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Contract OI history

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Oct 23, 2026 EXPIRATION

MSFT $335.00 Put

MSFT261023P00335000

Latest saved OI269Oct 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 $335.00 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. 2691340 2026-10-09: 13 OI2026-10-13: 13 OI2026-10-14: 13 OI2026-10-15: 13 OI2026-10-16: 13 OI2026-10-21: 169 OI2026-10-23: 269 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, 2026Viewing269+100
Oct 21, 2026169+156
Oct 16, 2026130
Oct 15, 2026130
Oct 14, 2026130
Oct 13, 2026130
Oct 09, 202613No prior observation