Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
54% | 46% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
54% | 46% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
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 PolyGram.
Active sub-markets
| Athletics vs. San Diego Padres | 54% YES | 47% NO |
| NRFI | 47% YES | 53% NO |
| Spread -1.5 | 31% YES | 70% NO |
| O/U 8.5 | 45% YES | 56% NO |
| Spread -3.5 | 14% YES | 86% NO |
| Spread -2.5 | 22% YES | 79% NO |
Market context
The Oakland Athletics travel to San Diego on 23 May for a late evening fixture against the Padres, with Polymarket currently pricing the Athletics at 54% implied probability of victory. The conditional token structure on Polygon means traders holding YES tokens gain value if Oakland wins, whilst USDC settlement occurs against official MLB final statistics. The 9:40 PM ET start time places the game in Pacific timezone, reducing weather disruption risk but extending the settlement window into early morning hours for East Coast traders.
Oakland's 2024 season trajectory provides the most relevant historical benchmark. Last year the Athletics finished with the worst record in baseball at 52–110, and whilst roster composition has shifted, the franchise remains in a rebuilding phase with limited playoff contention pressure. San Diego, conversely, finished 2024 at 82–80 and competes within the competitive NL West. Head-to-head records between these clubs over recent seasons show the Padres with structural advantages in both pitching depth and offensive consistency, though individual game outcomes remain volatile.
Traders should monitor starting pitcher announcements, typically confirmed 24–48 hours before game time, as rotation decisions materially shift win probabilities. Recent injury updates from either roster could trigger repricing, particularly if key position players are unavailable. Weather conditions at Petco Park on game day warrant tracking, though May conditions in San Diego rarely produce postponements. The settlement window extends to 31 May, providing buffer time for any rescheduling, though this also means traders holding positions face extended capital lock-up if the game is delayed.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
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?
- PolyGram 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.
- 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.
- 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, PolyGram triggers a quick verification flow that finishes in 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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