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Contract OI history

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Jan 15, 2027 EXPIRATION

ZETA $12.50 Put

ZETA270115P00012500

Latest saved OI8,657Oct 23, 2026
Last change-77vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $12.50 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. 8,7944,3970 2026-10-02: 8,794 OI2026-10-05: 8,794 OI2026-10-06: 8,794 OI2026-10-07: 8,794 OI2026-10-08: 8,794 OI2026-10-09: 8,794 OI2026-10-13: 8,744 OI2026-10-14: 8,744 OI2026-10-15: 8,744 OI2026-10-16: 8,734 OI2026-10-21: 8,734 OI2026-10-23: 8,657 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, 20268,657-77
Oct 21, 2026Viewing8,7340
Oct 16, 20268,734-10
Oct 15, 20268,7440
Oct 14, 20268,7440
Oct 13, 20268,744-50
Oct 09, 20268,7940
Oct 08, 20268,7940
Oct 07, 20268,7940
Oct 06, 20268,7940
Oct 05, 20268,7940
Oct 02, 20268,794No prior observation