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Contract OI history

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Oct 23, 2026 EXPIRATION

MSFT $527.50 Call

MSFT261023C00527500

Latest saved OI1,309Oct 23, 2026
Last change+658vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $527.50 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. 1,3096540 2026-10-09: 297 OI2026-10-13: 468 OI2026-10-14: 468 OI2026-10-15: 379 OI2026-10-16: 384 OI2026-10-21: 651 OI2026-10-23: 1,309 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, 2026Viewing1,309+658
Oct 21, 2026651+267
Oct 16, 2026384+5
Oct 15, 2026379-89
Oct 14, 20264680
Oct 13, 2026468+171
Oct 09, 2026297No prior observation