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Contract OI history

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Nov 20, 2026 EXPIRATION

MKSI $240.00 Call

MKSI261120C00240000

Latest saved OI802Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MKSI $240.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 8024010 2026-10-09: 325 OI2026-10-13: 325 OI2026-10-14: 575 OI2026-10-15: 776 OI2026-10-16: 776 OI2026-10-21: 792 OI2026-10-23: 802 OI Oct 09, 2026Oct 23, 2026

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

MKSI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026802+10
Oct 21, 2026Viewing792+16
Oct 16, 20267760
Oct 15, 2026776+201
Oct 14, 2026575+250
Oct 13, 20263250
Oct 09, 2026325No prior observation