OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

SMR $11.50 Put

SMR261030P00011500

Latest saved OI89Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SMR $11.50 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. 3621810 2026-10-02: 357 OI2026-10-05: 362 OI2026-10-06: 266 OI2026-10-07: 191 OI2026-10-08: 191 OI2026-10-09: 184 OI2026-10-13: 140 OI2026-10-14: 140 OI2026-10-15: 91 OI2026-10-16: 91 OI2026-10-21: 92 OI2026-10-23: 89 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, 202689-3
Oct 21, 2026Viewing92+1
Oct 16, 2026910
Oct 15, 202691-49
Oct 14, 20261400
Oct 13, 2026140-44
Oct 09, 2026184-7
Oct 08, 20261910
Oct 07, 2026191-75
Oct 06, 2026266-96
Oct 05, 2026362+5
Oct 02, 2026357No prior observation