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Contract OI history

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Oct 30, 2026 EXPIRATION

OSCR $31.50 Put

OSCR261030P00031500

Latest saved OI145Oct 23, 2026
Last change+98vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OSCR $31.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 145720 2026-10-09: 0 OI2026-10-13: 21 OI2026-10-14: 21 OI2026-10-15: 21 OI2026-10-16: 22 OI2026-10-21: 47 OI2026-10-23: 145 OI Oct 09, 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, 2026Viewing145+98
Oct 21, 202647+25
Oct 16, 202622+1
Oct 15, 2026210
Oct 14, 2026210
Oct 13, 202621+21
Oct 09, 20260No prior observation