OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

SMR $15.00 Put

SMR280121P00015000

Latest saved OI826Oct 23, 2026
Last change-14vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SMR $15.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8484240 2026-10-02: 758 OI2026-10-05: 758 OI2026-10-06: 758 OI2026-10-07: 758 OI2026-10-08: 758 OI2026-10-09: 758 OI2026-10-13: 822 OI2026-10-14: 822 OI2026-10-15: 823 OI2026-10-16: 848 OI2026-10-21: 840 OI2026-10-23: 826 OI Oct 02, 2026Oct 23, 2026

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

SMR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026826-14
Oct 21, 2026Viewing840-8
Oct 16, 2026848+25
Oct 15, 2026823+1
Oct 14, 20268220
Oct 13, 2026822+64
Oct 09, 20267580
Oct 08, 20267580
Oct 07, 20267580
Oct 06, 20267580
Oct 05, 20267580
Oct 02, 2026758No prior observation