OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

HDB $22.50 Put

HDB270115P00022500

Latest saved OI2,824Oct 21, 2026
Last change-15vs 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. 2,8471,4230 2026-10-02: 2,840 OI2026-10-05: 2,840 OI2026-10-06: 2,840 OI2026-10-07: 2,841 OI2026-10-08: 2,847 OI2026-10-09: 2,840 OI2026-10-13: 2,840 OI2026-10-14: 2,840 OI2026-10-16: 2,839 OI2026-10-21: 2,824 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, 2026Viewing2,824-15
Oct 16, 20262,839-1
Oct 14, 20262,8400
Oct 13, 20262,8400
Oct 09, 20262,840-7
Oct 08, 20262,847+6
Oct 07, 20262,841+1
Oct 06, 20262,8400
Oct 05, 20262,8400
Oct 02, 20262,840No prior observation