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Contract OI history

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Nov 20, 2026 EXPIRATION

ONTO $200.00 Call

ONTO261120C00200000

Latest saved OI39Oct 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 $200.00 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. 39190 2026-10-02: 2 OI2026-10-05: 2 OI2026-10-06: 2 OI2026-10-07: 4 OI2026-10-08: 24 OI2026-10-09: 24 OI2026-10-13: 24 OI2026-10-14: 34 OI2026-10-15: 34 OI2026-10-16: 35 OI2026-10-21: 37 OI2026-10-23: 39 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, 2026Viewing39+2
Oct 21, 202637+2
Oct 16, 202635+1
Oct 15, 2026340
Oct 14, 202634+10
Oct 13, 2026240
Oct 09, 2026240
Oct 08, 202624+20
Oct 07, 20264+2
Oct 06, 202620
Oct 05, 202620
Oct 02, 20262No prior observation