OITracker Cboe delayed data

Contract OI history

Back to HD

Jan 21, 2028 EXPIRATION

HD $320.00 Put

HD280121P00320000

Latest saved OI820Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HD $320.00 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. 8214100 2026-10-02: 220 OI2026-10-05: 814 OI2026-10-06: 819 OI2026-10-07: 819 OI2026-10-08: 819 OI2026-10-09: 821 OI2026-10-13: 821 OI2026-10-14: 821 OI2026-10-15: 819 OI2026-10-16: 820 OI2026-10-21: 820 OI2026-10-23: 820 OI Oct 02, 2026Oct 23, 2026

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

HD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing8200
Oct 21, 20268200
Oct 16, 2026820+1
Oct 15, 2026819-2
Oct 14, 20268210
Oct 13, 20268210
Oct 09, 2026821+2
Oct 08, 20268190
Oct 07, 20268190
Oct 06, 2026819+5
Oct 05, 2026814+594
Oct 02, 2026220No prior observation