OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

VRTX $490.00 Put

VRTX261120P00490000

Latest saved OI135Oct 23, 2026
Last change+86vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
VRTX $490.00 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. 135670 2026-10-09: 61 OI2026-10-14: 48 OI2026-10-15: 53 OI2026-10-16: 54 OI2026-10-21: 49 OI2026-10-23: 135 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, 2026Viewing135+86
Oct 21, 202649-5
Oct 16, 202654+1
Oct 15, 202653+5
Oct 14, 202648-13
Oct 09, 202661No prior observation