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Contract OI history

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Jan 15, 2027 EXPIRATION

ZETA $20.00 Call

ZETA270115C00020000

Latest saved OI13,174Oct 23, 2026
Last change-232vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $20.00 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. 13,6696,8340 2026-10-02: 13,669 OI2026-10-05: 13,665 OI2026-10-06: 13,631 OI2026-10-07: 13,635 OI2026-10-08: 13,635 OI2026-10-09: 13,635 OI2026-10-13: 13,575 OI2026-10-14: 13,575 OI2026-10-15: 13,544 OI2026-10-16: 13,540 OI2026-10-21: 13,406 OI2026-10-23: 13,174 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, 202613,174-232
Oct 21, 2026Viewing13,406-134
Oct 16, 202613,540-4
Oct 15, 202613,544-31
Oct 14, 202613,5750
Oct 13, 202613,575-60
Oct 09, 202613,6350
Oct 08, 202613,6350
Oct 07, 202613,635+4
Oct 06, 202613,631-34
Oct 05, 202613,665-4
Oct 02, 202613,669No prior observation