Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Sport Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Sport Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Sport Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Sport Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Sport Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Sport Prediction → |
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 Sport Prediction.
Active sub-markets
Market context
Bitcoin was trading in the mid-$60,000s around the market’s reference point, with YCharts putting the June 21, 2026 close at $64,240.23 and Fortune showing $63,682.64 on 4 June. That leaves the current crowd-implied 0% YES in sharp contrast with the recent tape: Bitcoin has been roughly flat-to-down over the month, but still well above the June low near $60,074 and far below the 2025 peak above $126,000, so the market is effectively pricing a failure to reach the named strike within the settlement window.[4][3][6]
Comparable cases suggest traders should read this as a narrow-range event unless there is a late volatility shock. YCharts shows BTC moved from $63,513.66 on 20 June to $64,240.23 on 21 June, while Changelly’s June 2026 table put a downside floor at $63,905.15 for 21 June and Robinhood’s listed price bands clustered around $64,100 to $64,500, which reinforces how tightly the market was trading into expiry.[4][1][2] Bitcoin’s broader 2026 range has also been wide, with SoFi citing a year-to-date high of $97,860.60 and low of $60,074.20, but the immediate June structure points to consolidation rather than a clean breakout.[6]
For traders, the main catalysts are macro liquidity, ETF flow headlines, and any regulatory or exchange-specific announcement that can move spot within hours. Changelly’s own near-term forecast points only to modest upside into 23 June, while Binance’s model also shows a slow grind rather than a sharp repricing, so the key dependency is whether fresh inflows or a risk-off shock arrives before settlement.[1][7] In the absence of a major catalyst, the odds of Bitcoin tagging a materially higher strike on 21 June remain constrained by the recent price band and the lack of momentum in late June trading.[4][2]
Methodology
We track What price will Bitcoin hit on June 21? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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?
- Sport Prediction 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction 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.
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