OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

HD $320.00 Call

HD261030C00320000

Latest saved OI444Oct 23, 2026
Last change-34vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HD $320.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4782390 2026-10-02: 170 OI2026-10-05: 170 OI2026-10-06: 166 OI2026-10-07: 166 OI2026-10-08: 165 OI2026-10-09: 228 OI2026-10-13: 227 OI2026-10-14: 227 OI2026-10-15: 235 OI2026-10-16: 274 OI2026-10-21: 478 OI2026-10-23: 444 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, 2026Viewing444-34
Oct 21, 2026478+204
Oct 16, 2026274+39
Oct 15, 2026235+8
Oct 14, 20262270
Oct 13, 2026227-1
Oct 09, 2026228+63
Oct 08, 2026165-1
Oct 07, 20261660
Oct 06, 2026166-4
Oct 05, 20261700
Oct 02, 2026170No prior observation