Where do you read "deletion from trading system" ?
All I see is,
Date/Time Event Type Eff/Ex Date/Time Symbol Issue Name Market 11/07/2018 15:45:00 Name/CUSIP Change 11/08/2018 00:00:00 NPWZ Neah Power Systems, Inc. New Common Stock Other OTC and
Date/Time Event Type Eff/Ex Date/Time Symbol Issue Name Market 11/08/2018 08:55:41 Exchanged 11/08/2018 08:56:00 NPWZ XNRGI, Inc. Common Stock Other OTC