See chart.
(Written in white)
Normally I wouldn't have a stop in place for a major
index that's down 60%.. SO IF YOU ARE NOT
USING LEVERAGE and can sustain a maximum
likely drawdown of 40% on this position, just hold it.
(e.g. Assuming a portfolio value of 50k
(a portfolio value of this size cannot
afford the futures - you'd need the ETF), invest 5k
and...