved Oct 19, 2026 UTCOverview
This PredictPedia entry covers a short-interval Bitcoin contract listed on Polymarket under the title "Bitcoin Up or Down - October 20, 4:25AM-4:30AM ET" [1]. It belongs to the crypto category and asks whether Bitcoin's price moves up or down over a five-minute window on the morning of October 20 Eastern Time [1]. The contract's resolution rule is based on a time-weighted average price rather than a single price at one moment. According to the source, the market resolves to "Up" if the time-weighted average price (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]. Because the comparison is between an average over the window and the starting price, the outcome depends on the path of prices during the interval, not only on where the price ends. The provider names Chainlink as the resolution source and specifies its BTC/USD TWAP data stream [1]. The source states that the market concerns the price according to that Chainlink data stream for the BTC/USD pair, and not according to any other sources or spot markets [1]. A reader comparing this contract with a price shown on an exchange or another data site should therefore keep in mind that those figures may not be the ones used to settle this market. The listed end time is 2026-10-20T08:30:00Z, which is the close of the stated window [1]. A listed end time is the scheduled closing point for the contract. It is not the same as the moment the outcome is settled or published, and the provider's rules describe the resolution method rather than a separate announced event.
Why It Matters
The contract measures the direction of Bitcoin's price over a defined five-minute interval, as expressed through a Chainlink TWAP reading [1]. Its value to a reader lies mainly in understanding the exact rule: the outcome compares the average price across the window with the price at the window's start, using one named data stream [1]. Someone interpreting market prices for this contract needs to know that the rule, not general market commentary, determines the result [1]. The contract also excludes other sources and spot markets by its own terms [1], so it measures the Chainlink reference specifically.
Snapshot context
The latest published provider snapshot for this topic was observed on 2026-10-19 at 09:00 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 determines whether this market resolves Up or Down?
The market resolves Up if the time-weighted average price of Bitcoin over the stated time range is greater than or equal to the price at the beginning of that range. Otherwise, it resolves Down [1].
Which price source is used for resolution?
The resolution source is information from Chainlink, specifically the BTC/USD TWAP data stream. The provider states that other sources and spot markets are not used for this market [1].
What time window does the contract cover?
The title specifies October 20, 4:25AM to 4:30AM ET, and the listed end time in the provider data is 2026-10-20T08:30:00Z [1].
Does the listed end time mean the outcome is already known?
No. The listed end time marks when the contract's stated window closes. The provider's rules describe how the outcome is determined from the Chainlink TWAP data, and the provider data does not state a separate settlement time [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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Reviewed equivalent pairs
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No currently reviewed equivalent pairs with both binary Yes prices are available.
Price differences do not establish arbitrage. Check each pair's review, current order prices, fees and settlement rules.