Hold positions overnight without penalties. These prop firms don't require you to close by market close.
DayTraders
Funded Futures Network
Lucid Trading
Purdia Capital
Some firms allow overnight holds at the trader's risk. Others require all positions closed by market close (flat-by rule).
A flat-by rule requires all positions to be closed by a specific time (usually 3:45-4:59 PM ET). Violating it can result in account termination.