When call is expired, fee send to admin/DAO may even higher than premium, cause short call position is in loss.
When short call position expired, owners might want to withdraw their funds back. But they have to pay an amount of fee to admin/DAO which is calculated using strike amount even though the order is not exercised.
The result is in some case, the fee to admin may even higher than premium, cause owners of short call position in loss.
Judge has assessed an item in Issue #253 as Medium risk. The relevant finding follows: