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Contract OI history

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Nov 20, 2026 EXPIRATION

ZETA $35.00 Put

ZETA261120P00035000

Latest saved OI664Oct 23, 2026
Last change+16vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $35.00 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. 6643320 2026-10-02: 157 OI2026-10-05: 157 OI2026-10-06: 168 OI2026-10-07: 173 OI2026-10-08: 173 OI2026-10-09: 268 OI2026-10-13: 318 OI2026-10-14: 318 OI2026-10-15: 318 OI2026-10-16: 332 OI2026-10-21: 648 OI2026-10-23: 664 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, 2026664+16
Oct 21, 2026Viewing648+316
Oct 16, 2026332+14
Oct 15, 20263180
Oct 14, 20263180
Oct 13, 2026318+50
Oct 09, 2026268+95
Oct 08, 20261730
Oct 07, 2026173+5
Oct 06, 2026168+11
Oct 05, 20261570
Oct 02, 2026157No prior observation