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Contract OI history

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Oct 30, 2026 EXPIRATION

ZETA $31.00 Put

ZETA261030P00031000

Latest saved OI146Oct 23, 2026
Last change+20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $31.00 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. 146730 2026-10-02: 62 OI2026-10-05: 68 OI2026-10-06: 81 OI2026-10-07: 90 OI2026-10-08: 90 OI2026-10-09: 93 OI2026-10-13: 90 OI2026-10-14: 90 OI2026-10-15: 106 OI2026-10-16: 106 OI2026-10-21: 126 OI2026-10-23: 146 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, 2026146+20
Oct 21, 2026Viewing126+20
Oct 16, 20261060
Oct 15, 2026106+16
Oct 14, 2026900
Oct 13, 202690-3
Oct 09, 202693+3
Oct 08, 2026900
Oct 07, 202690+9
Oct 06, 202681+13
Oct 05, 202668+6
Oct 02, 202662No prior observation