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Contract OI history

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Oct 30, 2026 EXPIRATION

MS $172.50 Put

MS261030P00172500

Latest saved OI866Oct 23, 2026
Last change-10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $172.50 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. 8764380 2026-10-09: 0 OI2026-10-13: 145 OI2026-10-14: 145 OI2026-10-15: 787 OI2026-10-16: 806 OI2026-10-21: 876 OI2026-10-23: 866 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing866-10
Oct 21, 2026876+70
Oct 16, 2026806+19
Oct 15, 2026787+642
Oct 14, 20261450
Oct 13, 2026145+145
Oct 09, 20260No prior observation