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Contract OI history

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Nov 20, 2026 EXPIRATION

STM $65.00 Put

STM261120P00065000

Latest saved OI439Oct 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 $65.00 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. 4392190 2026-10-02: 433 OI2026-10-05: 434 OI2026-10-06: 439 OI2026-10-07: 439 OI2026-10-08: 439 OI2026-10-09: 439 OI2026-10-13: 439 OI2026-10-14: 439 OI2026-10-15: 439 OI2026-10-16: 439 OI2026-10-21: 439 OI2026-10-23: 439 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, 2026Viewing4390
Oct 21, 20264390
Oct 16, 20264390
Oct 15, 20264390
Oct 14, 20264390
Oct 13, 20264390
Oct 09, 20264390
Oct 08, 20264390
Oct 07, 20264390
Oct 06, 2026439+5
Oct 05, 2026434+1
Oct 02, 2026433No prior observation