OITracker Cboe delayed data

Contract OI history

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Feb 19, 2027 EXPIRATION

SM $20.00 Put

SM270219P00020000

Latest saved OI108Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SM $20.00 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. 108540 2026-10-02: 90 OI2026-10-05: 90 OI2026-10-07: 90 OI2026-10-08: 100 OI2026-10-09: 100 OI2026-10-13: 100 OI2026-10-15: 106 OI2026-10-16: 108 OI2026-10-21: 108 OI2026-10-23: 108 OI Oct 02, 2026Oct 23, 2026

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

SM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1080
Oct 21, 20261080
Oct 16, 2026108+2
Oct 15, 2026106+6
Oct 13, 20261000
Oct 09, 20261000
Oct 08, 2026100+10
Oct 07, 2026900
Oct 05, 2026900
Oct 02, 202690No prior observation