Validate a price on its own, returning the tick-snapped value. Snapping is unchanged; the only addition is rejecting a non-finite price, which otherwise snaps to NaN and then passes an absent band as if it were a real level.
Validate a price on its own, returning the tick-snapped value. Snapping is unchanged; the only addition is rejecting a non-finite price, which otherwise snaps to NaN and then passes an absent band as if it were a real level.