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Contract OI history

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Dec 18, 2026 EXPIRATION

MSFT $500.00 Call

MSFT261218C00500000

Latest saved OI11,545Oct 23, 2026
Last change-50vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $500.00 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. 12,2776,1380 2026-10-09: 12,277 OI2026-10-13: 12,167 OI2026-10-14: 12,167 OI2026-10-15: 11,705 OI2026-10-16: 11,674 OI2026-10-21: 11,595 OI2026-10-23: 11,545 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, 2026Viewing11,545-50
Oct 21, 202611,595-79
Oct 16, 202611,674-31
Oct 15, 202611,705-462
Oct 14, 202612,1670
Oct 13, 202612,167-110
Oct 09, 202612,277No prior observation