Which of the following is true?

Group of answer choices

Expected shortfall is always less than value at risk

In a historical simulation with 1000 scenarios, the 99% expected shortfall is the tenth worst loss.

In a historical simulation with 1000 scenarios, the 99% VaR is the average of the ten worst losses.

Expected shortfall is sometimes greater than value at risk and sometimes less

Expected shortfall for a ten-day period is greater than for a five-day period.