
Ethereum Up or Down - October 31, 2:10AM-2:15AM ET
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Ethereum Up or Down - October 31, 2:10AM-2:15AM ET

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AI Analysis
Trader mode: Market mechanics, assumptions and risks
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Reported volume ยท provider units
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Same-question pairs
Source snapshot: Oct 30, 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 2026-10-30T12:00:07.014Z. This analysis describes that snapshot and is not a live news update.
What the contract measures
This is a single short-window Ethereum contract. According to the rules excerpt, the 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"" [1]. The resolution source is the ETH/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 ETH/USD, not according to any other sources or spot markets" [1].
The listed end time is 2026-10-31T06:15:00.000Z [1]. The title gives the window in Eastern Time as "2:10AM-2:15AM ET" [1]. Readers comparing these should convert the two references themselves, since the excerpt does not state the conversion. The listed end time is a close time for trading, not a statement of when the outcome will be known or published.
Reading the snapshot
The saved snapshot was observed at 2026-10-30T12:00:07.014Z and retrieved at 2026-10-30T12:42:56.536Z [1]. It shows the provider status as active [1]. These timestamps describe that saved record only and should not be read as live prices.
The saved prices are Up at 0.505 and Down at 0.495 [1]. These are snapshot prices, not executable quotes, and they are not verified probabilities. Because the two outcomes sum to 1.000 in this record, the pair is internally consistent, but the snapshot does not show spreads, depth, or fills.
The sample covers one market from one provider event, with no omitted markets [1]. The coverage record lists one total market, one included market, and partialSample set to false [1]. The provider warning states that the saved markets "does not establish that the providers list every possible real-world outcome" [1]. Because this is a binary Up or Down contract, no other outcomes are being compared.
What remains uncertain
The supplied evidence does not include trading volume, order book depth, or any later price. It also does not explain what drove the prices, how many participants hold each side, or whether the saved prices still apply. Comparing this contract with any similarly titled contract on another platform would require that platform's own rules and close times, which are not in the evidence. Differences in wording or timing between contracts should not be treated as an arbitrage opportunity without that information.
References
- Polymarket: Ethereum Up or Down - October 31, 2:10AM-2:15AM ET. Provider data observed 2026-10-30T12:00:07.014Z.
AI-generated analysis based on market data. Not financial advice.
Saved Oct 30, 2026 UTCOverview
This is a short-window crypto price contract on Polymarket, titled "Ethereum Up or Down - October 31, 2:10AM-2:15AM ET" [1]. It asks whether the price of Ether (ETH) moves up or down over a five-minute window. The contract's rules say it resolves 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 start of that range, and to "Down" otherwise [1]. The resolution source is Chainlink's ETH/USD TWAP data stream [1]. The rules state that the market concerns the price according to that Chainlink data stream, not other sources or spot markets [1]. The listed end time is 2026-10-31T06:15:00Z [1]. The contract is a binary Up or Down market with two outcomes in the saved snapshot [1]. The saved snapshot shows Up at 0.505 and Down at 0.495 [1]. These are prices recorded at the observation time, not executable quotes, and they should not be read as verified probabilities. The excerpt also records the provider status as active at retrieval [1]. Because the snapshot is historical, it does not show the market's current state.
Why It Matters
The contract measures whether the Chainlink ETH/USD TWAP over the stated five-minute range ends at or above the level at the beginning of that range [1]. Because the outcome depends on a time-weighted average from a named data stream, the rules define the measurement precisely: the contract is about that data feed, not any other exchange or spot price [1]. The listed end time marks when the contract's window closes under its rules [1]. Traders and readers can therefore see exactly which data source and time window decide the result, which is the main point of the contract's design.
Snapshot context
The latest published provider snapshot for this topic was observed on 2026-10-30 at 12:00 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 this contract resolves Up or Down?
The contract compares the Chainlink ETH/USD TWAP over the time range in the title with the price at the start of that range. If the TWAP is greater than or equal to the starting price, it resolves Up; otherwise it resolves Down [1].
Which data source is used to resolve the market?
The resolution source is Chainlink's ETH/USD TWAP data stream. The rules say the market is about that Chainlink data stream and not other sources or spot markets [1].
Does the price shown for Up or Down mean the chance of that outcome?
No. The saved prices of 0.505 for Up and 0.495 for Down are snapshot values recorded at the observation time [1]. They are not executable quotes or verified probabilities.
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.
Related prediction markets
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.