i think alot have to do with the many "reversal times" encountered during an equities 6.5hrs intraday session. the potential reversal points are only minutes apart, from 9:30amEST open to 9:35, 10, 10:30, 11:15, 12 (lunch doldrums), 12:30, 1:30, 2:15, 3 (bond market close), 3:30, to 4pmEST...