Ethereum Up or Down - October 20, 4:45AM-5:00AM ET
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Ethereum Up or Down - October 20, 4:45AM-5:00AM 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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Saved contracts
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Reviewed equivalent pairs
Source snapshot: Oct 19, 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 2026-10-19T09:00:05.974Z. 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 20, 4:45AM-5:00AM ET" and is listed in the Crypto category [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, and the rules say 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 2026-10-20T09:00:00.000Z [1]. The rules describe how resolution works, but the evidence does not show the actual resolution outcome.
Reading the snapshot
The saved provider observation is timestamped 2026-10-19T09:00:05.974Z, and the source was retrieved at 2026-10-19T09:42:16.886Z [1]. These are different times. The observation records the provider data, and the retrieval time records when this record was collected. The contract had not reached its listed end time at either point, and the provider reported its status as "active" [1].
At observation, the saved prices were 0.505 for "Up" and 0.495 for "Down" [1]. These are snapshot prices from one provider, not executable quotes or verified probabilities. The sample contains one market from one platform, and coverage shows that all one saved market was included with no partial sample [1]. Because there is only one listed outcome pair on this platform, there is no other contract to compare, and no cross-platform average can be drawn from this evidence.
The gap between the two prices is 0.010, and the prices sum to 1.000 in this snapshot. The evidence does not explain why the prices were at these levels, and it contains no volume, liquidity, or trader-count information.
What remains uncertain
This record cannot show the prices after the observation time, whether they have changed, or the current status of the market. The evidence also does not establish the actual ETH/USD TWAP values, the starting price for the window, or the final resolution. The sample warning states that the saved markets do not establish that the provider lists every possible real-world outcome [1]. Readers should check the provider page and the Chainlink data stream directly for any later information.
References
- Polymarket: Ethereum Up or Down - October 20, 4:45AM-5:00AM 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-duration crypto contract on Polymarket asking whether Ethereum's price will go up or down over a fixed window. The listed title is "Ethereum Up or Down - October 20, 4:45AM-5:00AM ET" [1]. The contract has two outcomes, "Up" and "Down" [1]. The contract rules, as summarized from the provider's listing, state that the market 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 beginning of that range. Otherwise it resolves to "Down" [1]. The outcome therefore depends on a comparison within the window rather than on the price at a single moment. The resolution source is Chainlink. The provider specifies the ETH/USD TWAP data stream, using 60-second TWAP data, as the reference [1]. The rules also state that the market concerns the price in that Chainlink data stream and not other sources or spot markets [1]. A reader should therefore not assume that a price quoted on a spot exchange determines the result. The listed end time is 2026-10-20T09:00:00.000Z [1]. That timestamp is a contract closing time. It is not an announced event or a statement that the market has resolved. At the provider observation time recorded for this listing, the provider reported the status as active [1]. Any later status must be checked against a newer provider record. The prices shown alongside this article are snapshots of the provider's listed prices at the observation time. They are not executable quotes, and they are not verified probabilities of an outcome.
Why It Matters
The contract measures whether the Chainlink ETH/USD time-weighted average price over a specific five-minute window, from 4:45 AM to 5:00 AM ET on October 20, is greater than or equal to the price at the start of that window [1]. Because the reference is an averaged data stream rather than a single trade, the contract tracks the average movement across the window according to that feed [1]. The rules state that the market is about that data stream and not other sources or spot markets [1], so the contract's meaning is tied to the specified oracle feed.
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 does an "Up" result mean for this contract?
According to the provider's rules, the market resolves to "Up" if the TWAP over the stated time range is greater than or equal to the price at the beginning of that range [1].
Which price source determines the result?
The resolution source is information from Chainlink, specifically the ETH/USD TWAP data stream. The provider states that other sources and spot markets are not the basis for resolution [1].
Does a listed price mean the event is likely to happen?
No. The prices shown are snapshots at the observation time and are not executable quotes or verified probabilities.
When does this contract close?
The provider lists the end time as 2026-10-20T09:00:00.000Z [1]. This is the contract closing time and does not by itself establish how or when the market resolves.
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.