Your journal tells you where you got in, where you got out and what you made or lost. It doesn't show you much of what happened in between.
Watch the trade the way you traded it
Open a trade in your journal and click Review. It opens the chart a little before your entry and plays the trade forward. You can see each entry and exit on the chart and follow the trade the same way you would have while it was open.
Example: a demo account's META long from Sep 29, 2026, replayed.
I'd pay attention to the things that are easy to miss when you're just looking at the result. How far did price go against you after you entered? Did it get close to your stop? If you added or took some off, what happened next? And when you exited, was that actually where you planned to get out?
A winning trade doesn't mean every decision was good. The same goes the other way. You can lose money on a trade you managed exactly the way you intended.
Keep the replay running after your exit
When you reach your exit, press Replay from here and keep going.
Maybe you sold and price ran another $8. Maybe it reversed two bars later. Neither one automatically makes your exit good or bad, but it gives you more information than stopping your review the second the trade closes.
If you keep seeing the same thing across a bunch of trades, then you have something worth digging into. Maybe you're consistently taking profits too early. Maybe the extra room you thought you should give trades doesn't help at all.
One trade won't answer that, but it tells you what to test.
Redo it with one change
Press Redo in replay and TraderPier goes back to a few bars before your original entry. You're flat again with no open orders.
Now try whatever you wanted to do differently. Enter earlier or later. Use a different stop or target. Take some off instead of closing the whole position. Or make the exact same trade and change only the part you're trying to test.
You're doing it on the same bars, so you can compare what you actually did with the change you had in mind.
Example: the same demo-account META trade, replayed with paper money.
The redo bought 100 shares at $726.93 on the 1:30 PM bar and sold at a $733.46 target on the 2:00 PM bar.
Redo: +$651.98 Original: +$774.98
In this case, the redo made less.
That's fine. Redo isn't there to prove that your second idea was better. If you thought a different target would have improved the trade and it actually made less, you learned something.
What you can do on a free account
Reviewing a trade is free. Replay from here and Redo in replay each start a market replay, and free accounts get three replays per day using the last 30 days of market data.
The Trader plan includes one year of replay data with no daily replay limit. There's more on Market replay.
Compare the redo with the original
The redo is added to your journal when it closes and marked Replay, so you can compare it with the original.
You might be testing a different entry, a wider stop, a later exit or a different way of scaling out, taking the position off in pieces. Whatever it is, keep the change specific. If you change five things at once and the redo makes more money, you still don't know which change mattered.
Do the same thing across more trades from the same setup and it starts becoming useful. Instead of thinking, "I probably should have held these longer," you can actually test what happens when you do.
Whether the change helps or not, you find out before you change how you trade.