Yesterday is a good example. The first two trades are the same trade, entered at the same time (trading 2 lots). The first shows MAE of 0 and the second shows MAE of -1.5. In looking at the chart with trade markers (below) the -1.5 is probably correct as it looks like there was a very quick move and a delay in the fill of the stop resulting in positive slippage. however the MAE for the first trade says 0 which isn't possible.
Trades 3 & 4 are the same trade, it has MAE of 3 ticks but is reported 2 in the account perf:
Here are trade markers for the first two trades:
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