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Contract OI history

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Sep 17, 2027 EXPIRATION

MSFT $410.00 Put

MSFT270917P00410000

Latest saved OI592Oct 23, 2026
Last change+287vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $410.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5922960 2026-10-09: 247 OI2026-10-13: 296 OI2026-10-14: 296 OI2026-10-15: 301 OI2026-10-16: 301 OI2026-10-21: 305 OI2026-10-23: 592 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, 2026Viewing592+287
Oct 21, 2026305+4
Oct 16, 20263010
Oct 15, 2026301+5
Oct 14, 20262960
Oct 13, 2026296+49
Oct 09, 2026247No prior observation