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Contract OI history

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Jan 21, 2028 EXPIRATION

STM $75.00 Put

STM280121P00075000

Latest saved OI2,251Oct 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 $75.00 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. 2,2511,1250 2026-10-02: 2,246 OI2026-10-05: 2,251 OI2026-10-06: 2,251 OI2026-10-07: 2,251 OI2026-10-08: 2,251 OI2026-10-09: 2,251 OI2026-10-13: 2,251 OI2026-10-14: 2,251 OI2026-10-15: 2,251 OI2026-10-16: 2,251 OI2026-10-21: 2,251 OI2026-10-23: 2,251 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, 2026Viewing2,2510
Oct 21, 20262,2510
Oct 16, 20262,2510
Oct 15, 20262,2510
Oct 14, 20262,2510
Oct 13, 20262,2510
Oct 09, 20262,2510
Oct 08, 20262,2510
Oct 07, 20262,2510
Oct 06, 20262,2510
Oct 05, 20262,251+5
Oct 02, 20262,246No prior observation