Bitcoin price on May 20?

Platform comparison

Active sub-markets

Market context

Bitcoin’s noon Binance candle on 20 May is the settlement reference here, so the relevant question is where BTC/USDT is trading at 12:00 ET, not where it finishes the U.S. session. With Bitcoin around $76,565 on 19 May at 9:30 a.m. ET, the market was already sitting near the lower end of the 76,000-78,000 band that Polymarket had as the clear frontrunner before the settlement window. That makes a low-70s or high-70s print enough to matter for the bracket outcome, especially because the contract resolves on a single minute close rather than an average.

Recent history shows how quickly Bitcoin can move through these ranges. Fortune reported BTC near $80,120 on 15 May, then down to $76,565 four days later, while SoFi’s price history places 2026’s range broadly between about $60,074 and $97,860. That kind of volatility is normal for a market whose intraday book depth is often shaped by fresh fiat and stablecoin deposits, fee timing, and withdrawal rails. When funding is easy through SEPA, Klarna, or USDC, traders can move capital in quickly; when rails slow or fees bite, liquidity can thin and the price can gap across a bracket.

For this market, the practical catalysts are not just macro headlines but the flow mechanics around the exchange itself: whether new EUR or card deposits land in time, whether stablecoin transfers clear before the noon ET candle, and whether traders are able to recycle USDC back into BTC without friction. Binance price-prediction pages were still pointing to a mid-$77,000 area for late May, but those model estimates matter less than the live spot tape and the pace of funding into the order book. Any sudden shift in on-ramp availability or a burst of withdrawals can change depth materially before the settlement candle 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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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.

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.

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.