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Contract OI history

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Oct 30, 2026 EXPIRATION

MSFT $532.50 Call

MSFT261030C00532500

Latest saved OI285Oct 23, 2026
Last change+100vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $532.50 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. 2851420 2026-10-09: 0 OI2026-10-13: 11 OI2026-10-14: 11 OI2026-10-15: 34 OI2026-10-16: 71 OI2026-10-21: 185 OI2026-10-23: 285 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, 2026Viewing285+100
Oct 21, 2026185+114
Oct 16, 202671+37
Oct 15, 202634+23
Oct 14, 2026110
Oct 13, 202611+11
Oct 09, 20260No prior observation