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Contract OI history

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Nov 20, 2026 EXPIRATION

STM $37.00 Put

STM261120P00037000

Latest saved OI3,996Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $37.00 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. 3,9961,9980 2026-10-02: 3,972 OI2026-10-05: 3,972 OI2026-10-06: 3,972 OI2026-10-07: 3,972 OI2026-10-08: 3,972 OI2026-10-09: 3,971 OI2026-10-13: 3,973 OI2026-10-14: 3,973 OI2026-10-15: 3,986 OI2026-10-16: 3,986 OI2026-10-21: 3,996 OI2026-10-23: 3,996 OI Oct 02, 2026Oct 23, 2026

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

STM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,9960
Oct 21, 20263,996+10
Oct 16, 20263,9860
Oct 15, 20263,986+13
Oct 14, 20263,9730
Oct 13, 20263,973+2
Oct 09, 20263,971-1
Oct 08, 20263,9720
Oct 07, 20263,9720
Oct 06, 20263,9720
Oct 05, 20263,9720
Oct 02, 20263,972No prior observation