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Contract OI history

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Jan 15, 2027 EXPIRATION

ZETA $15.00 Put

ZETA270115P00015000

Latest saved OI1,542Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $15.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,5677830 2026-10-02: 1,567 OI2026-10-05: 1,567 OI2026-10-06: 1,567 OI2026-10-07: 1,566 OI2026-10-08: 1,566 OI2026-10-09: 1,566 OI2026-10-13: 1,565 OI2026-10-14: 1,565 OI2026-10-15: 1,563 OI2026-10-16: 1,563 OI2026-10-21: 1,540 OI2026-10-23: 1,542 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, 20261,542+2
Oct 21, 2026Viewing1,540-23
Oct 16, 20261,5630
Oct 15, 20261,563-2
Oct 14, 20261,5650
Oct 13, 20261,565-1
Oct 09, 20261,5660
Oct 08, 20261,5660
Oct 07, 20261,566-1
Oct 06, 20261,5670
Oct 05, 20261,5670
Oct 02, 20261,567No prior observation