OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

SM $15.00 Put

SM261218P00015000

Latest saved OI541Oct 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 $15.00 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. 5512750 2026-10-02: 551 OI2026-10-05: 551 OI2026-10-07: 551 OI2026-10-08: 551 OI2026-10-09: 551 OI2026-10-13: 541 OI2026-10-15: 541 OI2026-10-16: 541 OI2026-10-21: 541 OI2026-10-23: 541 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, 20265410
Oct 21, 2026Viewing5410
Oct 16, 20265410
Oct 15, 20265410
Oct 13, 2026541-10
Oct 09, 20265510
Oct 08, 20265510
Oct 07, 20265510
Oct 05, 20265510
Oct 02, 2026551No prior observation