Many traders attempt to find the single-most "robust" trading strategy possible by looking for one set of rules which works for all markets. Such systems don

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Many traders attempt to find the single-most "robust" trading strategy possible by looking for one set of rules which works for all markets. Such systems don’t take into account the fact that markets can change quickly and dramatically due to a news event, according to Perry Kaufman.

Trader A has a win percentage of 75% on all trades while trader B has a win percentage of closer to 40% on all trades. Which trader is more profitable? Of course we can't answer that as we don't know how much each trader makes when they are right compared...