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Contract OI history

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Dec 18, 2026 EXPIRATION

ZETA $35.00 Call

ZETA261218C00035000

Latest saved OI4,102Oct 23, 2026
Last change-121vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $35.00 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. 4,2252,1120 2026-10-02: 3,986 OI2026-10-05: 4,004 OI2026-10-06: 4,044 OI2026-10-07: 4,145 OI2026-10-08: 4,145 OI2026-10-09: 4,153 OI2026-10-13: 4,225 OI2026-10-14: 4,225 OI2026-10-15: 4,184 OI2026-10-16: 4,179 OI2026-10-21: 4,223 OI2026-10-23: 4,102 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, 20264,102-121
Oct 21, 2026Viewing4,223+44
Oct 16, 20264,179-5
Oct 15, 20264,184-41
Oct 14, 20264,2250
Oct 13, 20264,225+72
Oct 09, 20264,153+8
Oct 08, 20264,1450
Oct 07, 20264,145+101
Oct 06, 20264,044+40
Oct 05, 20264,004+18
Oct 02, 20263,986No prior observation