OITracker Cboe delayed data

Contract OI history

Back to ZETA

Oct 30, 2026 EXPIRATION

ZETA $30.00 Put

ZETA261030P00030000

Latest saved OI254Oct 23, 2026
Last change-16vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $30.00 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. 2701350 2026-10-02: 52 OI2026-10-05: 68 OI2026-10-06: 107 OI2026-10-07: 115 OI2026-10-08: 115 OI2026-10-09: 160 OI2026-10-13: 177 OI2026-10-14: 177 OI2026-10-15: 195 OI2026-10-16: 196 OI2026-10-21: 270 OI2026-10-23: 254 OI Oct 02, 2026Oct 23, 2026

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

ZETA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing254-16
Oct 21, 2026270+74
Oct 16, 2026196+1
Oct 15, 2026195+18
Oct 14, 20261770
Oct 13, 2026177+17
Oct 09, 2026160+45
Oct 08, 20261150
Oct 07, 2026115+8
Oct 06, 2026107+39
Oct 05, 202668+16
Oct 02, 202652No prior observation