Colts vs. Patriots

Platform comparison

Market context

The Indianapolis Colts face the New England Patriots in a preseason National Football League matchup on 13 August at 19:30 ET. This is a non-conference encounter during the NFL's four-week exhibition schedule, when rosters remain fluid and coaching staff rotate personnel extensively to evaluate depth charts and younger players. Preseason games carry substantially different dynamics from regular-season contests: starting lineups often play limited snaps, injury risk management influences play-calling, and competitive intensity varies markedly between teams prioritising different developmental objectives.

Preseason betting markets historically centre on roster composition and injury status rather than seasonal form. The Patriots have undergone significant quarterback transition following Tom Brady's departure, whilst the Colts have maintained relatively stable offensive infrastructure. Recent preseason outcomes show high variance—exhibition results correlate weakly with subsequent regular-season performance, making historical head-to-head records less predictive than in-season matchups. The 50-50 implied probability reflects genuine uncertainty inherent to preseason contests where marginal roster decisions and injury management protocols substantially influence outcomes.

Traders monitoring this market should track official injury reports released 24 hours before kickoff, as preseason rosters frequently shift based on player availability. Coaching staff announcements regarding starter participation—particularly confirmation of how many snaps key players will receive—materially affect game flow and final margins. Weather conditions at the venue warrant attention, as preseason games proceed regardless of conditions that might influence regular-season decision-making. Conditional order logic could usefully trigger on injury announcements or explicit coach statements about starter deployment, allowing programmatic position adjustments before market-wide repricing occurs.

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi Fees, which mirrors the Polymarket order book directly.

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

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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'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 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.

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.