@phantomdrake It seems you are mixing yesterday instrument file and today's instrument file. CESC18NOV1240CE is already expired on 2018-11-29(yesterday). 14405122,56270,CESC18NOV1240CE,,0.0,2018-11-29,1240.0,0.05,550,CE,NFO-OPT,NFO So,14405122 instrument token is assigned to fresh contract on today's instrument file. 14405122,56270,AMBUJACEM19FEB120CE,,0.0,2019-02-28,120.0,0.05,2500,CE,NFO-OPT,NFO.
113813 1 76218 2019-02-28 00:00:00 NFO 1 2018-11-30 19511810 CE 0 1500 NFO-OPT 375.0 0 0.05 ICICIPRULI19FEB375CE
It seems you are mixing yesterday instrument file and today's instrument file.
CESC18NOV1240CE is already expired on 2018-11-29(yesterday).
14405122,56270,CESC18NOV1240CE,,0.0,2018-11-29,1240.0,0.05,550,CE,NFO-OPT,NFO
So,14405122 instrument token is assigned to fresh contract on today's instrument file.
14405122,56270,AMBUJACEM19FEB120CE,,0.0,2019-02-28,120.0,0.05,2500,CE,NFO-OPT,NFO
.