Historical Replay: Practice on Past Markets

Historical Replay in the CleaRank Trading Simulator plays past price action on the chart one bar at a time, at speeds from 1x to 60x. Everything after your current point in the history stays hidden until it arrives, so you can practice reading a chart bar by bar. Replay is chart playback only: it does not fill practice orders against the replayed tape.

Why replay matters

Chart-reading skill comes from repetitions, and live markets hand them out slowly: one open per day, a few clean setups per week. Replay compresses that. Because the bars ahead stay hidden until they play, you meet each candle the way you would have met it live, without knowing what comes next, which is something scrolling back through a finished chart can never give you.

What replay does and does not do

Replay drives the chart and nothing else. Orders are not filled against the replayed bars, positions do not open or close, and your virtual practice balance is untouched. Live price updates are paused while replay is running, so new prices cannot jump onto the chart you are studying.

That boundary is deliberate, and it decides how the feature is best used. Replay trains the read, which is deciding what you would do and why. To practice the execution itself, the order types, the bracket, the exit management, you exit replay and place orders in the live simulator, which is covered in Placing orders.

Starting a replay

1. Open the chart. In the Trade tab, load the symbol and timeframe you want to practice on. Replay uses whatever timeframe the chart is already on, so choose it first.
2. Start replay. The Replay control sits on the chart toolbar, and the R key opens it too. The chart loads 500 bars at the current timeframe.
3. Pick your starting point. Playback begins about 20 percent into that history, so there is visible history to read from the very first bar. Use the scrubber to move somewhere else in the window. Everything after that point stays hidden.
4. Play. Bars appear one at a time, one full bar per step. Read each candle, commit to a view, then let the next bars confirm or embarrass it.

The playback controls

• Play and Pause: run the playback or freeze it while you think. The space bar toggles between the two.
• Step forward: advance exactly one bar. This is the core control for deliberate practice: pause, predict, step, compare.
• Step back: move one bar the other way to re-examine the candle you just passed.
• Speed: 1x, 2x, 4x, 10x and 60x. Low speeds suit candle-by-candle work, and 60x skims quiet stretches to reach the next interesting area.
• Scrubber: jump to any point in the loaded 500-bar window.
• Reset: restart the same window from the beginning for a second pass.
• Exit: leave replay and return the chart to the live market.

The end-of-replay summary

When the window runs out, a summary appears. It describes the price window you just watched, not your trades.

It shows the number of bars replayed, the percent change across the window, the opening price, the closing price, the session high, the session low, and the start and end timestamps, with buttons to replay the same window again or to exit. There is no profit and loss in it, and there are no trade statistics, because replay does not fill orders.

Read the percent change as a measure of whether the window was worth practicing on. A window that barely moved teaches you very little about trend management or about holding a winner, so pick a more active period and run it again. A large move tells you the window had something in it to manage, which is what makes the rehearsal worth the time.

Rehearsing the read

Because replay cannot fill an order, the discipline it trains is the one that comes before the order: deciding, in advance and in writing, what you would do.

Write the plan down before you press play. Name the level you would enter at, where the stop would sit, what would invalidate the idea, and where you would take profit. Then step the bars forward and mark, honestly, where each of those decisions would have landed. Compare the written plan against what the market actually did afterward.

The value is in the gap between the two. Entries that look obvious in hindsight usually turn out to have been ambiguous at the time, and stops that felt generous usually turn out to have sat exactly where the market probed. When the plan and the outcome disagree, the note you write about why is worth more than the replay itself, and it belongs in your Trade Journal.

Practice ideas

• Pattern reps. Pick one pattern you are studying, flags, ranges, failed breakouts, and step through historical examples at 1x until you can name it before the confirmation bar arrives.
• Timeframe pairing. Replay a period on 1H, then load 5M and replay it again to feel how one move looks at different resolutions.
• Event studies. Replay windows around known volatile days to practice keeping composure when bars get large.
• Second pass. Press Reset and run the same window again after writing your notes, then check whether the second read is genuinely better or merely remembered.

Frequently asked questions

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CleaRank tools are for education and analysis. Nothing in this guide is financial advice.