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Contract OI history

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Jan 15, 2027 EXPIRATION

OPK $1000.00 Put

OPK270115P00001000

Latest saved OI140Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
OPK $1000.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 140700 2026-10-08: 125 OI2026-10-09: 132 OI2026-10-13: 132 OI2026-10-14: 132 OI2026-10-16: 138 OI2026-10-20: 138 OI2026-10-23: 140 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

OPK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing140+2
Oct 20, 20261380
Oct 16, 2026138+6
Oct 14, 20261320
Oct 13, 20261320
Oct 09, 2026132+7
Oct 08, 2026125No prior observation