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Contract OI history

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Jan 21, 2028 EXPIRATION

ZETA $35.00 Call

ZETA280121C00035000

Latest saved OI5,203Oct 23, 2026
Last change+24vs 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. 5,6512,8250 2026-10-02: 5,651 OI2026-10-05: 5,645 OI2026-10-06: 5,425 OI2026-10-07: 5,464 OI2026-10-08: 5,464 OI2026-10-09: 5,404 OI2026-10-13: 5,426 OI2026-10-14: 5,426 OI2026-10-15: 5,505 OI2026-10-16: 5,176 OI2026-10-21: 5,179 OI2026-10-23: 5,203 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, 20265,203+24
Oct 21, 2026Viewing5,179+3
Oct 16, 20265,176-329
Oct 15, 20265,505+79
Oct 14, 20265,4260
Oct 13, 20265,426+22
Oct 09, 20265,404-60
Oct 08, 20265,4640
Oct 07, 20265,464+39
Oct 06, 20265,425-220
Oct 05, 20265,645-6
Oct 02, 20265,651No prior observation