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Contract OI history

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Mar 19, 2027 EXPIRATION

OSCR $40.00 Call

OSCR270319C00040000

Latest saved OI343Oct 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. 3441720 2026-10-02: 261 OI2026-10-05: 261 OI2026-10-06: 261 OI2026-10-07: 338 OI2026-10-08: 338 OI2026-10-09: 341 OI2026-10-13: 342 OI2026-10-14: 342 OI2026-10-15: 342 OI2026-10-16: 342 OI2026-10-21: 344 OI2026-10-23: 343 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, 2026Viewing343-1
Oct 21, 2026344+2
Oct 16, 20263420
Oct 15, 20263420
Oct 14, 20263420
Oct 13, 2026342+1
Oct 09, 2026341+3
Oct 08, 20263380
Oct 07, 2026338+77
Oct 06, 20262610
Oct 05, 20262610
Oct 02, 2026261No prior observation