OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

SMR $8.50 Put

SMR261030P00008500

Latest saved OI236Oct 23, 2026
Last change-18vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SMR $8.50 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. 5612800 2026-10-02: 375 OI2026-10-05: 377 OI2026-10-06: 374 OI2026-10-07: 381 OI2026-10-08: 381 OI2026-10-09: 507 OI2026-10-13: 555 OI2026-10-14: 555 OI2026-10-15: 561 OI2026-10-16: 561 OI2026-10-21: 254 OI2026-10-23: 236 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, 2026Viewing236-18
Oct 21, 2026254-307
Oct 16, 20265610
Oct 15, 2026561+6
Oct 14, 20265550
Oct 13, 2026555+48
Oct 09, 2026507+126
Oct 08, 20263810
Oct 07, 2026381+7
Oct 06, 2026374-3
Oct 05, 2026377+2
Oct 02, 2026375No prior observation