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Home/Crypto/Bitcoin Up or Down on August 31?
PolymarketCryptoUpdated 9m ago

Bitcoin Up or Down on August 31?

Market probability
20.5%
−1 percentage point
over 24 hours21.5% → 20.5%
Less than a day until the event deadline
Deadline: August 31, 2026 at 12:00 PM ET

Confirmed repricing; the market is settling at the new level.

The pricing is supported by healthy trading volume and market depth, a tight spread.

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?

Strong

The pricing is supported by healthy trading volume and market depth, a tight spread.

Consensus stability

Has the market settled at the new probability?

Forming

Movement has slowed (1 point over six hours) but the market has not fully settled.

Contract clarity

Will the rules resolve without ambiguity?

High

The resolution rules are relatively specific, with a named source and a defined deadline.

Recent trade activity$5.5K traded

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 30 '26 12:00 in the ET timezone (noon) is lower than the final "Close" price for the Aug 31 '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 30 '26 12:00 in the ET timezone (noon) is higher than the final "Close" price for the Aug 31 '26 12…

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 30 '26 12:00 in the ET timezone (noon) is lower than the final "Close" price for the Aug 31 '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 30 '26 12:00 in the ET timezone (noon) is higher than the final "Close" price for the Aug 31 '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

What could move this market next?

  • The market's deadline arrivesAugust 31, 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 30, 10:30 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: high · expected error ±18 pts.

Resolving soonLegacy movement classifier: watch

What's happening

high classifier confidence
Resolving soon

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

$60.9K

Change (pts)1H-1.06H-1.024H-1.07D-1.0
Score breakdown — Movement, Liquidity & Trust

ProbCast Trust Score

53/ 100 · Watch

Mixed support. Interpret with some caution. Main caveat: expiring soon.

ProbCast measures how reliable this market probability appears — not what to trade.

Movement44

Magnitude of recent probability change

Liquidity77

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ProbCast — Odds Reliability

Know whether prediction-market odds can be trusted. ProbCast analyzes liquidity, market activity, spreads, and price movement to help distinguish meaningful repricing from thin-market noise.

Questions? Chat with us on Telegram
TodayTop MoversEventsAll MarketsWhat ChangedVenue DivergencePolymarket vs KalshiMethodologyCoverageMeta's ArenaWatchlistTerms of UsePrivacyCrypto
  • Resolves in 1 day(s) — end-of-life pricing is mechanically thin

Read with caution —Read the latest price with caution; conditions make it an unreliable summary right now.

More details — reliability score, dynamics, durability
Reliability score
12Low
Where the price path tends to go next261 observed
  • Stable consensus92%
  • Choppy / mean-reverting5%
  • Trend continuation1%

Short-term motion of the price line (~1h), distinct from the environment above — not a prediction of the final outcome.

DurabilityHigh· half-life <1h
PredictabilityStable

Secondary read: leaning toward Trending.

A read-only classification of the market environment — how much weight the current price deserves as a read of consensus. It describes conditions, never a trade.

Liquidity

$31.1K

Total volume

$61K

Category
Crypto
Venue
Polymarket
Open interest
—
Spread
1.0 pts
Best bid
20.0%
Best ask
21.0%
7-day range
17.0% – 21.5%
Resolves
Aug 31, 2026
Resolution
binance.com

Depth of the order book and volume

Trust breakdown

53/100 · Watch

Mixed support. Interpret with some caution. Main caveat: expiring soon.

  • Liquidity anchor+53
  • Price steadiness+17
  • Expiring soon-10
  • Limited history-8
Trust score53 / 100
How these scores work →
View on Polymarket

ProbCast provides prediction-market data and analytics for informational purposes only. Not financial, trading, betting, investment, legal, or tax advice. Market-implied probabilities can be wrong, illiquid, manipulated, or affected by ambiguous resolution rules.

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ProbCast provides prediction-market data and analytics for informational purposes only. Not financial, trading, betting, investment, legal, or tax advice. ProbCast is not a betting platform, exchange, or broker and does not provide buy or sell recommendations. Intended for users 18+; availability of prediction-market activity varies by jurisdiction. Venue data is aggregated from third parties and may be delayed or inaccurate. See our Terms of Use.

Market-implied probabilities can be wrong, illiquid, manipulated, or affected by ambiguous resolution rules.

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