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Contract OI history

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Mar 19, 2027 EXPIRATION

OPK $500.00 Call

OPK270319C00000500

Latest saved OI744Oct 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 $500.00 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. 7913950 2026-10-08: 791 OI2026-10-09: 791 OI2026-10-13: 791 OI2026-10-14: 791 OI2026-10-16: 744 OI2026-10-20: 744 OI2026-10-23: 744 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, 2026Viewing7440
Oct 20, 20267440
Oct 16, 2026744-47
Oct 14, 20267910
Oct 13, 20267910
Oct 09, 20267910
Oct 08, 2026791No prior observation