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Contract OI history

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Nov 06, 2026 EXPIRATION

ZETA $30.50 Put

ZETA261106P00030500

Latest saved OI171Oct 23, 2026
Last change-10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $30.50 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. 181900 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 14 OI2026-10-07: 150 OI2026-10-08: 150 OI2026-10-09: 151 OI2026-10-13: 150 OI2026-10-14: 150 OI2026-10-15: 151 OI2026-10-16: 151 OI2026-10-21: 181 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, 2026171-10
Oct 21, 2026Viewing181+30
Oct 16, 20261510
Oct 15, 2026151+1
Oct 14, 20261500
Oct 13, 2026150-1
Oct 09, 2026151+1
Oct 08, 20261500
Oct 07, 2026150+136
Oct 06, 202614+13
Oct 05, 202610
Oct 02, 20261No prior observation