OITracker Cboe delayed data

Contract OI history

Back to S

Jan 15, 2027 EXPIRATION

S $20.00 Put

S270115P00020000

Latest saved OI840Oct 23, 2026
Last change+98vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
S $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. 8404200 2026-10-02: 710 OI2026-10-05: 731 OI2026-10-06: 708 OI2026-10-07: 708 OI2026-10-08: 708 OI2026-10-09: 708 OI2026-10-13: 708 OI2026-10-14: 708 OI2026-10-15: 708 OI2026-10-16: 736 OI2026-10-21: 742 OI2026-10-23: 840 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

S contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing840+98
Oct 21, 2026742+6
Oct 16, 2026736+28
Oct 15, 20267080
Oct 14, 20267080
Oct 13, 20267080
Oct 09, 20267080
Oct 08, 20267080
Oct 07, 20267080
Oct 06, 2026708-23
Oct 05, 2026731+21
Oct 02, 2026710No prior observation