OITracker Cboe delayed data

Contract OI history

Back to HDB

Apr 16, 2027 EXPIRATION

HDB $22.50 Put

HDB270416P00022500

Latest saved OI64Oct 21, 2026
Last change-1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HDB $22.50 put open interest history 10 saved observations from 2026-10-02 to 2026-10-21. Exact values and changes are listed in the table below. 65320 2026-10-02: 26 OI2026-10-05: 30 OI2026-10-06: 50 OI2026-10-07: 50 OI2026-10-08: 60 OI2026-10-09: 62 OI2026-10-13: 64 OI2026-10-14: 64 OI2026-10-16: 65 OI2026-10-21: 64 OI Oct 02, 2026Oct 21, 2026

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

HDB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing64-1
Oct 16, 202665+1
Oct 14, 2026640
Oct 13, 202664+2
Oct 09, 202662+2
Oct 08, 202660+10
Oct 07, 2026500
Oct 06, 202650+20
Oct 05, 202630+4
Oct 02, 202626No prior observation