OITracker Cboe delayed data

Contract OI history

Back to SFM

Jan 21, 2028 EXPIRATION

SFM $70.00 Put

SFM280121P00070000

Latest saved OI182Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SFM $70.00 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. 184920 2026-10-09: 184 OI2026-10-13: 182 OI2026-10-14: 182 OI2026-10-15: 182 OI2026-10-16: 182 OI2026-10-21: 182 OI2026-10-23: 182 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, 2026Viewing1820
Oct 21, 20261820
Oct 16, 20261820
Oct 15, 20261820
Oct 14, 20261820
Oct 13, 2026182-2
Oct 09, 2026184No prior observation