OITracker Cboe delayed data

Contract OI history

Back to FLEX

Nov 20, 2026 EXPIRATION

FLEX $75.00 Put

FLEX261120P00075000

Latest saved OI268Oct 23, 2026
Last change+39vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FLEX $75.00 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. 2681340 2026-10-09: 93 OI2026-10-13: 94 OI2026-10-14: 94 OI2026-10-15: 94 OI2026-10-16: 96 OI2026-10-21: 229 OI2026-10-23: 268 OI Oct 09, 2026Oct 23, 2026

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

FLEX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing268+39
Oct 21, 2026229+133
Oct 16, 202696+2
Oct 15, 2026940
Oct 14, 2026940
Oct 13, 202694+1
Oct 09, 202693No prior observation