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Contract OI history

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Nov 20, 2026 EXPIRATION

MS $180.00 Put

MS261120P00180000

Latest saved OI2,420Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $180.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,4201,2100 2026-10-02: 987 OI2026-10-05: 999 OI2026-10-06: 1,006 OI2026-10-07: 1,112 OI2026-10-08: 1,112 OI2026-10-09: 1,129 OI2026-10-13: 1,456 OI2026-10-14: 1,456 OI2026-10-15: 2,310 OI2026-10-16: 2,343 OI2026-10-21: 2,418 OI2026-10-23: 2,420 OI Oct 02, 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, 2026Viewing2,420+2
Oct 21, 20262,418+75
Oct 16, 20262,343+33
Oct 15, 20262,310+854
Oct 14, 20261,4560
Oct 13, 20261,456+327
Oct 09, 20261,129+17
Oct 08, 20261,1120
Oct 07, 20261,112+106
Oct 06, 20261,006+7
Oct 05, 2026999+12
Oct 02, 2026987No prior observation