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VLN Catalyst

Historical Market Replay

Rewind a past session and replay it minute by minute

The Historical Market Replay simulator steps through recorded option-chain snapshots, so you can study how a hypothetical position would have behaved against what the market actually did — without placing a single order.

How the replay works

Choose a recorded session and expiry for NIFTY, BANKNIFTY, FINNIFTY or MIDCPNIFTY, pick a time, and build a multi-leg position from the option chain as it stood at that moment. Then step, jump or auto-play forward and watch the payoff and Greeks update against the stored data.

  • Pick any recorded date, expiry and time
  • Build hypothetical multi-leg option positions
  • See payoff and Greeks at each point in the session
  • Step, jump or auto-play through the day

Learn from what actually happened

Backward-looking study is how many traders build intuition for how option prices respond to moves in the underlying, to the passage of time and to changes in volatility. Replay makes that study concrete, using the market's real path rather than a hypothetical one.

Read-only by design

The simulator only reads stored historical data. It is not connected to order placement and cannot trade. Replayed or hypothetical results do not represent actual trading and are not an indication of future results.

Start every session with structure.

Create a free account, or talk to the team about access.