Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ↓ 65,000 | 100% |
| ↑ 73,000 | 0% |
| ↑ 72,000 | 0% |
| ↑ 71,000 | 0% |
| ↑ 70,000 | 0% |
| ↑ 69,000 | 0% |
| ↑ 68,000 | 0% |
| ↑ 67,000 | 0% |
| ↑ 66,000 | 0% |
| ↓ 64,000 | 0% |
| ↓ 63,000 | 0% |
| ↓ 62,000 | 0% |
| ↓ 61,000 | 0% |
| ↓ 60,000 | 0% |
| ↓ 59,000 | 0% |
| ↓ 58,000 | 0% |
Market context
Bitcoin must trade to the relevant strike level on 8 August, so the cleanest way to read this market is as a timestamped spot-price check rather than a directional thesis. On the available price feeds, Bitcoin was trading around **$64.9k** on 8 August 2026, with Yahoo Finance showing a close of **$64,932.57** and Investing.com showing **$64,940.8**; that leaves the current crowd-implied **0% YES** consistent with a strike that the market sees as already out of reach or mis-specified at the present price. [1][2]
For comparable cases, the useful frame is to compare the market’s strike against recent daily ranges and the month’s realised volatility, not against longer-term headlines. Bitcoin’s 8 August 2026 session sat near the middle of a narrow band, with an intraday high of **$65,010.57** and low of **$64,800.72** on Yahoo Finance, while OpenBitcoin’s August history shows a similar range in the prior sessions, with 7 August closing at **$64,878** after trading between **$64,114** and **$65,332**. [1][3] For a trader using bots or conditional orders, that means the practical question is whether the programmed trigger can realistically catch a one-day move beyond the strike before the settlement clock closes.
The catalysts to watch are the usual ones that can force a late move through a fixed level: US macro prints, ETF flow updates, exchange outages, and any large spot or derivatives liquidation cascade. In a tooling workflow, the relevant checks are live spot feeds, order-book depth, funding rates, and whether execution logic is tied to UTC or exchange-local timestamps; Robinhood’s own event page shows how tightly these markets are time-boxed around the exact settlement moment. [5] With Bitcoin still near **$65k** across multiple feeds, the decisive input is not long-run narrative but whether scheduled releases or an abrupt volatility spike arrive before the market’s cut-off. [4][7]
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
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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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