If part of the 200 paid for your long position in the share was paid for with a margin loan, then you may only have put 40 of equity in the account with the rem

If part of the 200 paid for your long position in the share was paid for with a margin loan, then you may only have put 40 of equity in the account with the remaining 160 paid for with a loan. You're exposed to a maximum loss of 200.