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Contract OI history

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Oct 23, 2026 EXPIRATION

ONON $32.50 Put

ONON261023P00032500

Latest saved OI551Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
ONON $32.50 put open interest history 11 saved observations from 2026-10-05 to 2026-10-23. Exact values and changes are listed in the table below. 5512750 2026-10-05: 0 OI2026-10-06: 27 OI2026-10-07: 27 OI2026-10-08: 27 OI2026-10-09: 496 OI2026-10-13: 496 OI2026-10-14: 496 OI2026-10-15: 496 OI2026-10-16: 518 OI2026-10-21: 551 OI2026-10-23: 551 OI Oct 05, 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, 2026Viewing5510
Oct 21, 2026551+33
Oct 16, 2026518+22
Oct 15, 20264960
Oct 14, 20264960
Oct 13, 20264960
Oct 09, 2026496+469
Oct 08, 2026270
Oct 07, 2026270
Oct 06, 202627+27
Oct 05, 20260No prior observation