Holding period impacts the return of your trades.

GRPN price moves up 1% or more for 49% of trading days (or every 2 days).
GRPN price moves up 2% or more for 44% of trading days (or every 2 days).
GRPN price moves up 3% or more for 37% of trading days (or every 3 days).
GRPN price moves up 5% or more for 24% of trading days (or every 4 days).
GRPN price moves up 10% or more for 11% of trading days (or every 9 days).

GRPN price moves up 1% or more for 56% of trading days (or evry 2 days) if holding the trade for 3 days.
GRPN price moves up 2% or more for 52% of trading days (or evry 2 days) if holding the trade for 3 days.
GRPN price moves up 3% or more for 48% of trading days (or every 2 days) if holding the trade for 3 days.
GRPN price moves up 5% or more for 40% of trading days (or every 3 days) if holding the trade for 3 days.
GRPN price moves up 10% or more for 26% of trading days (or every 4 days) if holding the trade for 3 days.

GRPN price moves up 1% or more for 60% of trading days (or every 2 days) if holding the trade for 5 days.
GRPN price moves up 2% or more for 58% of trading days (or every 2 days) if holding the trade for 5 days.
GRPN price moves up 3% or more for 52% of trading days (or every 2 days) if holding the trade for 5 days.
GRPN price moves up 5% or more for 50% of trading days (or every 2 days) if holding the trade for 5 days.
GRPN price moves up 10% or more for 37% of trading days (or every 3 days) if holding the trade for 5 days.

GRPN price moves up 1% or more for 79% of trading days (or every 1 days) if holding the trade for 22 days.
GRPN price moves up 3% or more for 79% of trading days (or every 1 days) if holding the trade for 22 days.
GRPN price moves up 3% or more for 78% of trading days (or every 1 days) if holding the trade for 22 days.
GRPN price moves up 5% or more for 75% of trading days (or every 1 days) if holding the trade for 22 days.
GRPN price moves up 10% or more for 67% of trading days (or every 2 days) if holding the trade for 22 days.