Bitcoin Up or Down - October 20, 12:10AM-12:15AM ET
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Bitcoin Up or Down - October 20, 12:10AM-12:15AM 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, 6:00 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 2026-10-19T06:00:06.076Z. This analysis describes that snapshot and is not a live news update.
What the contract measures
This is a single Polymarket contract titled "Bitcoin Up or Down - October 20, 12:10AM-12:15AM ET" [1]. The 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" [1]. Otherwise it resolves to "Down" [1].
The resolution source is Chainlink's BTC/USD TWAP data stream, and the source states that the 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" [1]. A reader comparing this contract with a spot-price market or a different provider should note that the measured price is the Chainlink TWAP over a five-minute window, not an exchange quote at a single moment.
The listed end time is 2026-10-20T04:15:00.000Z [1]. The title's 12:15AM ET wording matches this window, but the listed end time is the value to use for timing.
Reading the snapshot
The saved prices are Up at 0.505 and Down at 0.495 [1]. These are snapshot values, not executable quotes, and they are not verified probabilities. The market was observed at 2026-10-19T06:00:06Z and retrieved at 2026-10-19T06:57:16Z [1]. These times describe when the data was captured, not the current price. Any reader viewing this after the retrieval time should expect the figures to have changed.
The sample covers one market from one provider event, and it is not a partial sample [1]. Because only one outcome pair is present, there is no other contract in this snapshot to compare against. The Up and Down prices sum to 1.000 in this record, but the snapshot does not show spreads, depth, or trade activity, so it does not indicate how easily a position could be entered or exited.
What remains uncertain
The evidence does not explain why the prices stand where they do, and this explanation does not attempt to supply one. It also does not report how many traders hold each side, any recent news, or how similar short-window contracts have performed historically.
The source notes that the provider's listing "does not establish" that every possible real-world outcome is covered, but this contract is a binary Up or Down pair, so that caveat has limited bearing here [1]. The final result will depend on the Chainlink TWAP after the window closes, which is not included in this snapshot.
References
- Polymarket: Bitcoin Up or Down - October 20, 12:10AM-12:15AM ET. Provider data observed 2026-10-19T06:00:06.076Z.
AI-generated analysis based on market data. Not financial advice.
Saved Oct 19, 2026 UTCOverview
This is a short-window binary contract on the price of Bitcoin, listed on Polymarket under the title "Bitcoin Up or Down - October 20, 12:10AM-12:15AM ET" [1]. The contract resolves to "Up" if the time-weighted average price (TWAP) of Bitcoin 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 outcome therefore depends on how the average price during the window compares with the starting price, not on where the price ends the window. The resolution source is specified as information from Chainlink, specifically the BTC/USD TWAP data stream [1]. The rules state 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 Bitcoin price shown on an exchange or a general price site should expect that the two can differ, because the contract is defined by a specific averaged feed. The listed end time is 2026-10-20T04:15:00.000Z [1]. That date and time appear in the contract's listing data as the scheduled end of the market. They are not a report of an event that has already occurred, and the saved record does not describe the market's resolution.
Why It Matters
The contract measures whether the time-weighted average price of BTC/USD, as reported in a specified Chainlink data stream, over the stated window is greater than or equal to the price at the start of that window [1]. Because it uses an average over the interval rather than a single moment, a brief spike or drop near the end of the window affects the result less directly than it would in a contract tied to a closing price. The rules also limit the measure to the Chainlink feed, so other exchanges or spot markets do not determine the outcome [1]. Anyone reading the contract's market price should keep in mind that a price on a prediction market is a snapshot of trading activity and not a verified probability or an executable quote.
Snapshot context
The latest published provider snapshot for this topic was observed on 2026-10-19 at 06:00 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 does an "Up" resolution mean for this contract?
The contract resolves to "Up" if the TWAP of Bitcoin over the time range in the title is greater than or equal to the price at the beginning of that range [1].
What does a "Down" resolution mean?
The contract resolves to "Down" when the TWAP over the specified range is below the price at the beginning of that range [1].
Which price data determines the outcome?
The resolution source is the BTC/USD TWAP data stream from Chainlink. The rules say the market is about that Chainlink price and not about any other sources or spot markets [1].
When does this market end?
The listed end time is 2026-10-20T04:15:00.000Z [1]. This is the scheduled end time in the listing data and does not indicate how the market resolved.
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.