OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SLG $40.00 Put

SLG270115P00040000

Latest saved OI1,089Oct 23, 2026
Last change0vs 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. 1,0895440 2026-10-02: 1,076 OI2026-10-05: 1,076 OI2026-10-07: 1,076 OI2026-10-08: 1,076 OI2026-10-09: 1,076 OI2026-10-13: 1,078 OI2026-10-14: 1,078 OI2026-10-15: 1,086 OI2026-10-20: 1,089 OI2026-10-23: 1,089 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, 2026Viewing1,0890
Oct 20, 20261,089+3
Oct 15, 20261,086+8
Oct 14, 20261,0780
Oct 13, 20261,078+2
Oct 09, 20261,0760
Oct 08, 20261,0760
Oct 07, 20261,0760
Oct 05, 20261,0760
Oct 02, 20261,076No prior observation