Holding period impacts the return of your trades.

VWO price moves up 1% or more for 25% of trading days (or every 4 days).
VWO price moves up 2% or more for 9% of trading days (or every 11 days).
VWO price moves up 3% or more for 2% of trading days (or every 63 days).
VWO price moves up 5% or more for 0% of trading days (or every more than 252 days).
VWO price moves up 10% or more for 0% of trading days (or every more than 252 days).

VWO price moves up 1% or more for 42% of trading days (or evry 2 days) if holding the trade for 3 days.
VWO price moves up 2% or more for 21% of trading days (or evry 5 days) if holding the trade for 3 days.
VWO price moves up 3% or more for 7% of trading days (or every 14 days) if holding the trade for 3 days.
VWO price moves up 5% or more for 3% of trading days (or every 32 days) if holding the trade for 3 days.
VWO price moves up 10% or more for 0% of trading days (or every more than 252 days) if holding the trade for 3 days.

VWO price moves up 1% or more for 50% of trading days (or every 2 days) if holding the trade for 5 days.
VWO price moves up 2% or more for 31% of trading days (or every 3 days) if holding the trade for 5 days.
VWO price moves up 3% or more for 18% of trading days (or every 5 days) if holding the trade for 5 days.
VWO price moves up 5% or more for 6% of trading days (or every 17 days) if holding the trade for 5 days.
VWO price moves up 10% or more for 0% of trading days (or every more than 252 days) if holding the trade for 5 days.

VWO price moves up 1% or more for 75% of trading days (or every 1 days) if holding the trade for 22 days.
VWO price moves up 3% or more for 65% of trading days (or every 2 days) if holding the trade for 22 days.
VWO price moves up 3% or more for 58% of trading days (or every 2 days) if holding the trade for 22 days.
VWO price moves up 5% or more for 39% of trading days (or every 3 days) if holding the trade for 22 days.
VWO price moves up 10% or more for 8% of trading days (or every 12 days) if holding the trade for 22 days.