OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SLS $21.00 Put

SLS270115P00021000

Latest saved OI249Oct 23, 2026
Last change+24vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SLS $21.00 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. 2491240 2026-10-09: 224 OI2026-10-13: 224 OI2026-10-14: 224 OI2026-10-15: 225 OI2026-10-16: 225 OI2026-10-21: 225 OI2026-10-23: 249 OI Oct 09, 2026Oct 23, 2026

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

SLS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing249+24
Oct 21, 20262250
Oct 16, 20262250
Oct 15, 2026225+1
Oct 14, 20262240
Oct 13, 20262240
Oct 09, 2026224No prior observation