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Contract OI history

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Nov 19, 2027 EXPIRATION

STM $45.00 Put

STM271119P00045000

Latest saved OI73Oct 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 $45.00 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. 73360 2026-10-02: 71 OI2026-10-05: 71 OI2026-10-06: 71 OI2026-10-07: 71 OI2026-10-08: 71 OI2026-10-09: 71 OI2026-10-13: 72 OI2026-10-14: 72 OI2026-10-15: 72 OI2026-10-16: 72 OI2026-10-21: 73 OI2026-10-23: 73 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, 2026Viewing730
Oct 21, 202673+1
Oct 16, 2026720
Oct 15, 2026720
Oct 14, 2026720
Oct 13, 202672+1
Oct 09, 2026710
Oct 08, 2026710
Oct 07, 2026710
Oct 06, 2026710
Oct 05, 2026710
Oct 02, 202671No prior observation