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Contract OI history

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Dec 15, 2028 EXPIRATION

ZETA $40.00 Call

ZETA281215C00040000

Latest saved OI185Oct 23, 2026
Last change+1vs 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. 185920 2026-10-02: 181 OI2026-10-05: 181 OI2026-10-06: 184 OI2026-10-07: 184 OI2026-10-08: 184 OI2026-10-09: 184 OI2026-10-13: 184 OI2026-10-14: 184 OI2026-10-15: 184 OI2026-10-16: 184 OI2026-10-21: 184 OI2026-10-23: 185 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, 2026185+1
Oct 21, 2026Viewing1840
Oct 16, 20261840
Oct 15, 20261840
Oct 14, 20261840
Oct 13, 20261840
Oct 09, 20261840
Oct 08, 20261840
Oct 07, 20261840
Oct 06, 2026184+3
Oct 05, 20261810
Oct 02, 2026181No prior observation