OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

SMR $4.00 Put

SMR261120P00004000

Latest saved OI1,230Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SMR $4.00 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. 1,2316150 2026-10-02: 984 OI2026-10-05: 989 OI2026-10-06: 988 OI2026-10-07: 988 OI2026-10-08: 988 OI2026-10-09: 1,092 OI2026-10-13: 1,086 OI2026-10-14: 1,086 OI2026-10-15: 1,010 OI2026-10-16: 1,008 OI2026-10-21: 1,231 OI2026-10-23: 1,230 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, 20261,230-1
Oct 21, 2026Viewing1,231+223
Oct 16, 20261,008-2
Oct 15, 20261,010-76
Oct 14, 20261,0860
Oct 13, 20261,086-6
Oct 09, 20261,092+104
Oct 08, 20269880
Oct 07, 20269880
Oct 06, 2026988-1
Oct 05, 2026989+5
Oct 02, 2026984No prior observation