Bitcoin Up or Down - October 19, 9:00PM-9:15PM ET
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Bitcoin Up or Down - October 19, 9:00PM-9:15PM 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 2026-10-19T03:00:06.086Z. This analysis describes that snapshot and is not a live news update.
What the contract measures
This contract concerns the Bitcoin price window stated in its title, 9:00PM to 9:15PM ET on October 19. The rules say the 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"." [1]
The resolution source is the Chainlink BTC/USD TWAP data stream, and the rules state 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 comparison with another exchange's Bitcoin price, or with a contract on a different platform, may therefore measure a different thing even when the titles look similar. The listed end time is 2026-10-20T01:15:00.000Z [1].
Reading the snapshot
The saved provider observation is dated 2026-10-19T03:00:06.086Z, and the source was retrieved at 2026-10-19T04:22:53.132Z [1]. These times describe a past snapshot. They do not show the market's price at the time of reading, and they should not be treated as a live quote.
In that snapshot, the Up outcome was priced at 0.505 and the Down outcome at 0.495 [1]. These are snapshot prices, not executable quotes, and they are not verified probabilities. The saved data includes no volume or liquidity figures, so nothing can be said about how deep the market was or how many participants were involved.
The sample covers one market in one saved event. The coverage record shows one total market, one included, and no partial sample [1]. The sample warning states that inclusion "does not establish that the providers list every possible real-world outcome" [1]. Since this is a binary Up or Down contract, the two prices are the outcomes reported in the snapshot. Comparing them with prices from other events or platforms would not be meaningful.
What remains uncertain
The evidence does not explain why the prices were where they were, and it contains no news or context about Bitcoin during that window. It also does not show what the price was at the start of the window or how the TWAP will compare to it. The provider status was recorded as active at retrieval [1], but the evidence does not show the market's status after that time.
Because the contract resolves against the Chainlink TWAP, a reader should check the resolution rules directly rather than relying on this snapshot. The outcome is not known from the supplied evidence.
References
- Polymarket: Bitcoin Up or Down - October 19, 9:00PM-9:15PM ET. Provider data observed 2026-10-19T03:00:06.086Z.
AI-generated analysis based on market data. Not financial advice.
Saved Oct 19, 2026 UTCOverview
This is a short-term Bitcoin price contract titled "Bitcoin Up or Down - October 19, 9:00PM-9:15PM ET." It is listed in the crypto category and is hosted on Polymarket [1]. The contract covers one 15-minute window. According to its rules, it resolves to "Up" if the time-weighted average price (TWAP) of Bitcoin over that window is greater than or equal to the price at the beginning of the window. Otherwise, it resolves to "Down" [1]. The price used for resolution is not the spot price from exchanges or other markets. The rules specify the BTC/USD TWAP data stream from Chainlink, and state that the market is about the price according to that stream and not any other source or spot market [1]. This distinction matters because a short-term market can move differently depending on which data feed defines the outcome. The listed end time is 2026-10-20T01:15:00.000Z, which is the point at which the contract closes under its listed terms [1]. The evidence supplied for this article describes the contract's rules and listed timing. It does not show how the window actually traded or what the final resolution was. The provider status at retrieval was active [1], which means the contract was still open at that point and had not resolved.
Why It Matters
The contract measures whether Bitcoin's TWAP over the listed 15-minute window is at or above the price at the start of that window [1]. Because the outcome depends on an average over the window rather than a single moment, the result reflects the average price during the period compared with the starting price. The rules limit the measurement to the Chainlink BTC/USD TWAP data stream [1], so readers should interpret the contract as a claim about that specific feed. Its value to a reader comes from understanding the exact resolution definition before relying on any price shown for it.
Snapshot context
The latest published provider snapshot for this topic was observed on 2026-10-19 at 03:00 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" outcome require?
An "Up" outcome requires the Chainlink BTC/USD TWAP over the time range in the title to be greater than or equal to the price at the beginning of that range [1].
Which price source decides the result?
The resolution source is the Chainlink BTC/USD TWAP data stream. The rules state that the market is not based on other sources or spot markets [1].
When does this contract end?
The listed end time is 2026-10-20T01:15:00.000Z [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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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.