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Sports Bet Arbitrage on Polymarket: Quick Guide

Sports bet arbitrage means buying complementary outcomes so the combined cost is below $1.00, locking a mathematical edge. On Polymarket that translates to buying YES/NO pairs or full multi-outcome sets when Σ best-ask < $1.00. PolyArb is a non-custodial bot built for this: $99/month, 40ms latency, Telegram + Discord alerts, and a $7.62 minimum guaranteed edge per trade. Arbitrage on Polymarket still carries risks—resolution disputes, partial fills, fees, and settlement timing—so know the mechanics before you trade.

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How sports bet arbitrage actually works

In practice you scan a binary market (e.g., Team A wins) and its complement. If bestAsk(YES) + bestAsk(NO) < $1.00 you can buy both legs and later redeem the winning token for $1.00, locking the difference as edge. For multi-outcome sports markets (win/draw/lose), you buy a complete set when the sum of best asks is under $1.00. Execution speed matters: spreads on Polymarket can vanish in seconds on liquid sports markets, which is why lower latency increases fill probability. PolyArb's 40ms latency gives a practical execution advantage versus free bots with ~800ms latency.

Risks you must consider

Never call an arb trade risk-free. Polymarket uses UMA for resolution; disputes can delay settlement or change outcomes. Orders can partially fill, creating directional exposure. Fees vary by category and taker fees apply. Smart-contract and platform risks exist, and geographic restrictions may prevent trading from some jurisdictions. PolyArb is non-custodial—your pUSD stays in your wallet—but automation does not eliminate these fundamental risks. Factor in fees, relayer timing, and potential tick-size changes near price extremes.

Where PolyArb fits vs other platforms

Searchers comparing Kalshi, PredictIt, Manifold, or sportsbook-based arbs should note PolyArb focuses exclusively on intra-Polymarket arbitrage. Cross-platform arbs are a different workflow with separate custody and regulatory considerations. PolyArb integrates with Polymarket's CLOB, uses the relayer model, and surfaces Telegram and Discord alerts so you can act fast while remaining non-custodial. If you want a tool built for fast, automated capture of intra-Polymarket sports spreads, PolyArb is the specialised option—priced at $99/month and live today.

Practical steps to start

Start with a funded wallet holding pUSD on Polygon. Watch small, liquid sports markets and practice with low size until you understand fill behavior and tick sizes. Use PolyArb's alerts to monitor candidate spreads and keep manual oversight for dispute windows and settlement. Remember to respect Polymarket's geographic restrictions; do not use VPNs to bypass blocks. Monitor fees and adjust position sizing to cover taker costs and settlement timing.

Try PolyArb for sports arb execution

Start a month at $99 to capture intra-Polymarket sports spreads with 40ms latency, Telegram and Discord alerts, and a $7.62 minimum guaranteed edge per trade.

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FAQ

Is sports bet arbitrage truly risk-free on Polymarket?
No. The spread math creates a defined edge, but risks remain: UMA resolution disputes, partial fills, taker fees, settlement timing, and smart-contract/platform risks. Always account for these.
How much does PolyArb cost and what does it provide?
PolyArb costs $99/month. It offers 40ms latency vs ~800ms for free bots, Telegram and Discord alerts, non-custodial execution, and a $7.62 minimum guaranteed edge per trade.
Can I use PolyArb for cross-platform sports arbs?
PolyArb is built for intra-Polymarket arbitrage—buying complementary outcome tokens within Polymarket markets. Cross-platform arbitrage involves different venues and custody models and is outside PolyArb's core scope.

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