OITracker Cboe delayed data

Contract OI history

Back to FRMI

Jan 21, 2028 EXPIRATION

FRMI $17.50 Put

FRMI280121P00017500

Latest saved OI0Oct 23, 2026
Last change-205vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FRMI $17.50 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. 2961480 2026-10-09: 296 OI2026-10-13: 296 OI2026-10-14: 296 OI2026-10-15: 296 OI2026-10-16: 296 OI2026-10-21: 205 OI2026-10-23: 0 OI Oct 09, 2026Oct 23, 2026

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

FRMI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing0-205
Oct 21, 2026205-91
Oct 16, 20262960
Oct 15, 20262960
Oct 14, 20262960
Oct 13, 20262960
Oct 09, 2026296No prior observation