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Crypto Arbitrage Bots for Polymarket Traders

Crypto arbitrage bots scan markets for price imbalances and execute offsetting trades to capture the spread. For Polymarket specifically, intra-market arbitrage means buying a complete set of outcomes when their summed asks are less than $1.00. PolyArb is a production bot that targets those opportunities with 40ms latency, Telegram and Discord alerts, and a $7.62 minimum guaranteed edge per trade. It’s non-custodial and live today.

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How crypto arbitrage bots work on Polymarket

On Polymarket the CLOB exposes best bids and asks for each outcome. An intra-market arbitrage bot looks for when the sum of best asks across all outcomes is below $1.00 and then buys the complete set. The arithmetic difference between $1.00 and that sum is the raw edge before fees and slippage. After resolution, winning outcome tokens are redeemed for $1.00 each via CTF redeeming.

Execution speed matters. Spreads on Polymarket can close in seconds; faster bots win more trades. PolyArb advertises 40ms latency versus approximately 800ms for free bots, reducing missed fills and partial fills. Always account for taker fees, UMA resolution risk, and potential partial fills when evaluating realized profit.

What to watch for: risks and practical limits

Never call an arbitrage trade categorically risk-free. Risks include UMA disputes that delay or change settlement, slippage or partial fills on the CLOB, fee changes, and smart-contract or settlement timing risk. Geo restrictions and Polymarket’s fee schedule also affect opportunity availability.

Practical limits include market liquidity, tick size (usually $0.01, tighter near price extremes), and builder-relayer daily limits unless you join the Builder Program. PolyArb’s product messaging notes a guaranteed minimum edge per trade, but traders must still manage order sizing and exposure.

How PolyArb compares to other approaches

Cross-platform arbitrage (between Polymarket and other exchanges like Kalshi or PredictIt) is a different strategy and outside PolyArb’s core offering, which focuses on intra-Polymarket opportunities. Those other venues have different settlement mechanics, regulatory constraints, and latency profiles.

PolyArb is positioned as a turnkey, non-custodial solution for Polymarket intra-market arb: $99/month, live today, with low-latency execution, alerts, and a stated $7.62 minimum guaranteed edge. If you need cross-exchange tooling, you should evaluate multi-platform bots separately.

Getting started and where this fits in your toolkit

If you already trade prediction markets, add an arb bot as a complement to your manual strategies. Start small, monitor fills and alerts, and verify settlement flows (split/merge/redeem) on Polygon using pUSD. Keep track of taker fees and any category-specific fee exemptions.

PolyArb is designed to be plug-and-play: non-custodial execution, Telegram and Discord notifications, and production latency optimised for capturing short-lived spreads. Use it alongside your risk controls and never rely on mathematical edge without accounting for the listed risks.

Start capturing Polymarket spreads with PolyArb

Sign up for PolyArb to get 40ms execution, Telegram and Discord alerts, and a $7.62 minimum guaranteed edge per trade. It’s non-custodial and live today.

Get the bot — $99/mo

FAQ

What are crypto arbitrage bots?
Crypto arbitrage bots are automated programs that detect price mismatches and execute offsetting trades to capture the spread. On Polymarket they commonly buy a complete set of outcome shares when summed asks are below $1.00.
Is Polymarket arbitrage really profitable?
Arbitrage can be profitable historically — traders extracted roughly $40M from Polymarket between April 2024 and April 2025 — but profitability depends on latency, fees, liquidity, and resolution risk. Account for partial fills, taker fees, and UMA disputes.
How does PolyArb differ from free bots?
PolyArb emphasises lower latency (40ms vs ~800ms for many free bots), non-custodial execution, Telegram and Discord alerts, and a $7.62 minimum guaranteed edge per trade. It’s a paid, production-grade service priced at $99/month.
Can I use PolyArb for cross-platform arbitrage?
PolyArb focuses on intra-Polymarket arbitrage. Cross-platform strategies (Polymarket vs Kalshi, PredictIt, Manifold, etc.) have different mechanics and are outside PolyArb’s core offering.

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