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Contract OI history

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Oct 23, 2026 EXPIRATION

ZETA $30.00 Put

ZETA261023P00030000

Latest saved OI461Oct 23, 2026
Last change-18vs 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. 4792390 2026-10-02: 59 OI2026-10-05: 68 OI2026-10-06: 101 OI2026-10-07: 112 OI2026-10-08: 112 OI2026-10-09: 97 OI2026-10-13: 82 OI2026-10-14: 82 OI2026-10-15: 89 OI2026-10-16: 110 OI2026-10-21: 479 OI2026-10-23: 461 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, 2026461-18
Oct 21, 2026Viewing479+369
Oct 16, 2026110+21
Oct 15, 202689+7
Oct 14, 2026820
Oct 13, 202682-15
Oct 09, 202697-15
Oct 08, 20261120
Oct 07, 2026112+11
Oct 06, 2026101+33
Oct 05, 202668+9
Oct 02, 202659No prior observation