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Contract OI history

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Mar 19, 2027 EXPIRATION

OPK $1000.00 Call

OPK270319C00001000

Latest saved OI598Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
OPK $1000.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5982990 2026-10-08: 588 OI2026-10-09: 588 OI2026-10-13: 588 OI2026-10-14: 588 OI2026-10-16: 598 OI2026-10-20: 598 OI2026-10-23: 598 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, 20265980
Oct 20, 2026Viewing5980
Oct 16, 2026598+10
Oct 14, 20265880
Oct 13, 20265880
Oct 09, 20265880
Oct 08, 2026588No prior observation