Ethereum Up or Down - October 28, 3:15AM-3:20AM ET
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Ethereum Up or Down - October 28, 3:15AM-3:20AM 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 27, 2026, 9:00 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 2026-10-27T18:00:06.010Z. This analysis describes that snapshot and is not a live news update.
What the contract measures
The market is titled "Ethereum Up or Down - October 28, 3:15AM-3:20AM ET" and is listed under the Crypto category on Polymarket [1]. Its rules state that it "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"" [1].
The resolution source is the ETH/USD TWAP data stream named in the rules, and the source specifies 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 Ethereum price market should check whether that contract uses the same data stream, averaging method, and time window. Wording differences of this kind change what the contract measures even when the asset is the same.
The listed end time in the saved record is 2026-10-28T07:20:00.000Z, and the provider status is recorded as active [1]. That end time is the contract's listed close, not a resolution result.
Reading the snapshot
The saved provider observation time is 2026-10-27T18:00:06.010Z, and the source was retrieved at 2026-10-27T18:48:02.494Z [1]. These are two different timestamps: one records when the provider data was observed, and the other records when this record was retrieved. Neither should be read as a live quote at the time you are reading this.
The snapshot shows two outcomes: "Up" at 0.505 and "Down" at 0.495 [1]. These are prices as recorded at the observation time. They are not executable quotes, and they are not verified probabilities. The record does not include order book depth, spreads, or trading volume, so it does not show whether either price could be traded at a given size.
The sample covers one market from one provider event, and the coverage record reports that this market is the only one saved for that event, with no partial sample [1]. Because there is no second platform or second contract in this record, no cross-platform comparison is possible here.
What remains uncertain
The record does not explain why the prices stood where they did at the observation time. It also does not report how many traders took part or what trading activity occurred after the snapshot.
The provider data cannot tell you the outcome of this contract. Resolution depends on the Chainlink TWAP calculation described in the rules, which the evidence does not include. Any later price in the same market would need its own retrieved snapshot before it could be described.
References
- Polymarket: Ethereum Up or Down - October 28, 3:15AM-3:20AM ET. Provider data observed 2026-10-27T18:00:06.010Z.
AI-generated analysis based on market data. Not financial advice.
Saved Oct 27, 2026 UTCOverview
This PredictPedia entry covers a short-term Ethereum price contract listed on Polymarket. The event is titled "Ethereum Up or Down - October 28, 3:15AM-3:20AM ET" and falls in the crypto category [1]. It has two outcomes, "Up" and "Down" [1]. The contract is about the direction of price over a defined window, not the price at a single moment. According to the listing, the market 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 listing names the resolution source as Chainlink's ETH/USD TWAP data stream [1]. The rules state that only this Chainlink data stream counts, and not other sources or spot markets [1]. A trader therefore needs to focus on how that specific stream moves, not on prices quoted elsewhere. Timing matters for reading the record. The provider observed this listing at 18:00:06 UTC on October 27, 2026, and the record was retrieved at 18:48:02 UTC the same day [1]. At that observation, the provider reported the status as active, with a listed end time of 07:20 UTC on October 28, 2026 [1]. The end time is a contract closing time taken from the rules, not an announced event. The record does not show how the window resolved, and nothing here reports a result. The saved event includes one market, and all saved markets for this event are included in the sample [1]. Because the record covers a single binary market, it does not show a broader set of contracts on Ethereum.
Why It Matters
The contract measures whether Ethereum's price, as reported by one named Chainlink TWAP data stream, finishes a specified five-minute window at or above where it started [1]. Because the outcome depends on a single data stream and a defined time range, the rules determine what counts as a win for each side. The listed status and end time show when the contract is set to close, but they do not indicate how it settled [1].
Snapshot context
The latest published provider snapshot for this topic was observed on 2026-10-27 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 decides whether the contract resolves Up or Down?
It resolves Up if the Chainlink TWAP of Ethereum over the time range in the title is greater than or equal to the price at the start of that range. Otherwise it resolves Down [1].
Which price source is used?
The resolution source is the ETH/USD TWAP data stream from Chainlink. The rules say other sources and spot markets are not used [1].
Does the listed end time mean the event has happened?
No. The listed end time of 07:20 UTC on October 28, 2026 is part of the contract rules and marks when the market is set to close. The record was observed while the status was active, so it does not show a result [1].
Do the listed prices show how likely each outcome is?
No. The prices are snapshots from one observation. They are not executable quotes or verified probabilities, and trading volume does not measure liquidity or the number of traders.
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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Same-question pairs
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No outcomes on this page have been reviewed as the same question on both platforms yet.
Price differences do not establish arbitrage. Check each pair's review, current order prices, fees and settlement rules.