What Is Market Replay?

One of my favorite ways to study a trading setup is to replay the market.

Market replay lets you revisit historical price action and examine how a setup developed over time.

Depending on the platform and available data, replay may include trades, footprint information, or historical order-book changes.

For example, I can revisit an NQ breakout and pause at the moment price approaches resistance.

Instead of seeing the finished chart, I can study the information that was available before the outcome became obvious.

This can help reduce hindsight bias and improve decision-making practice.

The quality of replay depends on the historical data available, so I always check what is actually recorded.

The objective is to practice reading the market—not to memorize historical moves.