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What price will Bitcoin hit on May 21?

Five-platform snapshot of "What price will Bitcoin hit on May 21?" — live Polymarket pricing, plus how Kalshi, Betfair and Manifold structure the same contract.

0% YES 100% NO Volume: $400K Liquidity: $291K Closes: 22 May 2026
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Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
PolyGram Pick
polygram.ink
0% 100% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on PolyGram →
Polymarket
polymarket.com
0% 100% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on PolyGram →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Open on PolyGram →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Open on PolyGram →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Open on PolyGram →

Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.

Active sub-markets

↑ 86,0000% YES100% NO
↑ 85,0000% YES100% NO
↑ 84,0000% YES100% NO
↑ 83,0000% YES100% NO
↑ 82,0000% YES100% NO
↑ 81,0000% YES100% NO

Market context

Bitcoin’s end-of-day level on 21 May is the settlement point here, not its intraday high or low, so the final CF Benchmarks reading matters more than the day’s volatility. With the market currently pricing 0% for YES, traders are effectively saying the threshold outcome is absent. That kind of pricing is usually easier to understand in a low-likelihood event market than in a directional view of BTC itself: it reflects the chance of finishing at or above a specific strike-style level, not whether Bitcoin has been strong or weak in broader trade.

Comparable reading comes from recent BTC forecasts that have kept price expectations clustered around the high-$70,000s to low-$80,000s rather than near the levels implied by higher strike outcomes. 24/7 Wall St said Bitcoin has struggled to clear $80,000 and placed May trading in a $75,000-$85,000 band, while Robinhood’s related market showed $78,000 as the key nearby threshold. That fits a market where the legal and tax angle is mostly about access and reporting rather than price formation: German GlüStV rules can limit how some platforms structure entry and promotions, while US CFTC jurisdiction still matters because the contract is a US-style event market. A “no-KYC up to $1,500” structure generally means small-size participation may be possible without identity checks, but only below that cap and subject to the platform’s own screening rules.

For catalysts, watch any late-day BTC spot moves, CF Benchmarks index methodology updates, and exchange or custody announcements that could move the reference price before the settlement window closes at 04:00 UTC on 22 May. Any scheduled macro releases, ETF flow headlines, or regulatory statements can still matter if they hit during the final hours, but the key dependency is simply whether the benchmark print lands on or above the market’s defined level before expiry.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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?
PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
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.
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.

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