OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

SMR $18.00 Call

SMR280121C00018000

Latest saved OI1,622Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SMR $18.00 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. 1,6358170 2026-10-02: 1,607 OI2026-10-05: 1,607 OI2026-10-06: 1,626 OI2026-10-07: 1,635 OI2026-10-08: 1,635 OI2026-10-09: 1,582 OI2026-10-13: 1,591 OI2026-10-14: 1,591 OI2026-10-15: 1,551 OI2026-10-16: 1,561 OI2026-10-21: 1,626 OI2026-10-23: 1,622 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, 2026Viewing1,622-4
Oct 21, 20261,626+65
Oct 16, 20261,561+10
Oct 15, 20261,551-40
Oct 14, 20261,5910
Oct 13, 20261,591+9
Oct 09, 20261,582-53
Oct 08, 20261,6350
Oct 07, 20261,635+9
Oct 06, 20261,626+19
Oct 05, 20261,6070
Oct 02, 20261,607No prior observation