Guide
7 min read

Prediction Market Arbitrage Opportunities: Risk-Free Profits

Learn how to find and execute arbitrage opportunities on Kalshi and Polymarket prediction markets for guaranteed profits.

What is Prediction Market Arbitrage?

Arbitrage is exploiting price differences to guarantee profit regardless of outcome.

Types of Prediction Market Arbitrage

1. Bracket Arbitrage

When YES + NO prices in a market sum to less than $1:

Example:

  • YES trading at $0.45
  • NO trading at $0.45
  • Total: $0.90
  • **Buy both**: Guaranteed $0.10 profit

2. Cross-Market Arbitrage

When related markets have inconsistent pricing:

Example: S&P closing ranges

  • ">5000" at $0.60
  • ">5050" at $0.55

These should have a logical relationship.

3. Time-Based Arbitrage

Price differences between contracts with different expiries on same underlying.

Finding Arbitrage

  • Monitor multiple markets simultaneously
  • Use limit orders to capture spreads
  • Act fast - opportunities disappear quickly

Reality Check

Pure arbitrage is rare and competitive. Most opportunities are small or require large capital. Focus on value betting for more consistent returns.

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