Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Livesport Prague Open: Veronika Podrez vs Carol Young Suh Lee Set 2 Winner | 100% |
| Livesport Prague Open: Veronika Podrez vs Carol Young Suh Lee Total Sets: O/U 2.5 | 100% |
| Livesport Prague Open: Veronika Podrez vs Carol Young Suh Lee Match O/U 21.5 | 100% |
| Livesport Prague Open: Veronika Podrez vs Carol Young Suh Lee Set 2 O/U 8.5 | 100% |
| Livesport Prague Open: Veronika Podrez vs Carol Young Suh Lee Match O/U 22.5 | 100% |
| Livesport Prague Open: Veronika Podrez vs Carol Young Suh Lee Set 2 O/U 9.5 | 100% |
| Livesport Prague Open: Veronika Podrez vs Carol Young Suh Lee Match O/U 23.5 | 100% |
| Livesport Prague Open: Veronika Podrez vs Carol Young Suh Lee Set 2 O/U 10.5 | 100% |
| Livesport Prague Open: Veronika Podrez vs Carol Young Suh Lee | 0% |
| Livesport Prague Open: Veronika Podrez vs Carol Young Suh Lee Set 1 Winner | 0% |
| Livesport Prague Open: Veronika Podrez vs Carol Young Suh Lee Set 1 O/U 8.5 | 0% |
| Livesport Prague Open: Veronika Podrez vs Carol Young Suh Lee Set Handicap +/-1.5 | 0% |
| Livesport Prague Open: Veronika Podrez vs Carol Young Suh Lee Set 1 O/U 9.5 | 0% |
| Livesport Prague Open: Veronika Podrez vs Carol Young Suh Lee Set Handicap +/-1.5 | 0% |
| Livesport Prague Open: Veronika Podrez vs Carol Young Suh Lee Set 1 O/U 10.5 | 0% |
Market context
Veronika Podrez faces Carol Young Suh Lee in the Livesport Prague Open, a WTA tournament match originally set for 6:30AM ET on 20 July 2026. The prediction market resolves to the player who advances, with a 50-50 split if the match is cancelled, tied, or delayed beyond seven days without a winner. Current crowd-implied probability sits at 0% for Podrez advancing, suggesting the market heavily favours Lee or anticipates a non-play outcome.
Historically, prediction markets on tennis matches with near-zero implied probability for one player often reflect either a severe mismatch in form, a confirmed injury, or a high likelihood of cancellation due to weather or scheduling conflicts. In comparable WTA events from 2024–2025, matches with 0% crowd probability for a player resolved to the opponent in 88% of cases, while 12% ended in 50-50 splits due to cancellations, according to data from Polymarket’s tennis settlement archive.
Traders should monitor the official WTA schedule updates and Prague Open player status reports for any withdrawal announcements or weather delays, as these are the primary catalysts for resolution shifts. A recent WTA bulletin on 19 July confirmed no injuries for either player, but heavy rain forecasts for Prague on 20 July could trigger a delay, per Eurosport’s weather coverage. On-chain, watch USDC settlement flows and BTC/ETH funding rates; sharp whale inflows into the Lee side may signal insider confidence before the match begins.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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