Snapshot observed 2026-10-19T03:00:06.086Z. This analysis describes that snapshot and is not a live news update.

What the contract measures

This is a single Polymarket contract, "Bitcoin Up or Down - October 19, 10:45PM-11:00PM ET" [1]. It resolves to "Up" if the Chainlink time-weighted average price of Bitcoin over the stated range is at or above the price at the start of that range. Otherwise it resolves to "Down" [1]. The rules specify that the resolution source is the BTC/USD TWAP data stream and that "this market is about the price according to the TWAP Chainlink data stream for the asset pair BTC/USD, not according to any other sources or spot markets" [1]. A reader comparing this contract with a similarly titled market on another platform should check that the other contract uses the same data stream, range, and comparison rule, because a difference in any of these changes what is being priced.

The listed end time is 2026-10-20T03:00:00.000Z [1]. That is a closing time in the contract data, not a report of anything that has happened.

Reading the snapshot

The saved snapshot was observed at 2026-10-19T03:00:06.086Z and retrieved at 2026-10-19T03:19:51.228Z [1]. Both times fall before the listed end time. The prices below describe that observation only and should not be read as live quotes.

• Up: 0.505
• Down: 0.495

These two prices sum to 1.000 [1]. They are snapshot prices, not executable quotes or verified probabilities. The sample contains one market, and the marketCoverage record shows all one saved market included with no partial sample [1]. The provider's sample warning states that this "does not establish that the providers list every possible real-world outcome" [1]. Here the two outcomes are the complete binary pair for this contract. The snapshot does not include volume or liquidity data, so it says nothing about depth or how many traders are involved.

The gap between 0.505 and 0.495 is small. The evidence does not explain why prices sit where they do, and it does not support any claim about which direction the market expects.

What remains uncertain

The supplied evidence does not include any price after the observation time, the outcome of the range, or the Bitcoin price at the start of the range. It also does not show how the prices have changed over time. Because the contract's rules depend on a specific TWAP calculation, a reader cannot infer the result from the quoted prices. Any comparison with a contract on a different platform should first confirm matching wording and listed close times, and a price difference alone does not indicate an opportunity.

References

1. Polymarket: Bitcoin Up or Down - October 19, 10:45PM-11:00PM ET. Provider data observed 2026-10-19T03:00:06.086Z.