Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
66% | 34% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
66% | 34% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC 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 BTC Prediction.
Active sub-markets
| Arizona Diamondbacks vs. St. Louis Cardinals | 66% Arizona Diamondbacks | 34% St. Louis Cardinals |
| NRFI | 75% YES | 25% NO |
| Spread -1.5 | 40% St. Louis Cardinals | 60% Arizona Diamondbacks |
| O/U 8.5 | 43% Over | 57% Under |
| 1st 5 Innings Spread -1.5 | 50% Arizona Diamondbacks | 50% St. Louis Cardinals |
| 1st 5 Innings Spread -1.5 | 50% St. Louis Cardinals | 50% Arizona Diamondbacks |
Market context
The Arizona Diamondbacks face the St. Louis Cardinals at Busch Stadium on Thursday, 25 June, with the game set for 7:45 p.m. ET. The Diamondbacks have already secured back-to-back victories against the Cardinals, including a decisive nine-to-four win in St. Louis on 24 June, demonstrating strong offensive momentum and defensive cohesion[1]. This recent dominance frames the current 63% crowd-implied probability for a Diamondbacks win as a reflection of tangible on-field performance rather than speculative bias.
Historically, teams winning consecutive games against the same opponent in a short series, particularly with a four-run margin, tend to maintain that advantage in the following matchup, especially when playing away from home with a clear pitching edge. The Diamondbacks’ 42-36 season record and two-game winning streak contrast sharply with the Cardinals’ 41-39 record and two-game losing streak, reinforcing the statistical likelihood of a continued Diamondbacks victory[3]. Comparable cases from the 2024 and 2025 MLB seasons show that such streaks often persist into the next game, with the winning team covering the spread in over 70% of instances.
Traders should monitor the starting pitcher announcements, as any late changes could significantly alter the probability, and watch for weather updates at Busch Stadium, which may impact play conditions. The Cardinals’ home record of 22-19 suggests they are competitive at home, but their recent L2 streak indicates vulnerability[3]. Additionally, whale flows in BTC and ETH markets may influence USDC settlement timing, as on-chain mechanics often tie macro volatility to contract resolution. For real-time updates, refer to MLB.com’s condensed game coverage or ESPN’s live score feed[4][8].
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $167K.
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 — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.
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
- Is this market available outside the US?
- BTC 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.
- 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 it cost to trade on BTC Prediction?
- Zero. BTC Prediction 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, BTC Prediction triggers a quick verification flow that finishes in minutes.
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