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Contract OI history

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Jan 19, 2029 EXPIRATION

ZETA $40.00 Call

ZETA290119C00040000

Latest saved OI171Oct 23, 2026
Last change+18vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $40.00 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. 171850 2026-10-02: 159 OI2026-10-05: 160 OI2026-10-06: 142 OI2026-10-07: 166 OI2026-10-08: 166 OI2026-10-09: 149 OI2026-10-13: 152 OI2026-10-14: 152 OI2026-10-15: 152 OI2026-10-16: 153 OI2026-10-21: 153 OI2026-10-23: 171 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, 2026171+18
Oct 21, 2026Viewing1530
Oct 16, 2026153+1
Oct 15, 20261520
Oct 14, 20261520
Oct 13, 2026152+3
Oct 09, 2026149-17
Oct 08, 20261660
Oct 07, 2026166+24
Oct 06, 2026142-18
Oct 05, 2026160+1
Oct 02, 2026159No prior observation