OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

SFM $50.00 Put

SFM261120P00050000

Latest saved OI320Oct 23, 2026
Last change-11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SFM $50.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3311650 2026-10-09: 166 OI2026-10-13: 306 OI2026-10-14: 306 OI2026-10-15: 309 OI2026-10-16: 309 OI2026-10-21: 331 OI2026-10-23: 320 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SFM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing320-11
Oct 21, 2026331+22
Oct 16, 20263090
Oct 15, 2026309+3
Oct 14, 20263060
Oct 13, 2026306+140
Oct 09, 2026166No prior observation