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Contract OI history

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Oct 23, 2026 EXPIRATION

ZETA $40.00 Call

ZETA261023C00040000

Latest saved OI423Oct 23, 2026
Last change0vs 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. 4232110 2026-10-02: 61 OI2026-10-05: 66 OI2026-10-06: 117 OI2026-10-07: 119 OI2026-10-08: 119 OI2026-10-09: 116 OI2026-10-13: 126 OI2026-10-14: 126 OI2026-10-15: 126 OI2026-10-16: 161 OI2026-10-21: 423 OI2026-10-23: 423 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, 20264230
Oct 21, 2026Viewing423+262
Oct 16, 2026161+35
Oct 15, 20261260
Oct 14, 20261260
Oct 13, 2026126+10
Oct 09, 2026116-3
Oct 08, 20261190
Oct 07, 2026119+2
Oct 06, 2026117+51
Oct 05, 202666+5
Oct 02, 202661No prior observation