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Contract OI history

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Mar 19, 2027 EXPIRATION

ZETA $30.00 Put

ZETA270319P00030000

Latest saved OI1,252Oct 23, 2026
Last change-6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $30.00 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. 1,3286640 2026-10-02: 908 OI2026-10-05: 908 OI2026-10-06: 913 OI2026-10-07: 1,319 OI2026-10-08: 1,319 OI2026-10-09: 1,328 OI2026-10-13: 1,328 OI2026-10-14: 1,328 OI2026-10-15: 1,253 OI2026-10-16: 1,258 OI2026-10-21: 1,258 OI2026-10-23: 1,252 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, 20261,252-6
Oct 21, 2026Viewing1,2580
Oct 16, 20261,258+5
Oct 15, 20261,253-75
Oct 14, 20261,3280
Oct 13, 20261,3280
Oct 09, 20261,328+9
Oct 08, 20261,3190
Oct 07, 20261,319+406
Oct 06, 2026913+5
Oct 05, 20269080
Oct 02, 2026908No prior observation