Market prices a 22.5% chance of “Bitcoin Up or Down on August 9” — down 4 points in 24 hours
Original Polymarket title: “Bitcoin Up or Down on August 9?”
A repricing with partial backing — read the new probability with some caution.
The pricing has partial support: healthy trading volume and market depth, a tight spread. The probability moved another 1 point in the past hour — the market is still repricing.
How credible was the move?
Three separate questions — a move can be genuine while the latest price is still settling. Methodology →
Move validity
Is the move backed by real trading and depth?
The pricing has partial support: healthy trading volume and market depth, a tight spread.
Consensus stability
Has the market settled at the new probability?
The probability moved another 1 point in the past hour — the market is still repricing.
Contract clarity
Will the rules resolve without ambiguity?
The resolution rules are relatively specific, with a named source and a defined deadline.
From the latest trade tape (most recent 200 prints) — a live activity sample, not a lifetime total.
What this market actually measures
This market will resolve to "Up" if the "Close" price for the Binance 1 minute candle for BTC/USDT Aug 8 '26 12:00 in the ET timezone (noon) is lower than the final "Close" price for the Aug 9 '26 12:00 ET candle. This market will resolve to "Down" if the "Close" price for the Binance 1 minute candle for BTC/USDT Aug 8 '26 12:00 in the ET timezone (noon) is higher than the final "Close" price for the Aug 9 '26 12:00 …
This summary shows the opening of the venue's official rules. ProbCast has not yet generated an independent plain-English interpretation for this contract — review the full rules before relying on it.
View full official resolution rules
This market will resolve to "Up" if the "Close" price for the Binance 1 minute candle for BTC/USDT Aug 8 '26 12:00 in the ET timezone (noon) is lower than the final "Close" price for the Aug 9 '26 12:00 ET candle. This market will resolve to "Down" if the "Close" price for the Binance 1 minute candle for BTC/USDT Aug 8 '26 12:00 in the ET timezone (noon) is higher than the final "Close" price for the Aug 9 '26 12:00 ET candle. If the final "Close" price for both of these candles is exactly equal on Binance, this market will resolve 50-50. The resolution source for this market is Binance, specifically the BTC/USDT "Close" prices currently available at https://www.binance.com/en/trade/BTC_USDT with "1m" and "Candles" selected on the top bar. Please note that this market is about the price according to Binance BTC/USDT, not according to other exchanges or trading pairs.
Resolution source: binance.com
Why the odds moved
The probability fell 4.0 percentage points over the last 24 hours (26.5% → 22.5%).
No verified catalyst has been linked to this move yet. ProbCast does not attribute moves to news without evidence connecting the timing of a specific report to the repricing.
What could move this market next?
- The market's deadline arrivesAugust 9, 2026 at 12:00 PM ET
The contract must resolve based on what has happened by this date.
- Confirmation at the resolution source (binance.com)
The rules name this source as the basis for settlement.
Derived from the contract's own mechanics as of Aug 8, 11:46 PM ET. ProbCast does not list scheduled meetings, announcements, or data releases it cannot verify.
Advanced analysis (experimental)
Research signals — these models are still accumulating the history needed for full validation, and they can disagree with the headline read. Model confidence: medium · expected error ±22 pts.
What's happening
Near resolution or with ambiguous wording, pricing is mechanically thin and can swing on tiny trades. Read end-of-life prices with extra caution.
Market data
24h volume