OITracker Cboe delayed data

Contract OI history

Back to SO

Dec 18, 2026 EXPIRATION

SO $95.00 Put

SO261218P00095000

Latest saved OI1,218Oct 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
SO $95.00 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. 1,2246120 2026-10-02: 1,224 OI2026-10-05: 1,224 OI2026-10-06: 1,224 OI2026-10-07: 1,224 OI2026-10-08: 1,224 OI2026-10-09: 1,224 OI2026-10-13: 1,217 OI2026-10-14: 1,217 OI2026-10-15: 1,217 OI2026-10-16: 1,217 OI2026-10-21: 1,217 OI2026-10-23: 1,218 OI Oct 02, 2026Oct 23, 2026

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

SO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261,218+1
Oct 21, 2026Viewing1,2170
Oct 16, 20261,2170
Oct 15, 20261,2170
Oct 14, 20261,2170
Oct 13, 20261,217-7
Oct 09, 20261,2240
Oct 08, 20261,2240
Oct 07, 20261,2240
Oct 06, 20261,2240
Oct 05, 20261,2240
Oct 02, 20261,224No prior observation