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Contract OI history

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Dec 15, 2028 EXPIRATION

ZETA $30.00 Put

ZETA281215P00030000

Latest saved OI1,522Oct 23, 2026
Last change0vs 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. 1,5567780 2026-10-02: 1,555 OI2026-10-05: 1,555 OI2026-10-06: 1,556 OI2026-10-07: 1,556 OI2026-10-08: 1,556 OI2026-10-09: 1,525 OI2026-10-13: 1,522 OI2026-10-14: 1,522 OI2026-10-15: 1,522 OI2026-10-16: 1,522 OI2026-10-21: 1,522 OI2026-10-23: 1,522 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, 20261,5220
Oct 21, 2026Viewing1,5220
Oct 16, 20261,5220
Oct 15, 20261,5220
Oct 14, 20261,5220
Oct 13, 20261,522-3
Oct 09, 20261,525-31
Oct 08, 20261,5560
Oct 07, 20261,5560
Oct 06, 20261,556+1
Oct 05, 20261,5550
Oct 02, 20261,555No prior observation