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Contract OI history

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Mar 19, 2027 EXPIRATION

ONTO $360.00 Call

ONTO270319C00360000

Latest saved OI18Oct 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
ONTO $360.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1890 2026-10-02: 10 OI2026-10-05: 10 OI2026-10-06: 10 OI2026-10-07: 9 OI2026-10-08: 9 OI2026-10-09: 9 OI2026-10-13: 9 OI2026-10-14: 10 OI2026-10-15: 10 OI2026-10-16: 10 OI2026-10-21: 16 OI2026-10-23: 18 OI Oct 02, 2026Oct 23, 2026

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

ONTO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing18+2
Oct 21, 202616+6
Oct 16, 2026100
Oct 15, 2026100
Oct 14, 202610+1
Oct 13, 202690
Oct 09, 202690
Oct 08, 202690
Oct 07, 20269-1
Oct 06, 2026100
Oct 05, 2026100
Oct 02, 202610No prior observation