Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Scam? Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Scam? → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Scam? → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Scam? → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Scam? → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Scam? → |
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 Polymarket Scam?.
Active sub-markets
Market context
Polymarket is pricing **100% YES** on the contract, which means the market is effectively treating a Binance BTC/USDT noon ET close above the strike as a certainty. For a Polymarket user, the position is backed by USDC on Polygon and represented through conditional tokens, so the contract’s value is about the exchange-specific settlement rule rather than a broader “Bitcoin price” view.
That reading should be tempered by history: Binance BTC/USDT has shown enough intraday volatility that 1-minute settlement points can diverge from broader spot narratives, even when the larger trend looks steady. Recent Binance references place BTC/USDT around the low- to mid-$63,000s, with one live Binance quote at 63,059.55 and another market data feed at 62,702.23, which underlines that the relevant question is the exact noon ET candle on Binance, not the daily chart elsewhere.[4][3] The market is therefore sensitive to a narrow timestamp, and a “certain” probability can still be exposed to exchange-specific moves, thin liquidity at the minute boundary, or a sudden wick.
The main catalysts to watch are the usual Bitcoin drivers that can move Binance’s spot tape into the settlement window: macro headlines, ETF flow news, regulatory commentary, and any sharp shifts in risk sentiment across crypto. Binance’s own 1m candles are the resolution source, so traders should focus on what can affect BTC/USDT directly in the final minutes before noon ET, not on futures pricing or other venues.[5][4] Because settlement is tied to a single candle close, even short-lived volatility around a scheduled announcement can matter more than the broader day’s direction.
Methodology
We track Bitcoin above 2026 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
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
- Where can I trade this market with the lowest fees?
- On Polymarket Scam?, 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 Polymarket Scam??
- Zero. Polymarket Scam? 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.
Trade Bitcoin above 2026 on June 21? on Polymarket Scam?
Live order book, 0% fees, USDC settlement in seconds.
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