OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BCRX $10.00 Put

BCRX280121P00010000

Latest saved OI1,348Oct 23, 2026
Last change+2vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BCRX $10.00 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. 1,3486740 2026-10-09: 775 OI2026-10-13: 775 OI2026-10-14: 775 OI2026-10-16: 821 OI2026-10-21: 1,346 OI2026-10-23: 1,348 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, 2026Viewing1,348+2
Oct 21, 20261,346+525
Oct 16, 2026821+46
Oct 14, 20267750
Oct 13, 20267750
Oct 09, 2026775No prior observation