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Contract OI history

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Jan 21, 2028 EXPIRATION

OSCR $27.00 Put

OSCR280121P00027000

Latest saved OI350Oct 23, 2026
Last change+13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OSCR $27.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3501750 2026-10-02: 254 OI2026-10-05: 254 OI2026-10-06: 254 OI2026-10-07: 254 OI2026-10-08: 254 OI2026-10-09: 345 OI2026-10-13: 345 OI2026-10-14: 345 OI2026-10-15: 345 OI2026-10-16: 345 OI2026-10-21: 337 OI2026-10-23: 350 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, 2026Viewing350+13
Oct 21, 2026337-8
Oct 16, 20263450
Oct 15, 20263450
Oct 14, 20263450
Oct 13, 20263450
Oct 09, 2026345+91
Oct 08, 20262540
Oct 07, 20262540
Oct 06, 20262540
Oct 05, 20262540
Oct 02, 2026254No prior observation