OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

SLG $40.00 Put

SLG261120P00040000

Latest saved OI464Oct 23, 2026
Last change+23vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SLG $40.00 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. 4642320 2026-10-02: 325 OI2026-10-05: 326 OI2026-10-07: 326 OI2026-10-08: 326 OI2026-10-09: 426 OI2026-10-13: 426 OI2026-10-14: 426 OI2026-10-15: 426 OI2026-10-20: 441 OI2026-10-23: 464 OI Oct 02, 2026Oct 23, 2026

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

SLG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing464+23
Oct 20, 2026441+15
Oct 15, 20264260
Oct 14, 20264260
Oct 13, 20264260
Oct 09, 2026426+100
Oct 08, 20263260
Oct 07, 20263260
Oct 05, 2026326+1
Oct 02, 2026325No prior observation