OITracker Cboe delayed data

Contract OI history

Back to P

Nov 20, 2026 EXPIRATION

P $55.00 Put

P261120P00055000

Latest saved OI296Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
P $55.00 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. 3021510 2026-10-02: 302 OI2026-10-05: 302 OI2026-10-06: 301 OI2026-10-07: 296 OI2026-10-08: 296 OI2026-10-09: 296 OI2026-10-13: 296 OI2026-10-14: 296 OI2026-10-15: 296 OI2026-10-16: 296 OI2026-10-21: 296 OI2026-10-23: 296 OI Oct 02, 2026Oct 23, 2026

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

P contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2960
Oct 21, 20262960
Oct 16, 20262960
Oct 15, 20262960
Oct 14, 20262960
Oct 13, 20262960
Oct 09, 20262960
Oct 08, 20262960
Oct 07, 2026296-5
Oct 06, 2026301-1
Oct 05, 20263020
Oct 02, 2026302No prior observation