OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

BCRX $8.00 Put

BCRX261218P00008000

Latest saved OI542Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BCRX $8.00 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. 5422710 2026-10-09: 532 OI2026-10-13: 535 OI2026-10-14: 535 OI2026-10-16: 535 OI2026-10-21: 542 OI2026-10-23: 542 OI Oct 09, 2026Oct 23, 2026

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

BCRX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5420
Oct 21, 2026542+7
Oct 16, 20265350
Oct 14, 20265350
Oct 13, 2026535+3
Oct 09, 2026532No prior observation