OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

OSCR $27.00 Put

OSCR261030P00027000

Latest saved OI196Oct 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 $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. 2171080 2026-10-02: 112 OI2026-10-05: 214 OI2026-10-06: 217 OI2026-10-07: 214 OI2026-10-08: 214 OI2026-10-09: 206 OI2026-10-13: 197 OI2026-10-14: 197 OI2026-10-15: 197 OI2026-10-16: 197 OI2026-10-21: 197 OI2026-10-23: 196 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, 2026Viewing196-1
Oct 21, 20261970
Oct 16, 20261970
Oct 15, 20261970
Oct 14, 20261970
Oct 13, 2026197-9
Oct 09, 2026206-8
Oct 08, 20262140
Oct 07, 2026214-3
Oct 06, 2026217+3
Oct 05, 2026214+102
Oct 02, 2026112No prior observation