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Contract OI history

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Nov 20, 2026 EXPIRATION

MKSI $280.00 Call

MKSI261120C00280000

Latest saved OI172Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MKSI $280.00 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. 173860 2026-10-09: 128 OI2026-10-13: 128 OI2026-10-14: 128 OI2026-10-15: 129 OI2026-10-16: 169 OI2026-10-21: 173 OI2026-10-23: 172 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, 2026Viewing172-1
Oct 21, 2026173+4
Oct 16, 2026169+40
Oct 15, 2026129+1
Oct 14, 20261280
Oct 13, 20261280
Oct 09, 2026128No prior observation