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Contract OI history

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Jan 19, 2029 EXPIRATION

MSFT $540.00 Put

MSFT290119P00540000

Latest saved OI192Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $540.00 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. 192960 2026-10-09: 157 OI2026-10-13: 182 OI2026-10-14: 182 OI2026-10-15: 188 OI2026-10-16: 189 OI2026-10-21: 192 OI2026-10-23: 192 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, 2026Viewing1920
Oct 21, 2026192+3
Oct 16, 2026189+1
Oct 15, 2026188+6
Oct 14, 20261820
Oct 13, 2026182+25
Oct 09, 2026157No prior observation