OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ZETA $25.00 Put

ZETA270115P00025000

Latest saved OI3,024Oct 23, 2026
Last change+11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $25.00 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. 4,0582,0290 2026-10-02: 4,058 OI2026-10-05: 3,056 OI2026-10-06: 3,084 OI2026-10-07: 3,142 OI2026-10-08: 3,142 OI2026-10-09: 3,154 OI2026-10-13: 3,216 OI2026-10-14: 3,216 OI2026-10-15: 3,173 OI2026-10-16: 3,172 OI2026-10-21: 3,013 OI2026-10-23: 3,024 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, 20263,024+11
Oct 21, 2026Viewing3,013-159
Oct 16, 20263,172-1
Oct 15, 20263,173-43
Oct 14, 20263,2160
Oct 13, 20263,216+62
Oct 09, 20263,154+12
Oct 08, 20263,1420
Oct 07, 20263,142+58
Oct 06, 20263,084+28
Oct 05, 20263,056-1,002
Oct 02, 20264,058No prior observation