Abbreviated concepts in Report "Summary by date"
QTY - Quantity (volume)
Comm - Commission (a service charge)
SEC - A transaction fee created by Securities Exchange Commission
TAF - stands for "Trade Activity Fee" and it is assessed by FINRA on its members to recover the costs of supervising and regulating firms. You can find a detailed information here.
NSCC - National Securities Clearing Corporation, this fee is a cost to clear transactions and is billed to NSCC members (clearing firms).
CLR - A service charge assessed by the clearing firm.
ORF - Options Regulatory Fee is collected by the Options Clearing Corporation (OCC) clearing members on behalf of U.S. Option exchanges.
ECN Fee - A credit or debit charge assessed by the electronic communication network used to obtain shares