OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

PCVX $55.00 Put

PCVX280121P00055000

Latest saved OI117Oct 23, 2026
Last change+1vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
PCVX $55.00 put open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 117580 2026-10-08: 116 OI2026-10-09: 116 OI2026-10-13: 116 OI2026-10-14: 116 OI2026-10-15: 116 OI2026-10-16: 116 OI2026-10-21: 116 OI2026-10-23: 117 OI Oct 08, 2026Oct 23, 2026

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

PCVX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing117+1
Oct 21, 20261160
Oct 16, 20261160
Oct 15, 20261160
Oct 14, 20261160
Oct 13, 20261160
Oct 09, 20261160
Oct 08, 2026116No prior observation