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Contract OI history

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Feb 19, 2027 EXPIRATION

SM $22.50 Put

SM270219P00022500

Latest saved OI91Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SM $22.50 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 105520 2026-10-02: 105 OI2026-10-05: 105 OI2026-10-07: 105 OI2026-10-08: 105 OI2026-10-09: 105 OI2026-10-13: 105 OI2026-10-15: 104 OI2026-10-16: 104 OI2026-10-21: 91 OI2026-10-23: 91 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026910
Oct 21, 2026Viewing91-13
Oct 16, 20261040
Oct 15, 2026104-1
Oct 13, 20261050
Oct 09, 20261050
Oct 08, 20261050
Oct 07, 20261050
Oct 05, 20261050
Oct 02, 2026105No prior observation