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Contract OI history

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Oct 30, 2026 EXPIRATION

MSFT $535.00 Call

MSFT261030C00535000

Latest saved OI1,894Oct 23, 2026
Last change+724vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $535.00 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. 1,8949470 2026-10-09: 887 OI2026-10-13: 835 OI2026-10-14: 835 OI2026-10-15: 822 OI2026-10-16: 828 OI2026-10-21: 1,170 OI2026-10-23: 1,894 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, 2026Viewing1,894+724
Oct 21, 20261,170+342
Oct 16, 2026828+6
Oct 15, 2026822-13
Oct 14, 20268350
Oct 13, 2026835-52
Oct 09, 2026887No prior observation