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Contract OI history

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Jan 21, 2028 EXPIRATION

SQM $40.00 Put

SQM280121P00040000

Latest saved OI845Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SQM $40.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8454220 2026-10-02: 844 OI2026-10-05: 844 OI2026-10-06: 845 OI2026-10-07: 845 OI2026-10-08: 845 OI2026-10-09: 845 OI2026-10-13: 845 OI2026-10-14: 845 OI2026-10-15: 845 OI2026-10-20: 845 OI2026-10-23: 845 OI Oct 02, 2026Oct 23, 2026

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

SQM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20268450
Oct 20, 2026Viewing8450
Oct 15, 20268450
Oct 14, 20268450
Oct 13, 20268450
Oct 09, 20268450
Oct 08, 20268450
Oct 07, 20268450
Oct 06, 2026845+1
Oct 05, 20268440
Oct 02, 2026844No prior observation