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Contract OI history

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Dec 18, 2026 EXPIRATION

ZETA $50.00 Call

ZETA261218C00050000

Latest saved OI193Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 06, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $50.00 call open interest history 10 saved observations from 2026-10-06 to 2026-10-23. Exact values and changes are listed in the table below. 193960 2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 2 OI2026-10-13: 87 OI2026-10-14: 87 OI2026-10-15: 87 OI2026-10-16: 121 OI2026-10-21: 193 OI2026-10-23: 193 OI Oct 06, 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, 2026Viewing1930
Oct 21, 2026193+72
Oct 16, 2026121+34
Oct 15, 2026870
Oct 14, 2026870
Oct 13, 202687+85
Oct 09, 20262+2
Oct 08, 202600
Oct 07, 202600
Oct 06, 20260No prior observation