OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

OSCR $20.00 Put

OSCR280121P00020000

Latest saved OI701Oct 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 $20.00 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. 7313650 2026-10-02: 731 OI2026-10-05: 706 OI2026-10-06: 706 OI2026-10-07: 704 OI2026-10-08: 704 OI2026-10-09: 701 OI2026-10-13: 712 OI2026-10-14: 712 OI2026-10-15: 702 OI2026-10-16: 702 OI2026-10-21: 702 OI2026-10-23: 701 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, 2026Viewing701-1
Oct 21, 20267020
Oct 16, 20267020
Oct 15, 2026702-10
Oct 14, 20267120
Oct 13, 2026712+11
Oct 09, 2026701-3
Oct 08, 20267040
Oct 07, 2026704-2
Oct 06, 20267060
Oct 05, 2026706-25
Oct 02, 2026731No prior observation