OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BSX $60.00 Put

BSX280121P00060000

Latest saved OI4,300Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BSX $60.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4,3082,1540 2026-10-02: 4,305 OI2026-10-05: 4,308 OI2026-10-06: 4,298 OI2026-10-07: 4,298 OI2026-10-08: 4,298 OI2026-10-09: 4,300 OI2026-10-13: 4,300 OI2026-10-14: 4,300 OI2026-10-15: 4,300 OI2026-10-16: 4,300 OI2026-10-21: 4,300 OI2026-10-23: 4,300 OI Oct 02, 2026Oct 23, 2026

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

BSX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,3000
Oct 21, 20264,3000
Oct 16, 20264,3000
Oct 15, 20264,3000
Oct 14, 20264,3000
Oct 13, 20264,3000
Oct 09, 20264,300+2
Oct 08, 20264,2980
Oct 07, 20264,2980
Oct 06, 20264,298-10
Oct 05, 20264,308+3
Oct 02, 20264,305No prior observation