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Contract OI history

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Jan 15, 2027 EXPIRATION

MSFT $410.00 Put

MSFT270115P00410000

Latest saved OI7,256Oct 23, 2026
Last change+55vs 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. 7,2563,6280 2026-10-09: 7,235 OI2026-10-13: 7,119 OI2026-10-14: 7,119 OI2026-10-15: 7,116 OI2026-10-16: 7,106 OI2026-10-21: 7,201 OI2026-10-23: 7,256 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, 2026Viewing7,256+55
Oct 21, 20267,201+95
Oct 16, 20267,106-10
Oct 15, 20267,116-3
Oct 14, 20267,1190
Oct 13, 20267,119-116
Oct 09, 20267,235No prior observation