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Contract OI history

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Oct 23, 2026 EXPIRATION

STM $53.00 Put

STM261023P00053000

Latest saved OI41Oct 23, 2026
Last change-51vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
STM $53.00 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. 96480 2026-10-02: 64 OI2026-10-05: 27 OI2026-10-06: 27 OI2026-10-07: 27 OI2026-10-08: 27 OI2026-10-09: 96 OI2026-10-13: 96 OI2026-10-14: 96 OI2026-10-15: 96 OI2026-10-16: 96 OI2026-10-21: 92 OI2026-10-23: 41 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, 202641-51
Oct 21, 2026Viewing92-4
Oct 16, 2026960
Oct 15, 2026960
Oct 14, 2026960
Oct 13, 2026960
Oct 09, 202696+69
Oct 08, 2026270
Oct 07, 2026270
Oct 06, 2026270
Oct 05, 202627-37
Oct 02, 202664No prior observation