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Contract OI history

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Nov 20, 2026 EXPIRATION

SQM $55.00 Put

SQM261120P00055000

Latest saved OI90Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SQM $55.00 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. 90450 2026-10-02: 75 OI2026-10-05: 75 OI2026-10-06: 75 OI2026-10-07: 75 OI2026-10-08: 75 OI2026-10-09: 75 OI2026-10-13: 88 OI2026-10-14: 88 OI2026-10-15: 88 OI2026-10-20: 89 OI2026-10-23: 90 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, 202690+1
Oct 20, 2026Viewing89+1
Oct 15, 2026880
Oct 14, 2026880
Oct 13, 202688+13
Oct 09, 2026750
Oct 08, 2026750
Oct 07, 2026750
Oct 06, 2026750
Oct 05, 2026750
Oct 02, 202675No prior observation