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Contract OI history

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Jan 19, 2029 EXPIRATION

ZETA $25.00 Put

ZETA290119P00025000

Latest saved OI10,004Oct 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 $25.00 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. 10,0045,0020 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 7 OI2026-10-07: 7 OI2026-10-08: 7 OI2026-10-09: 8 OI2026-10-13: 8 OI2026-10-14: 8 OI2026-10-15: 8 OI2026-10-16: 10 OI2026-10-21: 10,004 OI2026-10-23: 10,004 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, 2026Viewing10,0040
Oct 21, 202610,004+9,994
Oct 16, 202610+2
Oct 15, 202680
Oct 14, 202680
Oct 13, 202680
Oct 09, 20268+1
Oct 08, 202670
Oct 07, 202670
Oct 06, 20267+6
Oct 05, 202610
Oct 02, 20261No prior observation