OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BLNK $2.50 Call

BLNK280121C00002500

Latest saved OI464Oct 23, 2026
Last change-3vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BLNK $2.50 call open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 4732360 2026-10-08: 463 OI2026-10-13: 472 OI2026-10-15: 469 OI2026-10-16: 473 OI2026-10-21: 467 OI2026-10-23: 464 OI Oct 08, 2026Oct 23, 2026

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

BLNK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing464-3
Oct 21, 2026467-6
Oct 16, 2026473+4
Oct 15, 2026469-3
Oct 13, 2026472+9
Oct 08, 2026463No prior observation