Bitcoin Up or Down - October 20, 2:10AM-2:15AM ET
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Bitcoin Up or Down - October 20, 2:10AM-2:15AM 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, 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 2026-10-19T09:00:05.974Z. This analysis describes that snapshot and is not a live news update.
What the contract measures
This market is titled "Bitcoin Up or Down - October 20, 2:10AM-2:15AM ET" [1]. The rule states that 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 resolution source is Chainlink's BTC/USD TWAP data stream, and the source says 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 different provider, a spot exchange price, or a non-TWAP measure could settle differently, even for a similar headline.
The listed end time is 2026-10-20T06:15:00.000Z [1]. This is the listed close of the contract, not a stated resolution or announcement time.
Reading the snapshot
The provider observed this market at 2026-10-19T09:00:05.974Z, and the record was retrieved at 2026-10-19T09:13:02.342Z [1]. The prices below describe that saved observation only and may have changed since.
At observation, the saved prices were 0.505 for "Up" and 0.495 for "Down" [1]. These are snapshot prices, not executable quotes, so they do not show what a trade would cost or fill at. They are also not verified probabilities. The two outcomes sum to 1.00 in this record, and the prices are close to each other. The excerpt includes no volume or trader data, so it says nothing about liquidity or how many participants hold either side.
The coverage record lists one market in one saved event, with no partial sample, and states that all saved markets for this event are included [1]. Because this is a single binary contract, no outcome is missing from the field.
What remains uncertain
The evidence does not explain why the prices are where they are. It does not report the Bitcoin price at the start or end of the window, and it does not include any resolution result. The status at retrieval was "active" [1], so the record does not show a settled outcome.
Anyone comparing this with a similarly titled contract on another platform should first confirm the settlement source, averaging method, and close time, since differences in wording can change what is being priced. A price gap between two different contracts is not, by itself, an arbitrage opportunity.
References
- Polymarket: Bitcoin Up or Down - October 20, 2:10AM-2:15AM 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 is a short-duration crypto market on Polymarket that asks whether Bitcoin will go up or down over a five-minute window. The title specifies the window as October 20, 2:10AM to 2:15AM ET, and the listed end time is 2026-10-20T06:15:00Z [1]. The provider's status for this event is active [1]. The contract resolves to "Up" if the time-weighted average price (TWAP) of Bitcoin over the stated window is greater than or equal to the price at the beginning of that window. Otherwise it resolves to "Down" [1]. The price used is not the spot price on any exchange. The resolution source is the BTC/USD TWAP data stream published by Chainlink, so only that stream's data counts for settlement [1]. The provider states that the market concerns that Chainlink data stream and not other sources or spot markets [1]. The evidence reflects the event as saved at an observation time of 2026-10-19T09:00:05Z and retrieved at 09:13:02Z on the same day [1]. Those times describe when the record was captured. They do not show what the contract is worth now, and they do not mean the window has already taken place. Resolution depends on the TWAP data for the window itself, which is determined after the window ends.
Why It Matters
The contract measures the direction of a short-term move in the Chainlink BTC/USD TWAP stream over a specific five-minute window. Because the comparison is between the average price across the window and the price at its start, the contract is about the average over the period rather than the closing value at one instant [1]. Traders who read the contract should check that the TWAP data stream named in the rules is the one they are tracking, since the provider says other sources do not decide the outcome [1]. The prices displayed for each outcome are snapshots taken from the provider's saved market data, not executable quotes or verified probabilities. A snapshot shows one moment and may not match what a buyer or seller could trade at later.
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?
It resolves Up if the time-weighted average price of Bitcoin over the stated window is greater than or equal to the price at the start of that window. Otherwise it resolves Down [1].
Which price source is used for resolution?
The resolution source is the BTC/USD TWAP data stream from Chainlink. The provider says other sources and spot markets are not used for this market [1].
When does this market end?
The provider lists the end time as 2026-10-20T06:15:00Z [1]. This is the contract's listed end time, not a separate announced event.
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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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.