OITracker Cboe delayed data

Contract OI history

Back to FLEX

Jan 21, 2028 EXPIRATION

FLEX $100.00 Call

FLEX280121C00100000

Latest saved OI506Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FLEX $100.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5092540 2026-10-09: 507 OI2026-10-13: 509 OI2026-10-14: 507 OI2026-10-15: 505 OI2026-10-16: 504 OI2026-10-21: 506 OI2026-10-23: 506 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, 2026Viewing5060
Oct 21, 2026506+2
Oct 16, 2026504-1
Oct 15, 2026505-2
Oct 14, 2026507-2
Oct 13, 2026509+2
Oct 09, 2026507No prior observation