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Pittsburgh Pirates vs. Milwaukee Brewers

How the on-chain market is pricing "Pittsburgh Pirates vs. Milwaukee Brewers" right now, plus comparison with Kalshi, Betfair and Manifold.

1st 5 Innings O/U 2.5 67% O/U 6.5 56% 1st 5 Innings O/U 3.5 51% Pittsburgh Pirates vs. Milwaukee Brewers 46% Volume: $97K Liquidity: $1.2M Closes: 12 Aug 2026
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Pittsburgh Pirates vs. Milwaukee Brewers

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via BTC Prediction) Pick
polygram.ink (preferred broker)
67% 33% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open live market →
Polymarket (direct)
polymarket.com
67% 33% 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.

OutcomeProbability
1st 5 Innings O/U 2.567%
O/U 6.556%
1st 5 Innings O/U 3.551%
Pittsburgh Pirates vs. Milwaukee Brewers46%
O/U 7.545%
NRFI40%
1st 5 Innings O/U 4.537%
O/U 8.537%
Spread -1.536%
Spread -1.533%
1st 5 Innings Spread -1.531%
1st 5 Innings O/U 5.527%
Spread -2.526%
1st 5 Innings Spread -1.525%
Spread -2.523%
1st 5 Innings O/U 6.519%
Extra Innings10%

Market context

The Pirates–Brewers game is a straight single-game settlement on the final official result, so the 46% YES price is best read as a live view of Milwaukee’s edge rather than a season-long forecast. Milwaukee entered the matchup with a 97-65 record and was on a one-game winning streak, while Pittsburgh had been below .500 and had gone 4-6 over its last 10, with a weaker run differential and higher team ERA in that stretch.[1][3] The Brewers also won the previous night 4-2, and the series had already shown some volatility: Pittsburgh had taken six of the first seven meetings before that result, which helps explain why the market is not priced closer to a coin flip despite Milwaukee’s stronger overall profile.[2][7]

Recent comparable meetings show that head-to-head form has moved around quickly, but the Brewers have generally been the more stable side over longer samples. Milwaukee’s broader record against Pittsburgh over the last two decades has been strong, even though the Pirates had caused problems in this season’s series, and prior meetings have swung from blowouts to low-scoring games.[8][9][18] For prediction-market traders, that matters because USDC-settled contracts like this one can reprice sharply on a single lineup change, late scratch, or pitching update, while the underlying event still resolves only on the completed game and not on pre-game sentiment.

The main catalysts to watch are the official starting pitchers, late team news, and any delay risk that could push completion beyond the usual window, because postponed games stay open until finished and a cancellation would force a 50-50 resolution under the market rules. Milwaukee’s scheduled starter Logan Henderson had been one of the more efficient pieces in the rotation, with the Brewers 7-2 in his starts, while Pittsburgh’s Jared Jones had recently been working deeper into outings, so any pre-game change to either arm would be material to pricing.[19] If you are tying the market to broader crypto positioning, the relevant link is not baseball fundamentals but liquidity: a late move in BTC or ETH can shift risk appetite across USDC markets, yet the contract itself still settles only off the baseball result.

Sources: 1 · 2 · 3 · 4 · 5

Live Data & Statistics

The Polymarket order book prices 1st 5 Innings O/U 2.5 at 67% for "Pittsburgh Pirates vs. Milwaukee Brewers".

1st 5 Innings O/U 2.5 67% Other 33%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $97K.

Methodology

This page reads Pittsburgh Pirates vs. Milwaukee Brewers on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

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.

UK Frequently Asked Questions

Why USDC and not ETH or USDT?
USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
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.
Is Polymarket legal in the UK?
Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
Do I pay tax on prediction market profits in the UK?
UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
How do I deposit on Polymarket from the UK?
UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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