Release Notes

Trades from GTH will be included effective February 5, 2020 in Option Trade Data and Option Trade Data with Calcs data sets. The Excel file format will remain unchanged. GTH trades will be signified by a time stamp between 3:00 am ET and 9:15 am ET. Historical data set purchases in these products will also include GTH trades effective February 5, 2020.

Effective February 5, 2020 on half trading days, the value in the "1545" column in data sets End of Day Option Quotes, End Of Day Option Quotes with Calcs, and End Of Day Equity Quotes will be taken at 12:45 pm ET and the column name of 1545 will be unchanged.