OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

VRTX $500.00 Put

VRTX261023P00500000

Latest saved OI218Oct 23, 2026
Last change+22vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
VRTX $500.00 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. 5562780 2026-10-09: 556 OI2026-10-14: 553 OI2026-10-15: 553 OI2026-10-16: 553 OI2026-10-21: 196 OI2026-10-23: 218 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, 2026Viewing218+22
Oct 21, 2026196-357
Oct 16, 20265530
Oct 15, 20265530
Oct 14, 2026553-3
Oct 09, 2026556No prior observation