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Contract OI history

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Dec 18, 2026 EXPIRATION

ONON $35.00 Put

ONON261218P00035000

Latest saved OI2,888Oct 23, 2026
Last change+15vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONON $35.00 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. 2,8881,4440 2026-10-02: 2,597 OI2026-10-05: 2,597 OI2026-10-06: 2,595 OI2026-10-07: 2,597 OI2026-10-08: 2,597 OI2026-10-09: 2,639 OI2026-10-13: 2,647 OI2026-10-14: 2,647 OI2026-10-15: 2,665 OI2026-10-16: 2,656 OI2026-10-21: 2,873 OI2026-10-23: 2,888 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, 2026Viewing2,888+15
Oct 21, 20262,873+217
Oct 16, 20262,656-9
Oct 15, 20262,665+18
Oct 14, 20262,6470
Oct 13, 20262,647+8
Oct 09, 20262,639+42
Oct 08, 20262,5970
Oct 07, 20262,597+2
Oct 06, 20262,595-2
Oct 05, 20262,5970
Oct 02, 20262,597No prior observation