OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

VRTX $500.00 Put

VRTX261030P00500000

Latest saved OI527Oct 23, 2026
Last change-3vs 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. 5302650 2026-10-09: 522 OI2026-10-14: 519 OI2026-10-15: 519 OI2026-10-16: 519 OI2026-10-21: 530 OI2026-10-23: 527 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, 2026Viewing527-3
Oct 21, 2026530+11
Oct 16, 20265190
Oct 15, 20265190
Oct 14, 2026519-3
Oct 09, 2026522No prior observation