what is the nasdaq 100 pre market indicator 
the nasdaq 100 pre market indicator is calculated based on the last sale of nasdaq 100 securities during the pre market trading period of 4 a m to 9 30 a m est for nasdaq 100 securities that do not trade in the pre market the calculation uses the last sale from the previous day s 4 p m closing price the nasdaq 100 pre market indicator and after hours indicator are useful gauges of market sentiment during extended trading hours 12