Patrick J. Collins, Ph.D., CFAInvestors withdrawing money from their portfolios are often concerned about the "probability of ruin," where ruin is defined as the depletion of the portfolio prior to either a fixed date, or prior to a random date...

Patrick J. Collins, Ph.D., CFAInvestors withdrawing money from their portfolios are often concerned about the "probability of ruin," where ruin is defined as the depletion of the portfolio prior to either a fixed date, or prior to a random date...