Historical tests of filter rules indicate that:
A) several filters were profitable before commissions, but not after.
B) several filters were profitable before and after commissions.
C) no filters were profitable even before commissions.
D) all filters were profitable before commissions, but not after.

Question

Quizplus · Accepted Answer

Historical tests of filter rules often show that while some filters may appear profitable before accounting for transaction costs like commissions, these profits typically disappear once such costs are considered.

Historical Tests of Filter Rules Indicate That