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Contract OI history

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Dec 18, 2026 EXPIRATION

OSCR $40.00 Call

OSCR261218C00040000

Latest saved OI190Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OSCR $40.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 190950 2026-10-02: 28 OI2026-10-05: 40 OI2026-10-06: 70 OI2026-10-07: 71 OI2026-10-08: 71 OI2026-10-09: 89 OI2026-10-13: 90 OI2026-10-14: 90 OI2026-10-15: 91 OI2026-10-16: 108 OI2026-10-21: 189 OI2026-10-23: 190 OI Oct 02, 2026Oct 23, 2026

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

OSCR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing190+1
Oct 21, 2026189+81
Oct 16, 2026108+17
Oct 15, 202691+1
Oct 14, 2026900
Oct 13, 202690+1
Oct 09, 202689+18
Oct 08, 2026710
Oct 07, 202671+1
Oct 06, 202670+30
Oct 05, 202640+12
Oct 02, 202628No prior observation