OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SMR $40.00 Call

SMR270115C00040000

Latest saved OI7,429Oct 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 $40.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7,5593,7790 2026-10-02: 7,559 OI2026-10-05: 7,498 OI2026-10-06: 7,472 OI2026-10-07: 7,472 OI2026-10-08: 7,472 OI2026-10-09: 7,475 OI2026-10-13: 7,468 OI2026-10-14: 7,468 OI2026-10-15: 7,467 OI2026-10-16: 7,474 OI2026-10-21: 7,432 OI2026-10-23: 7,429 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, 2026Viewing7,429-3
Oct 21, 20267,432-42
Oct 16, 20267,474+7
Oct 15, 20267,467-1
Oct 14, 20267,4680
Oct 13, 20267,468-7
Oct 09, 20267,475+3
Oct 08, 20267,4720
Oct 07, 20267,4720
Oct 06, 20267,472-26
Oct 05, 20267,498-61
Oct 02, 20267,559No prior observation