OITracker Cboe delayed data

Contract OI history

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Jan 19, 2029 EXPIRATION

SM $20.00 Put

SM290119P00020000

Latest saved OI115Oct 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. 115570 2026-10-02: 70 OI2026-10-05: 70 OI2026-10-07: 70 OI2026-10-08: 70 OI2026-10-09: 109 OI2026-10-13: 109 OI2026-10-15: 115 OI2026-10-16: 115 OI2026-10-21: 115 OI2026-10-23: 115 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, 20261150
Oct 21, 2026Viewing1150
Oct 16, 20261150
Oct 15, 2026115+6
Oct 13, 20261090
Oct 09, 2026109+39
Oct 08, 2026700
Oct 07, 2026700
Oct 05, 2026700
Oct 02, 202670No prior observation