Hi there,
A couple of thoughts.
(1) Backtest the entry method for every half an hour from 9.30 to
2.00. That is, any difference in results between entering at 9.30, 10.00, 10.30, 11.00, 11.30, 12.00, 12.30, 1.00, 1.30 or 2.00? You may have the best entry time, but you don't know until...