OITracker Cboe delayed data

Contract OI history

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Jun 17, 2027 EXPIRATION

VRTX $320.00 Put

VRTX270617P00320000

Latest saved OI115Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
VRTX $320.00 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. 115570 2026-10-09: 68 OI2026-10-14: 69 OI2026-10-15: 69 OI2026-10-16: 114 OI2026-10-21: 115 OI2026-10-23: 115 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, 2026Viewing1150
Oct 21, 2026115+1
Oct 16, 2026114+45
Oct 15, 2026690
Oct 14, 202669+1
Oct 09, 202668No prior observation