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Contract OI history

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Nov 20, 2026 EXPIRATION

ZETA $22.50 Put

ZETA261120P00022500

Latest saved OI178Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $22.50 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. 183910 2026-10-02: 183 OI2026-10-05: 183 OI2026-10-06: 177 OI2026-10-07: 177 OI2026-10-08: 177 OI2026-10-09: 177 OI2026-10-13: 177 OI2026-10-14: 177 OI2026-10-15: 177 OI2026-10-16: 177 OI2026-10-21: 178 OI2026-10-23: 178 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, 2026Viewing1780
Oct 21, 2026178+1
Oct 16, 20261770
Oct 15, 20261770
Oct 14, 20261770
Oct 13, 20261770
Oct 09, 20261770
Oct 08, 20261770
Oct 07, 20261770
Oct 06, 2026177-6
Oct 05, 20261830
Oct 02, 2026183No prior observation