BNB Up or Down - October 20, 12:45AM-12:50AM ET
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BNB Up or Down - October 20, 12:45AM-12:50AM 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, 6:00 AM UTC
About This Event
This market will resolve to "Up" if the time-weighted average price (TWAP) of BNB, 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 BNB/USD TWAP data stream available at https://data.chain.link/streams/bnb-usd-twap-60s-streams. Please note that this market is about the price according to the TWAP Chainlink data stream for the asset pair BNB/USD, not according to any other sources or spot markets.
Snapshot observed 2026-10-19T06:00:06.076Z. This analysis describes that snapshot and is not a live news update.
What the contract measures
The contract is titled "BNB Up or Down - October 20, 12:45AM-12:50AM ET" and is listed on Polymarket [1]. Its rule states that it "will resolve to "Up" if the time-weighted average price (TWAP) of BNB, 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 BNB/USD TWAP data stream, and the rules say the market concerns "the price according to the TWAP Chainlink data stream for the asset pair BNB/USD, not according to any other sources or spot markets" [1].
Reading the rule closely matters. A contract on a different BNB price source, a spot exchange price, or a non-TWAP measure would not be the same question, even with a similar title. Comparing this contract with a market on another platform should start with the resolution source and time window, not the headline.
The listed end time is 2026-10-20T04:50:00.000Z [1]. The provider's status was recorded as active [1].
Reading the snapshot
The saved snapshot was observed at 2026-10-19T06:00:06.076Z and retrieved at 2026-10-19T06:57:12.522Z [1]. These are the only time references for the prices. They describe a past reading, not live conditions when you read this, and the evidence does not show prices after that observation.
At observation, the saved prices were Up at 0.505 and Down at 0.495 [1]. These are snapshot prices, not executable quotes, and they are not verified probabilities. The evidence contains no order book depth, spread, or volume figures, so it cannot describe liquidity or how many participants are involved.
The sample covers one market from one provider event. The coverage record shows one total market, one included, and no partial sample [1]. The sample note states that all saved markets for this event are included, but that this "does not establish that the providers list every possible real-world outcome" [1]. Because there is only one binary contract here, no other outcomes are omitted from this comparison.
What remains uncertain
The evidence does not explain why the Up price is slightly above the Down price, and it does not show any news or trading activity. It also does not establish the time-weighted price during the window, whether the window has started at the time you read this, or how the contract will resolve.
If you compare this with a similar contract on another platform, check whether it uses the same TWAP definition, the same Chainlink stream, and the same window. Different wording or listed close times can make prices non-comparable, so a price gap alone does not indicate an opportunity.
References
- Polymarket: BNB Up or Down - October 20, 12:45AM-12:50AM ET. Provider data observed 2026-10-19T06:00:06.076Z.
AI-generated analysis based on market data. Not financial advice.
Saved Oct 19, 2026 UTCOverview
This article explains the BNB Up or Down contract listed for October 20, 12:45AM to 12:50AM ET, a short-window crypto price market on Polymarket [1]. The title defines the window in Eastern Time, and the provider's listed end time is 2026-10-20T04:50:00Z [1]. The contract is about whether the price of BNB changes over that window, not about a general forecast for BNB. The contract resolves based on a time-weighted average price (TWAP) of BNB, as generated by Chainlink [1]. It resolves to "Up" if that TWAP 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 uses a TWAP across the window rather than a single moment, the closing value depends on prices throughout the five minutes, not only at the start or end. The resolution source is the BNB/USD TWAP data stream published by Chainlink [1]. The provider states that the market concerns the price shown in that Chainlink data stream for the BNB/USD pair, and not any other data source or spot market [1]. A price move on an exchange or another data feed therefore does not by itself determine the outcome. The market's status in the saved record was active at the observation time [1]. The contract had not reached its listed end time when the record was observed, so no resolution is described here. The price data shown alongside this article is a snapshot from the observation time and does not indicate the eventual result.
Why It Matters
The contract measures whether BNB's Chainlink-based BNB/USD TWAP over a five-minute window ends at or above the price at the start of that window [1]. Its usefulness as a reference depends on how closely the reader understands the rules: the window is short, the comparison uses an average rather than a point price, and only the specified Chainlink stream determines the result [1]. Readers should not treat prices on this contract as a forecast of BNB's broader direction.
Snapshot context
The latest published provider snapshot for this topic was observed on 2026-10-19 at 06:00 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
How does the contract decide between Up and Down?
It resolves to Up if the TWAP of BNB over the time range in the title is greater than or equal to the price at the beginning of that range, and to Down otherwise [1].
Which price source determines the outcome?
The resolution source is information from Chainlink, specifically the BNB/USD TWAP data stream, and the provider states that other sources or spot markets are not used [1].
When does the contract end?
The saved provider record lists an end time of 2026-10-20T04:50:00Z, which corresponds to the close of the 12:45AM to 12:50AM ET window named in the title [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.
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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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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.