OITracker Cboe delayed data

Contract OI history

Back to BLSH

Dec 18, 2026 EXPIRATION

BLSH $35.00 Call

BLSH261218C00035000

Latest saved OI634Oct 23, 2026
Last change+6vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BLSH $35.00 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. 6483240 2026-10-02: 648 OI2026-10-05: 648 OI2026-10-06: 618 OI2026-10-07: 598 OI2026-10-08: 591 OI2026-10-09: 599 OI2026-10-13: 621 OI2026-10-14: 647 OI2026-10-16: 646 OI2026-10-20: 628 OI2026-10-23: 634 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, 2026Viewing634+6
Oct 20, 2026628-18
Oct 16, 2026646-1
Oct 14, 2026647+26
Oct 13, 2026621+22
Oct 09, 2026599+8
Oct 08, 2026591-7
Oct 07, 2026598-20
Oct 06, 2026618-30
Oct 05, 20266480
Oct 02, 2026648No prior observation