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Contract OI history

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Nov 20, 2026 EXPIRATION

ZETA $40.00 Call

ZETA261120C00040000

Latest saved OI3,524Oct 23, 2026
Last change+41vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $40.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3,5241,7620 2026-10-02: 369 OI2026-10-05: 370 OI2026-10-06: 432 OI2026-10-07: 3,441 OI2026-10-08: 3,441 OI2026-10-09: 3,220 OI2026-10-13: 3,365 OI2026-10-14: 3,365 OI2026-10-15: 3,403 OI2026-10-16: 3,388 OI2026-10-21: 3,483 OI2026-10-23: 3,524 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, 20263,524+41
Oct 21, 2026Viewing3,483+95
Oct 16, 20263,388-15
Oct 15, 20263,403+38
Oct 14, 20263,3650
Oct 13, 20263,365+145
Oct 09, 20263,220-221
Oct 08, 20263,4410
Oct 07, 20263,441+3,009
Oct 06, 2026432+62
Oct 05, 2026370+1
Oct 02, 2026369No prior observation