OITracker Cboe delayed data

Contract OI history

Back to HUM

Dec 18, 2026 EXPIRATION

HUM $310.00 Put

HUM261218P00310000

Latest saved OI326Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HUM $310.00 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. 3261630 2026-10-02: 317 OI2026-10-05: 317 OI2026-10-06: 320 OI2026-10-07: 320 OI2026-10-08: 320 OI2026-10-09: 324 OI2026-10-13: 324 OI2026-10-14: 324 OI2026-10-15: 324 OI2026-10-16: 326 OI2026-10-21: 326 OI2026-10-23: 326 OI Oct 02, 2026Oct 23, 2026

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

HUM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3260
Oct 21, 20263260
Oct 16, 2026326+2
Oct 15, 20263240
Oct 14, 20263240
Oct 13, 20263240
Oct 09, 2026324+4
Oct 08, 20263200
Oct 07, 20263200
Oct 06, 2026320+3
Oct 05, 20263170
Oct 02, 2026317No prior observation