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Contract OI history

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Nov 20, 2026 EXPIRATION

SLM $23.00 Put

SLM261120P00023000

Latest saved OI290Oct 23, 2026
Last change+153vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SLM $23.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2901450 2026-10-09: 51 OI2026-10-13: 51 OI2026-10-14: 51 OI2026-10-15: 51 OI2026-10-16: 132 OI2026-10-21: 137 OI2026-10-23: 290 OI Oct 09, 2026Oct 23, 2026

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

SLM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026290+153
Oct 21, 2026Viewing137+5
Oct 16, 2026132+81
Oct 15, 2026510
Oct 14, 2026510
Oct 13, 2026510
Oct 09, 202651No prior observation