Ethereum Up or Down - October 26, 11:30AM-11:35AM ET
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Ethereum Up or Down - October 26, 11:30AM-11:35AM 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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Source snapshot: Oct 26, 2026, 12:00 PM UTC
About This Event
This market will resolve to "Up" if the time-weighted average price (TWAP) of Ethereum, 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 ETH/USD TWAP data stream available at https://data.chain.link/streams/eth-usd-twap-60s-streams. Please note that this market is about the price according to the TWAP Chainlink data stream for the asset pair ETH/USD, not according to any other sources or spot markets.
Snapshot observed 2026-10-25T18:00:06.091Z. This analysis describes that snapshot and is not a live news update.
What the contract measures
This is a single Polymarket event, "Ethereum Up or Down - October 26, 11:30AM-11:35AM ET," in the Crypto category [1]. The contract resolves to "Up" if the time-weighted average price (TWAP) of Ethereum, 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 resolution source is the ETH/USD TWAP data stream from Chainlink. The rules state that the market concerns "the price according to the TWAP Chainlink data stream for the asset pair ETH/USD, not according to any other sources or spot markets" [1]. A reader comparing this contract with a different ETH price market should check whether that market uses the same data stream, the same averaging method, and the same time window.
The listed end time is 2026-10-26T15:35:00.000Z [1]. This is the close recorded by the provider. It is not evidence of how or when the contract will be settled.
Reading the snapshot
The saved prices are Up at 0.505 and Down at 0.495 [1]. These are snapshot values from the provider observation time of 2026-10-25T18:00:06Z, retrieved at 2026-10-25T20:06:46Z. They are not live quotes, executable prices, or verified probabilities. The event status recorded at retrieval was "active" [1], but that describes the saved record, not the state of the market today.
The sample covers one market in one event. The coverage record shows one total market, one included market, and no partial sample [1]. Because this event has only two outcomes, the sample includes the full set of saved outcomes. The source also notes that providers may not list every possible real-world outcome, so this should not be read as a complete field for other questions.
What remains uncertain
The evidence does not explain why the prices stand where they do, and this analysis does not attempt to. It also does not show trading volume, liquidity, or how many participants hold each side. A small gap between Up and Down, such as 0.010, reflects only the saved values. It does not indicate how the contract will resolve.
Other ETH contracts with different windows, data sources, or closing times should not be averaged or compared as if they were the same outcome. A price difference between two contracts is not, by itself, an arbitrage opportunity.
References
- Polymarket: Ethereum Up or Down - October 26, 11:30AM-11:35AM ET. Provider data observed 2026-10-25T18:00:06.091Z.
AI-generated analysis based on market data. Not financial advice.
Saved Oct 25, 2026 UTCOverview
This is a short-duration binary contract on Polymarket, listed under the title "Ethereum Up or Down - October 26, 11:30AM-11:35AM ET" in the Crypto category [1]. The contract asks whether the price of Ether (ETH) will move up or down over a five-minute window. The source states that the market will resolve to "Up" if the time-weighted average price (TWAP) of Ethereum over the time range 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 comparison is therefore between an average price over the window and the starting price, not between the price at the end of the window and the starting price. The source describes the price as a TWAP generated by Chainlink [1]. Because the outcome depends on an average across the window, a price that rises briefly and then falls back may still produce a different result from one that simply ends higher. The source names the resolution source as information from Chainlink, specifically the ETH/USD TWAP data stream, which it identifies by a Chainlink data stream address [1]. It also says the market concerns the price according to that Chainlink stream for the ETH/USD pair, and not according to any other sources or spot markets [1]. Traders reading the contract should therefore focus on the stated data stream rather than on prices quoted elsewhere. The listed end time in the source is 2026-10-26T15:35:00.000Z [1]. This is the end time recorded in the contract rules and provider listing. It is not an announcement of a separate event, and the source does not describe any outcome or result for this window.
Why It Matters
The contract measures whether the ETH/USD price, as reported in a specific Chainlink TWAP data stream, averages at or above its starting level during a five-minute window ending at the listed time [1]. Its design means the result is tied to one named data feed and one defined time range. The source notes that prices from other sources or spot markets are not the basis for resolution [1]. Anyone comparing this contract with other ether markets should check whether those markets use the same data stream and window.
Snapshot context
The latest published provider snapshot for this topic was observed on 2026-10-25 at 18:00 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 the Up outcome require?
The Up outcome requires the Chainlink ETH/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].
What does the Down outcome require?
The source says that if the condition for Up is not met, the market resolves to Down [1]. In other words, Down applies when the TWAP over the window is below the price at the start of the range [1].
Which price feed determines the result?
The resolution source is the ETH/USD TWAP data stream from Chainlink, and the source states that other sources or spot markets are not used [1].
Is the end time a scheduled event?
The source lists an end time of 2026-10-26T15:35:00.000Z as part of the contract listing [1]. It describes the window as ending at that time, but it does not describe any separate scheduled 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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Price gaps of 2 pp+
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Same-question pairs
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Price differences do not establish arbitrage. Check each pair's review, current order prices, fees and settlement rules.