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Contract OI history

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Dec 17, 2027 EXPIRATION

MSFT $310.00 Call

MSFT271217C00310000

Latest saved OI295Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $310.00 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. 2951470 2026-10-09: 207 OI2026-10-13: 204 OI2026-10-14: 204 OI2026-10-15: 203 OI2026-10-16: 210 OI2026-10-21: 291 OI2026-10-23: 295 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, 2026Viewing295+4
Oct 21, 2026291+81
Oct 16, 2026210+7
Oct 15, 2026203-1
Oct 14, 20262040
Oct 13, 2026204-3
Oct 09, 2026207No prior observation