Per-bar flags marking the first bar of each trading session.
Falls back to the calendar day in zone when the series has no readable
session break, which is the only answer available for daily bars and a
defensible one for a market that never closes. The zone defaults to IST, so a
caller that passes nothing gets exactly the old behaviour.
Per-bar flags marking the first bar of each trading session.
Falls back to the calendar day in
zonewhen the series has no readable session break, which is the only answer available for daily bars and a defensible one for a market that never closes. The zone defaults to IST, so a caller that passes nothing gets exactly the old behaviour.