The price moved through the halt before the close landed. The wallet came back $600 under the line.
Wallet at the close
$10,400
Your capital
paid in full
−$10,000
Your bonus
$200 short of $600
−$400
Arlo's fee
gone before your bonus was touched
$0
The Trader keeps
gone first
$0
Your capital is last in the queue to lose.
$250 of the Trader's money goes, then Arlo's whole $150 fee, then your bonus. Only past all three does your $10,000 take anything - and it did not here.
Risks ↗What the wallet had left came home to your account - nothing to claim.