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Contract OI history

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Dec 18, 2026 EXPIRATION

ZETA $30.00 Put

ZETA261218P00030000

Latest saved OI2,298Oct 23, 2026
Last change+7vs 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. 2,2981,1490 2026-10-02: 2,166 OI2026-10-05: 2,168 OI2026-10-06: 2,194 OI2026-10-07: 2,293 OI2026-10-08: 2,293 OI2026-10-09: 2,269 OI2026-10-13: 2,272 OI2026-10-14: 2,272 OI2026-10-15: 2,237 OI2026-10-16: 2,261 OI2026-10-21: 2,291 OI2026-10-23: 2,298 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, 20262,298+7
Oct 21, 2026Viewing2,291+30
Oct 16, 20262,261+24
Oct 15, 20262,237-35
Oct 14, 20262,2720
Oct 13, 20262,272+3
Oct 09, 20262,269-24
Oct 08, 20262,2930
Oct 07, 20262,293+99
Oct 06, 20262,194+26
Oct 05, 20262,168+2
Oct 02, 20262,166No prior observation