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Contract OI history

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Dec 18, 2026 EXPIRATION

ZETA $40.00 Call

ZETA261218C00040000

Latest saved OI1,142Oct 23, 2026
Last change+23vs 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. 1,1425710 2026-10-02: 1,040 OI2026-10-05: 1,084 OI2026-10-06: 1,078 OI2026-10-07: 1,081 OI2026-10-08: 1,081 OI2026-10-09: 1,072 OI2026-10-13: 1,082 OI2026-10-14: 1,082 OI2026-10-15: 1,085 OI2026-10-16: 1,095 OI2026-10-21: 1,119 OI2026-10-23: 1,142 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, 20261,142+23
Oct 21, 2026Viewing1,119+24
Oct 16, 20261,095+10
Oct 15, 20261,085+3
Oct 14, 20261,0820
Oct 13, 20261,082+10
Oct 09, 20261,072-9
Oct 08, 20261,0810
Oct 07, 20261,081+3
Oct 06, 20261,078-6
Oct 05, 20261,084+44
Oct 02, 20261,040No prior observation