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Polymarket traders: how they find and capture arbitrage

Polymarket traders are participants who buy and sell outcome shares on Polymarket's CLOB to profit from price discrepancies. Many focus on intra-market arbitrage — buying complementary outcomes when the sum of best asks is below $1.00. PolyArb automates that process with a $7.62 minimum guaranteed edge per trade, 40ms latency vs ~800ms for free bots, and live alerts in Telegram and Discord.

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How Polymarket arbitrage actually works

Arbitrage on Polymarket is often intra-market: in a binary market you buy both YES and NO when bestAsk(YES) + bestAsk(NO) < $1.00, or in multi-outcome markets you buy a complete set when Σ bestAsk(outcomes) < $1.00. The mathematical edge equals $1.00 minus that sum. Execution speed and order fill behaviour determine real profit after fees and partial fills.

The trading currency on Polymarket is pUSD on Polygon. Orders route through the CLOB and are matched by the Exchange contract. Polymarket sponsors gas via the Relayer, and maker fees are zero while taker fees vary by category.

Practical constraints every trader faces

Latency, tick size, and taker fees are the main frictions. Tick size usually sits at $0.01 and tightens near extremes, which can limit tiny edges. Taker fees vary (0%–1.8%), so you must net them out before trading.

Other risks include resolution disputes via UMA, settlement timing, slippage from partial fills, and smart-contract risk. Never treat a found spread as risk-free without accounting for these factors.

Where PolyArb helps Polymarket traders

PolyArb is a non-custodial bot that watches Polymarket markets and routes FAK orders to capture intra-market arbitrage. It guarantees a $7.62 minimum edge per trade, offers 40ms latency compared with ~800ms for free bots, and sends Telegram + Discord alerts for fills and opportunities.

Pricing is $99/month. The product is live today and aimed at traders who need automated, low-latency execution and clear monitoring without handing over custody of funds.

Comparisons and when to consider alternatives

If you’re comparing to cross-platform tools (Kalshi, PredictIt, Manifold) remember PolyArb focuses solely on intra-Polymarket arbitrage and the CLOB mechanics. Cross-platform strategies can persist longer but involve additional custody, settlement, and regulatory differences.

Choose PolyArb when you want automated, fast execution on Polymarket itself and you accept the tradeoffs of intra-market arb: small, frequent captures that require tight execution and risk controls.

Start capturing Polymarket edges with PolyArb

Subscribe to PolyArb for $99/month to get 40ms execution, a $7.62 minimum guaranteed edge per trade, and real-time Telegram and Discord alerts while keeping custody of your funds.

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FAQ

Who are typical Polymarket traders?
Typical Polymarket traders include speculators, liquidity providers, and arbitrageurs. Arbitrageurs focus on intra-market opportunities where summed prices fall below $1.00; liquidity providers place limit orders to earn spreads and maker rebates.
Does PolyArb custody my funds?
No. PolyArb is non-custodial: it automates on-chain operations via your wallet and the Polymarket Relayer. You retain control of pUSD and only sign the transactions required for order placement and CTF actions.
What risks do Polymarket traders face?
Key risks are resolution disputes via UMA, settlement timing, slippage and partial fills, taker fee variability, tick-size constraints, and smart-contract risk. These must be factored into any edge calculation.
How much does PolyArb cost and what does it include?
PolyArb costs $99/month and includes low-latency execution (40ms), a $7.62 minimum guaranteed edge per trade, non-custodial automation, and Telegram + Discord alerts. It is live today.

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