anchor.diff:  Nanometrics Inc.,Trillium Compact 120PH-2,3816,BHW,10,0,,0,0.7,0,0,0,0,2016-07-15T02:32:00Z,2020-07-15T01:01:00Z
   Nanometrics Inc.,Trillium Compact 120PH-2,3872,COVZ,10,335,,0,64,0,0,0,0,2016-04-07T03:30:00Z,9999-01-01T00:00:00Z
   Nanometrics Inc.,Trillium Compact 120PH-2,6637,WEL,13,0,,0,0,0,0,0,0,2021-03-30T03:00:00Z,2021-04-14T04:05:00Z
  +Nanometrics Inc.,Trillium Horizon TH120-1,721,KUZ,10,0,,0,0,0,0,0,0,2021-07-07T23:55:00Z,9999-01-01T00:00:00Z
   Nanometrics Inc.,Trillium Horizon TH120-1,799,TUZ,10,0,,0,0,0,0,0,0,2021-06-10T23:24:00Z,9999-01-01T00:00:00Z
   Nanometrics Inc.,Trillium Horizon TH120-1,803,KHZ,10,0,,0,0,0,0,0,0,2021-05-27T04:10:00Z,9999-01-01T00:00:00Z
   Nanometrics Inc.,Trillium Horizon TH120-1,804,MLZ,10,0,,0,0,0,0,0,0,2021-06-08T04:19:00Z,9999-01-01T00:00:00Z
  
positive.code: Kinemetrics Inc.,FBA-ES-T,992,SM1F,20,0,,0,0,0,0,0,0,2013-08-21T14:50:00Z,2013-11-19T10:00:00Z
  Kinemetrics Inc.,FBA-ES-T,992,OWQX,20,0,,0,0,0,0,0,0,2014-11-03T00:05:00Z,2015-09-09T00:00:00Z
  Kinemetrics Inc.,FBA-ES-T,992,MTSX,20,0,,0,0,0,0,0,0,2015-10-26T00:05:00Z,2016-08-16T00:00:00Z
  Kinemetrics Inc.,FBA-ES-T,993,KUZ,20,0,,0,0,0,0,0,0,2004-02-05T00:00:00Z,9999-01-01T00:00:00Z
  Kinemetrics Inc.,FBA-ES-T,994,QRZ,20,0,,0,0,0,0,0,0,2003-10-30T21:00:02Z,2015-11-12T01:00:00Z
  Kinemetrics Inc.,FBA-ES-T,995,URZ,20,0,,0,0,0,0,0,0,2001-05-21T00:00:00Z,2014-05-27T00:00:00Z
  Kinemetrics Inc.,FBA-ES-T,996,THZ,20,0,,0,0,0,0,0,0,2003-08-08T00:00:00Z,2005-07-03T22:00:00Z
  
negative.code: Guralp Systems Ltd.,CMG-3ESP,T3G61,LBZ,10,0,,0,0,0,0,0,0,2004-06-04T06:20:00Z,9999-01-01T00:00:00Z
  Guralp Systems Ltd.,CMG-3ESP,T3G67,FOZ,10,0,,0,0,0,0,0,0,2004-10-13T00:00:00Z,2015-09-22T18:00:00Z
  Guralp Systems Ltd.,CMG-3ESP,T3G67,FOZ,11,0,,0,0,0,0,0,0,2015-09-23T05:30:00Z,9999-01-01T00:00:00Z
  Guralp Systems Ltd.,CMG-3ESP,T3G68,KUZ,10,0,,0,0,0,0,0,0,2004-02-05T00:00:00Z,2021-07-03T07:07:00Z
  Guralp Systems Ltd.,CMG-3ESP,T3G69,MXZ,10,0,,0,0,0,0,0,0,2004-02-29T00:00:00Z,2009-08-17T00:00:00Z
  Guralp Systems Ltd.,CMG-3ESP,T3G69,WCZ,10,0,,0,0,0,0,0,0,2009-10-16T00:00:10Z,2021-07-06T00:07:00Z
  Guralp Systems Ltd.,CMG-3ESP,T3G70,MWZ,10,0,,0,0,0,0,0,0,2004-02-29T00:00:00Z,9999-01-01T00:00:00Z
  