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Contract OI history

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Jan 15, 2027 EXPIRATION

ONON $42.50 Put

ONON270115P00042500

Latest saved OI1,450Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONON $42.50 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. 1,4597290 2026-10-02: 1,459 OI2026-10-05: 1,459 OI2026-10-06: 1,459 OI2026-10-07: 1,459 OI2026-10-08: 1,459 OI2026-10-09: 1,459 OI2026-10-13: 1,459 OI2026-10-14: 1,459 OI2026-10-15: 1,450 OI2026-10-16: 1,450 OI2026-10-21: 1,450 OI2026-10-23: 1,450 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ONON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,4500
Oct 21, 20261,4500
Oct 16, 20261,4500
Oct 15, 20261,450-9
Oct 14, 20261,4590
Oct 13, 20261,4590
Oct 09, 20261,4590
Oct 08, 20261,4590
Oct 07, 20261,4590
Oct 06, 20261,4590
Oct 05, 20261,4590
Oct 02, 20261,459No prior observation