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Contract OI history

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Oct 30, 2026 EXPIRATION

ZETA $38.00 Call

ZETA261030C00038000

Latest saved OI1,333Oct 23, 2026
Last change+1,243vs previous saved observation
Saved market days9Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $38.00 call open interest history 9 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 1,3336660 2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 4 OI2026-10-13: 59 OI2026-10-14: 59 OI2026-10-15: 58 OI2026-10-16: 89 OI2026-10-21: 90 OI2026-10-23: 1,333 OI Oct 07, 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, 20261,333+1,243
Oct 21, 2026Viewing90+1
Oct 16, 202689+31
Oct 15, 202658-1
Oct 14, 2026590
Oct 13, 202659+55
Oct 09, 20264+4
Oct 08, 202600
Oct 07, 20260No prior observation