OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

HTFL $50.00 Call

HTFL270115C00050000

Latest saved OI494Oct 21, 2026
Last change+15vs previous saved observation
Saved market days6Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
HTFL $50.00 call open interest history 6 saved observations from 2026-10-07 to 2026-10-21. Exact values and changes are listed in the table below. 4942470 2026-10-07: 479 OI2026-10-09: 479 OI2026-10-13: 479 OI2026-10-14: 479 OI2026-10-16: 479 OI2026-10-21: 494 OI Oct 07, 2026Oct 21, 2026

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

HTFL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing494+15
Oct 16, 20264790
Oct 14, 20264790
Oct 13, 20264790
Oct 09, 20264790
Oct 07, 2026479No prior observation