OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

SMR $10.50 Put

SMR261030P00010500

Latest saved OI48Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SMR $10.50 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. 3641820 2026-10-02: 353 OI2026-10-05: 364 OI2026-10-06: 188 OI2026-10-07: 177 OI2026-10-08: 177 OI2026-10-09: 155 OI2026-10-13: 105 OI2026-10-14: 105 OI2026-10-15: 56 OI2026-10-16: 54 OI2026-10-21: 50 OI2026-10-23: 48 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, 2026Viewing48-2
Oct 21, 202650-4
Oct 16, 202654-2
Oct 15, 202656-49
Oct 14, 20261050
Oct 13, 2026105-50
Oct 09, 2026155-22
Oct 08, 20261770
Oct 07, 2026177-11
Oct 06, 2026188-176
Oct 05, 2026364+11
Oct 02, 2026353No prior observation