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Contract OI history

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Jan 15, 2027 EXPIRATION

OPK $3.50 Call

OPK270115C00003500

Latest saved OI3,956Oct 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 $3.50 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. 3,9561,9780 2026-10-08: 3,956 OI2026-10-09: 3,956 OI2026-10-13: 3,956 OI2026-10-14: 3,956 OI2026-10-16: 3,956 OI2026-10-20: 3,956 OI2026-10-23: 3,956 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, 20263,9560
Oct 20, 2026Viewing3,9560
Oct 16, 20263,9560
Oct 14, 20263,9560
Oct 13, 20263,9560
Oct 09, 20263,9560
Oct 08, 20263,956No prior observation