The IBKR Activity Statement uses FIFO accounting, whereas the T5008 uses average cost accounting. This will cause a difference in the figures for Realized Profit and Loss.
The Annual Report does not match the Form T5008.
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Why is my realized P&L different in TWS than my statement?
Non-US persons and entities: What statements do we offer at the end of the year?
Is the cost basis for FX cash pair trades FIFO?
Does my T5008 factor in adjusted cost basis?