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Contract OI history

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Jan 15, 2027 EXPIRATION

ONIT $22.50 Put

ONIT270115P00022500

Latest saved OI245Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONIT $22.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2451220 2026-10-02: 0 OI2026-10-05: 36 OI2026-10-06: 69 OI2026-10-07: 105 OI2026-10-08: 137 OI2026-10-09: 193 OI2026-10-13: 211 OI2026-10-14: 228 OI2026-10-16: 245 OI2026-10-20: 245 OI2026-10-23: 245 OI Oct 02, 2026Oct 23, 2026

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

ONIT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262450
Oct 20, 2026Viewing2450
Oct 16, 2026245+17
Oct 14, 2026228+17
Oct 13, 2026211+18
Oct 09, 2026193+56
Oct 08, 2026137+32
Oct 07, 2026105+36
Oct 06, 202669+33
Oct 05, 202636+36
Oct 02, 20260No prior observation