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Contract OI history

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Nov 20, 2026 EXPIRATION

ZETA $30.00 Put

ZETA261120P00030000

Latest saved OI1,534Oct 23, 2026
Last change-61vs 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. 1,5957970 2026-10-02: 367 OI2026-10-05: 557 OI2026-10-06: 590 OI2026-10-07: 700 OI2026-10-08: 700 OI2026-10-09: 800 OI2026-10-13: 895 OI2026-10-14: 895 OI2026-10-15: 1,241 OI2026-10-16: 1,441 OI2026-10-21: 1,595 OI2026-10-23: 1,534 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, 20261,534-61
Oct 21, 2026Viewing1,595+154
Oct 16, 20261,441+200
Oct 15, 20261,241+346
Oct 14, 20268950
Oct 13, 2026895+95
Oct 09, 2026800+100
Oct 08, 20267000
Oct 07, 2026700+110
Oct 06, 2026590+33
Oct 05, 2026557+190
Oct 02, 2026367No prior observation