ES: How often are ON Extensions broken?

ON Range – Overnight Session Range – The high (ONH) minus the low (ONL) established between 16:15 and 09:30 EST

RTH Range – Regular Trading Hours Session Range – The high minus the low established between 09:30 and 16:15 EST

Over the last 3,042 trading days:

  • 95.50% of the time the ONH or ONL was broken during the RTH Session
  • 57.79% of the time the ONH or ONL were extended by 50% of the ON Range during the RTH Session
  • 29.06% of the time the ONH or ONL were extended by 100% of the ON Range during the RTH Session
  • 25.28% of the time both the ONH and ONL were broken during the RTH Session