Ethereum Up or Down - October 20, 2:45AM-3:00AM ET
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Ethereum Up or Down - October 20, 2:45AM-3:00AM 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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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 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 2026-10-19T09:00:05.974Z. This analysis describes that snapshot and is not a live news update.
What the contract measures
This contract covers the Ethereum price movement over a 15-minute window in the title, "Ethereum Up or Down - October 20, 2:45AM-3:00AM ET" [1]. The rules say 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 Chainlink ETH/USD TWAP data stream, and the rules state that the 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" [1]. A contract on a different exchange, a spot price feed, or a different averaging method could use different wording and settle differently, so prices should not be compared across them without checking their rules.
The listed end time is 2026-10-20T07:00:00.000Z [1]. This is the contract's closing time, not a confirmed resolution. The source does not report a final outcome.
Reading the snapshot
The supplied prices were observed at 2026-10-19T09:00:05.974Z and retrieved at 2026-10-19T09:45:41.375Z [1]. They describe the market at the observation time only. They are not live quotes, and the source does not show whether they could be traded at these levels.
The snapshot shows "Up" at 0.505 and "Down" at 0.495 [1]. These prices sum to 1.000, and the gap between them is 0.010. Taken at face value, the snapshot leans slightly toward "Up," but a difference this small is within the normal uncertainty of a single snapshot. Prices are not verified probabilities, and the source does not explain why the prices are where they are.
The sample covers one market from one provider event. The coverage record marks it as complete, with one market included out of one total and no partial sample [1]. The source does not report volume or the number of traders, so it says nothing about liquidity or how many participants hold each view.
What remains uncertain
The source does not show the price at the beginning of the window or the TWAP during it, so the outcome cannot be inferred from the snapshot. The prices may change before the observation or the closing time. The evidence contains no information beyond this one contract, and it does not establish that any other outcomes exist.
References
- Polymarket: Ethereum Up or Down - October 20, 2:45AM-3:00AM 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-window crypto contract on Polymarket titled "Ethereum Up or Down - October 20, 2:45AM-3:00AM ET." It asks whether the price of Ether (ETH) over a 15-minute window will finish higher or lower than where it started. The contract is classified in the Crypto category, and its provider status is listed as active [1]. The rule is based on a time-weighted average price rather than a single spot price. The contract resolves to "Up" if the time-weighted average price of ETH 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]. Because the comparison is between an average over the window and the starting price, a brief move near the end does not necessarily decide the outcome in the same way a closing price would. The resolution source is Chainlink. Specifically, the rules point to the ETH/USD TWAP data stream with a 60-second interval [1]. The rules also state that the contract concerns the price according to that Chainlink data stream for the ETH/USD pair, and not any other sources or spot markets [1]. Traders reading the contract should therefore look at that data stream's values, not prices on exchanges or other feeds. The listed end time for the market is 2026-10-20T07:00:00.000Z [1]. That is the time the provider lists for the contract, and it is distinct from the window in the title. The contract's rules describe how the outcome is determined, but the source does not describe any event scheduled to occur at that time.
Why It Matters
The contract measures whether the Chainlink ETH/USD time-weighted average price over a specified 15-minute window is at or above the price at the start of that window [1]. It gives a binary outcome of Up or Down. Its value to a reader lies mainly in understanding the exact measurement: the source is a specific Chainlink data stream, the comparison uses an average over the window, and the rules explicitly exclude other sources and spot markets [1]. Anyone interpreting a market price for this contract should keep those definitions in mind, since a price for a similarly named contract tied to a different source may measure something else.
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 contract resolves Up?
The contract resolves to "Up" if the time-weighted average price 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 [1].
What resolves the contract to Down?
If the time-weighted average price over the specified range is not greater than or equal to the starting price, the contract resolves to "Down" [1].
Which data source is used to resolve the market?
The resolution source is information from Chainlink, specifically the ETH/USD TWAP data stream with a 60-second interval [1].
Do exchange or spot prices determine the outcome?
No. The rules state that the market is about the price according to the Chainlink TWAP data stream for ETH/USD, not according to any other sources or spot markets [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.
Related prediction markets
Prices are catalog snapshots and may have changed. Check each market's rules and observation time.
Ethereum price on October 20?
PM $25.9KEthereum above ___ on October 20?
PM $93.2KEthereum Up or Down - October 20, 3:45AM-4:00AM ET
PM $0What price will Ethereum hit in October?
PM $2.20MEthereum Up or Down - October 20, 12:45AM-1:00AM ET
PM $0Ethereum Up or Down - October 20, 1:45AM-2:00AM ET
PM $0Market Insights
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.