OITracker Cboe delayed data

Contract OI history

Back to O

Jan 19, 2029 EXPIRATION

O $50.00 Put

O290119P00050000

Latest saved OI163Oct 23, 2026
Last change+8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
O $50.00 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. 163810 2026-10-02: 143 OI2026-10-05: 144 OI2026-10-06: 146 OI2026-10-07: 146 OI2026-10-08: 149 OI2026-10-09: 150 OI2026-10-13: 152 OI2026-10-14: 153 OI2026-10-15: 153 OI2026-10-16: 153 OI2026-10-21: 155 OI2026-10-23: 163 OI Oct 02, 2026Oct 23, 2026

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

O contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing163+8
Oct 21, 2026155+2
Oct 16, 20261530
Oct 15, 20261530
Oct 14, 2026153+1
Oct 13, 2026152+2
Oct 09, 2026150+1
Oct 08, 2026149+3
Oct 07, 20261460
Oct 06, 2026146+2
Oct 05, 2026144+1
Oct 02, 2026143No prior observation