Bitcoin price on August 20?

Platform comparison

Market context

Bitcoin is trading in the mid-$60,000s heading into the noon ET Binance close, so the market is effectively pricing a relatively narrow one-minute snapshot rather than a directional move over the full day.[7][14] That matters because the contract settles on the 12:00 ET candle close, and the current 0% YES implied probability suggests the crowd sees the stated range as already out of reach or mis-specified relative to the live BTC price and bracket structure.

Recent comparables point to a market that has been supported by exchange-traded fund demand, but not in a straight line. U.S. spot Bitcoin ETFs logged a strong $853.54 million inflow week ended 7 August, then saw mixed daily prints later in the month, including a net inflow of $189.3 million on 18 August and a smaller $98.85 million addition on 7 August.[3][5][1] That mix helps explain why short-dated Bitcoin contracts can diverge sharply from broader analyst consensus: ETF flow narratives have been constructive, yet intraday pricing still reacts to funding, liquidity and fast reversals rather than just end-of-day direction.[2][8]

For traders, the main catalysts are the final pre-settlement spot move, any further ETF flow data, and macro risk tone into the close. News flow this month also showed the Senate pushing the CLARITY Act into the autumn, which removed a near-term legislative catalyst even as Bitcoin held around $65,200 on 10 August.[14] Against that backdrop, sportsbook-style lines on a one-hour-to-settlement event are usually far less informative than the market’s actual Binance print, so the key comparison is whether prediction-market pricing is anchored to stale range assumptions rather than the live noon ET tape.[7][14]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Bitcoin price on August 20? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Best Prediction Markets, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.