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Contract OI history

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Nov 20, 2026 EXPIRATION

MS $170.00 Put

MS261120P00170000

Latest saved OI3,838Oct 23, 2026
Last change-32vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $170.00 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. 4,4662,2330 2026-10-02: 682 OI2026-10-05: 691 OI2026-10-06: 759 OI2026-10-07: 804 OI2026-10-08: 804 OI2026-10-09: 1,475 OI2026-10-13: 4,372 OI2026-10-14: 4,372 OI2026-10-15: 4,466 OI2026-10-16: 3,947 OI2026-10-21: 3,870 OI2026-10-23: 3,838 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, 2026Viewing3,838-32
Oct 21, 20263,870-77
Oct 16, 20263,947-519
Oct 15, 20264,466+94
Oct 14, 20264,3720
Oct 13, 20264,372+2,897
Oct 09, 20261,475+671
Oct 08, 20268040
Oct 07, 2026804+45
Oct 06, 2026759+68
Oct 05, 2026691+9
Oct 02, 2026682No prior observation