What price will Bitcoin hit on May 20?

Platform comparison

Active sub-markets

Market context

Bitcoin is trading on Polymarket at 0% yes for a contract that settles on the Polygon network in USDC via conditional tokens, so the market is effectively pricing no route to the specified price level before the 21:00 UTC cut-off. With settlement measured against the exchange index rather than a single spot venue, the question for holders is whether BTC can make a sharp enough move and hold it through the sampling window, not just print the level briefly intraday.

That near-zero price is easier to read against recent comparables. On Robinhood’s BTC event markets, levels around $79,700 and $78,500 were already trading as near-certain on 14 May, while the higher $80,000 strike was still only 2¢, showing how heavily the market differentiated between nearby thresholds. Broader forecast pages are also clustered around the high-$70,000s to low-$80,000s for late May: Binance’s predictor had BTC around $77,500 in the next 30 days, while Kraken’s 5% growth assumption put 22 May near $77,486. That leaves the current Polymarket contract at the extreme end of the distribution rather than inside the main consensus band.

For traders, the key catalysts are any late-session move in spot Bitcoin around the 200-day moving average area, plus macro headlines that could force a break in either direction before expiry. 24/7 Wall St. highlighted $82,228 as the decisive resistance in May, with BTC struggling to clear $80,000 and needing a daily close above it for a stronger reversal signal. Strategy’s Q1 results and any fresh signal on Bitcoin buying remain a relevant dependency, but with the window ending at 04:00 UTC the practical focus is on whether price can be pulled into the contract’s trigger zone fast enough to survive the final index prints.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.

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

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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 does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

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.