OITracker Cboe delayed data

Contract OI history

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May 21, 2027 EXPIRATION

HUN $8.00 Put

HUN270521P00008000

Latest saved OI48Oct 20, 2026
Last change+40vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HUN $8.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 48240 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 4 OI2026-10-07: 4 OI2026-10-08: 4 OI2026-10-09: 4 OI2026-10-13: 8 OI2026-10-14: 8 OI2026-10-16: 8 OI2026-10-20: 48 OI Oct 02, 2026Oct 20, 2026

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

HUN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing48+40
Oct 16, 202680
Oct 14, 202680
Oct 13, 20268+4
Oct 09, 202640
Oct 08, 202640
Oct 07, 202640
Oct 06, 20264+4
Oct 05, 202600
Oct 02, 20260No prior observation