OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

VRTX $450.00 Put

VRTX280121P00450000

Latest saved OI111Oct 23, 2026
Last change+7vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
VRTX $450.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 111550 2026-10-09: 104 OI2026-10-14: 104 OI2026-10-15: 104 OI2026-10-16: 104 OI2026-10-21: 104 OI2026-10-23: 111 OI Oct 09, 2026Oct 23, 2026

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

VRTX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing111+7
Oct 21, 20261040
Oct 16, 20261040
Oct 15, 20261040
Oct 14, 20261040
Oct 09, 2026104No prior observation