OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SMR $4.00 Put

SMR270115P00004000

Latest saved OI710Oct 23, 2026
Last change0vs 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. 7103550 2026-10-02: 576 OI2026-10-05: 576 OI2026-10-06: 576 OI2026-10-07: 576 OI2026-10-08: 576 OI2026-10-09: 576 OI2026-10-13: 700 OI2026-10-14: 700 OI2026-10-15: 700 OI2026-10-16: 709 OI2026-10-21: 710 OI2026-10-23: 710 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, 2026Viewing7100
Oct 21, 2026710+1
Oct 16, 2026709+9
Oct 15, 20267000
Oct 14, 20267000
Oct 13, 2026700+124
Oct 09, 20265760
Oct 08, 20265760
Oct 07, 20265760
Oct 06, 20265760
Oct 05, 20265760
Oct 02, 2026576No prior observation