What you actually keep

Papertrade charges nothing on losses and takes its cut from wins: a 0.2 bps deadband, the asymmetric impact haircut, then a 2% win fee. Liquidation forfeits all margin about 5 bps before true zero.

Notional
$10,000
Price move
0.477%
Raw PnL
$47.73
Bust price
83,003.9
close there returns ~5% of margin; liquidation returns 0

Winning close

Raw gain$47.73
Deadband (0.2 bps of entry)−$0.20
Impact haircut (keep 86.6% of remaining)−$6.39
Win fee 2%−$0.82
You receive$40.32 (84.5% of raw)