
ZCash Up or Down - October 28, 9:15AM-9:30AM ET
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ZCash Up or Down - October 28, 9:15AM-9:30AM ET

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AI Analysis
Trader mode: Market mechanics, assumptions and risks
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Source snapshot: Oct 28, 2026, 12:00 PM UTC
About This Event
This market will resolve to "Up" if the time-weighted average price (TWAP) of ZCash, 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 ZEC/USD TWAP data stream available at https://data.chain.link/streams/zec-usd-twap-60s-streams. Please note that this market is about the price according to the TWAP Chainlink data stream for the asset pair ZEC/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 saved event is "ZCash Up or Down - October 28, 9:15AM-9:30AM ET," listed in the Crypto category on Polymarket [1]. The rules state that the market "will resolve to "Up" if the time-weighted average price (TWAP) of ZCash, 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 ZEC/USD TWAP data stream from Chainlink, and the rules say the market "is about the price according to the TWAP Chainlink data stream for the asset pair ZEC/USD, not according to any other sources or spot markets." [1] Because the comparison uses the average over the window against the starting price, a contract can resolve differently from a simple comparison of the price at the window's start and end. The equal case resolves "Up."
Reading the snapshot
The provider observed the market at 2026-10-27T18:00:06.010Z, and this archive was retrieved at 2026-10-27T18:05:05.712Z [1]. These times describe when the data was captured, not when the contract closes. The listed end time is 2026-10-28T13:30:00.000Z, and the provider status was "active" at capture [1].
At that observation, the saved prices were 0.5 for "Up" and 0.5 for "Down" [1]. These are snapshot prices, not executable quotes, and they are not verified probabilities. The record does not include trade size, depth, or trader counts, so it says nothing about how liquid the contract is or how many participants hold each side.
The sample covers one market from one provider event. The coverage record shows one total market, one included, and no partial sample [1]. This is not a comparison across platforms or contracts, so no cross-platform price gap or arbitrage conclusion can be drawn.
What remains uncertain
The evidence does not show the window's starting price, the TWAP values during the window, or the final resolution. Prices may have changed after capture. The record also cannot explain why the prices stand where they do.
References
- Polymarket: ZCash Up or Down - October 28, 9:15AM-9:30AM 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-interval crypto price contract on ZCash, listed on Polymarket under the title "ZCash Up or Down - October 28, 9:15AM-9:30AM ET" [1]. The contract is a binary market with two outcomes, Up and Down. According to the listing, it resolves to "Up" if the time-weighted average price (TWAP) of ZCash 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 measurement is specific. The listing states that the price is taken from the Chainlink ZEC/USD TWAP data stream, not from other sources or spot markets [1]. A trader reading this contract therefore needs to understand the stream's definition of the average, not just the general market price of ZCash. The window in the title runs from 9:15 AM to 9:30 AM Eastern Time on October 28, and the listed end time for the market is 2026-10-28T13:30:00.000Z [1]. The timestamps in the saved record serve different purposes. The provider observation time for the market snapshot is 2026-10-27T18:00:06.010Z, and the source was retrieved at 2026-10-27T18:05:05.704Z [1]. The listed end time is the scheduled close of the contract. It is not a record that the window has already passed or that the contract has resolved. The saved provider status at retrieval was "active" [1]. The saved snapshot shows both outcomes priced at 0.5 for Up and Down [1]. A price of this kind is a point-in-time reading from the provider record. It is not an executable quote and not a verified probability of the outcome.
Why It Matters
The contract measures whether the time-weighted average of the ZEC/USD price over a 15-minute window, as reported by the specified Chainlink TWAP stream, finishes at or above the price at the start of that window [1]. Because the comparison uses an average over the window rather than a single closing trade, the result can differ from a simple before-and-after price comparison. The listing also says the resolution depends only on the named Chainlink stream and not on other markets or sources [1]. That makes the stream's data definition the central rule for anyone interpreting the contract.
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 does the contract need to show to resolve Up?
It resolves to Up if the time-weighted average price of ZCash over the time range in the title is greater than or equal to the price at the beginning of that range [1].
Which price source determines the outcome?
The resolution source is information from Chainlink, specifically the ZEC/USD TWAP data stream. The listing says the market is about that stream and not about any other sources or spot markets [1].
What time window does the contract cover?
The title specifies 9:15 AM to 9:30 AM ET on October 28, and the listed end time is 2026-10-28T13:30:00.000Z [1].
Does the saved price show the likelihood of an Up result?
The saved snapshot lists Up and Down at 0.5 each as of the provider observation time [1]. The record does not establish that these prices are executable or that they are 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.
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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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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.