Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative UK) Pick polygram.ink (preferred broker) |
25% | 75% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
25% | 75% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↓ 62,000 | 25% |
| ↓ 60,000 | 4% |
| ↑ 68,000 | 1% |
| ↑ 66,000 | 1% |
| ↓ 58,000 | 1% |
| ↓ 56,000 | 1% |
| ↑ 78,000 | 0% |
| ↑ 76,000 | 0% |
| ↑ 74,000 | 0% |
| ↑ 72,000 | 0% |
| ↑ 70,000 | 0% |
| ↓ 54,000 | 0% |
| ↓ 52,000 | 0% |
| ↓ 50,000 | 0% |
Market context
Bitcoin is trading against a fixed-price event on Polymarket: if BTC posts the named level on a Binance 1-minute candle within 27 July to 2 August, the contract resolves yes; if not, it resolves no.[3] With the market currently at a 0% crowd-implied chance, Polymarket users are effectively saying the required move is either outside the reachable range or so unlikely over the window that the USDC on Polygon is better left uncommitted unless fresh catalysts shift the tape.
That reading sits alongside a broader consensus that short-horizon BTC forecasts are clustered well below the kind of upside usually needed for a strike-style win. Recent published projections and short-term models point to BTC spending late July and early August in roughly the low-to-mid-$60,000s, with one July forecast flagging a $56,000–$62,000 band into the Federal Reserve meeting and another August outlook centring on support near $60,965.[2][6][11] Some model-based forecasts are more constructive, but even those still frame a week-ahead move in the $62,000–$68,000 area rather than a sharp breakout.[1][7][8]
For traders, the near-term watchlist is straightforward: ETF flow prints, macro policy headlines, and any schedule-driven crypto regulation developments that can alter volatility expectations before expiry. One recent market note highlighted August as a period of post-Fed positioning, ETF flow sensitivity, and a possible regulatory window around congressional timing, which matters because this market only needs a single qualifying Binance candle to settle yes.[12] In practical terms, that means Polymarket users are pricing not just direction, but whether a brief spike can pierce the target before the window closes.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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'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 Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
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