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Contract OI history

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Dec 17, 2027 EXPIRATION

MSFT $280.00 Call

MSFT271217C00280000

Latest saved OI249Oct 23, 2026
Last change+23vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $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. 2491240 2026-10-09: 196 OI2026-10-13: 198 OI2026-10-14: 198 OI2026-10-15: 198 OI2026-10-16: 225 OI2026-10-21: 226 OI2026-10-23: 249 OI Oct 09, 2026Oct 23, 2026

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

MSFT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing249+23
Oct 21, 2026226+1
Oct 16, 2026225+27
Oct 15, 20261980
Oct 14, 20261980
Oct 13, 2026198+2
Oct 09, 2026196No prior observation