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Contract OI history

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Nov 27, 2026 EXPIRATION

STM $43.00 Put

STM261127P00043000

Latest saved OI13Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $43.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1470 2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 5 OI2026-10-16: 5 OI2026-10-21: 14 OI2026-10-23: 13 OI Oct 09, 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, 202613-1
Oct 21, 2026Viewing14+9
Oct 16, 202650
Oct 15, 20265+5
Oct 14, 202600
Oct 13, 202600
Oct 09, 20260No prior observation