The risks of prediction market arbitrage

Settlement risk is the big one

The whole trade depends on both legs paying out on the same event. If the two markets resolve on different sources, different dates, or different definitions, you are not hedged — you are holding two separate directional positions that can both lose.

Execution and liquidity risk

Read both sets of resolution criteria before assuming a pair is equivalent. Automated matching, including ours, is a starting point, not a guarantee.

Capital, cost, and timing risk

Platform availability differs by country and can change. Accounts can be restricted, markets can be voided or re-settled, and access rules for a given jurisdiction may shift while your capital is committed. Custody risk also differs: a regulated exchange and an on-chain venue carry different failure modes.

Platform and regulatory risk

Prediction Pantheon is an information and comparison service. Nothing here is investment advice, and gaps flagged in the feed are labelled beta because market matching is imperfect.

Frequently asked questions

Is prediction market arbitrage risk-free? No. Even a perfectly matched pair carries execution, fee, capital-lockup, platform, and regulatory risk. Mismatched resolution rules can turn a supposed hedge into two losing positions.

Why do arbitrage opportunities persist if they are real? Usually because they are not fully real: costs, thin liquidity, regional access limits, or subtly different settlement rules stop them being captured cheaply.

Can I practise before risking money? Yes. Prediction Pantheon includes a free virtual practice portfolio so you can place simulated trades and follow markets to resolution without depositing funds.

Keep reading

Compare live prediction markets across platforms, or continue in the learning hub.