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Contract OI history

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Jun 17, 2027 EXPIRATION

ZETA $35.00 Put

ZETA270617P00035000

Latest saved OI297Oct 23, 2026
Last change+198vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $35.00 put open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 2971480 2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 99 OI2026-10-23: 297 OI Oct 15, 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, 2026297+198
Oct 21, 2026Viewing99+99
Oct 16, 202600
Oct 15, 20260No prior observation