Bitcoin price on May 20?

Platform comparison

Active sub-markets

Market context

Bitcoin is being priced for the Binance 12:00 ET close on 20 May, with the market needing the BTC/USDT one-minute candle at that exact timestamp to land in the relevant bracket. That makes the print a narrow spot check rather than a daily average, so late-session volatility, a fast futures squeeze, or a short-lived liquidity vacuum can matter more than the broader intraday trend. CF Benchmarks’ real-time index and Binance spot are usually well aligned, but the contract settles off Binance’s close, not a composite index.

Recent history points to a market that has been trading in the upper-$70,000s after a sharp first-quarter setback. Fortune reported Bitcoin at $76,565 on the morning of 19 May, down on the day, while Polymarket showed the dominant band for the day ahead as 76,000–78,000. SoFi’s price history puts early-2026 trading between roughly $60,074 and $97,860, underscoring that the current level sits well below the year’s high but far above the February low. With crowd-implied probability at 0% YES, the contract is effectively reflecting a belief that the noon candle will miss the required band rather than a strong directional call.

Traders should watch spot liquidity into the U.S. session close, Binance funding rates, and whether any large Bitcoin or stablecoin flows hit exchanges before noon ET. A brief funding dislocation can pull price away from spot if perpetuals are crowded long or short, while heavy USDC settlement activity can add intraday buying or selling pressure. Macro-wise, Bitcoin’s path still tends to track risk appetite in ETH and broader crypto, so moves in ether, ETF-related flows, or a sudden shift in dollar liquidity can spill over quickly into BTC/USDT at the expiry timestamp.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

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'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 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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.