OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BLSH $70.00 Call

BLSH270115C00070000

Latest saved OI460Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLSH $70.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4602300 2026-10-02: 460 OI2026-10-05: 460 OI2026-10-06: 460 OI2026-10-07: 460 OI2026-10-08: 460 OI2026-10-09: 460 OI2026-10-13: 460 OI2026-10-14: 460 OI2026-10-16: 460 OI2026-10-20: 460 OI2026-10-23: 460 OI Oct 02, 2026Oct 23, 2026

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

BLSH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4600
Oct 20, 20264600
Oct 16, 20264600
Oct 14, 20264600
Oct 13, 20264600
Oct 09, 20264600
Oct 08, 20264600
Oct 07, 20264600
Oct 06, 20264600
Oct 05, 20264600
Oct 02, 2026460No prior observation