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Contract OI history

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Jan 21, 2028 EXPIRATION

BLNK $1000.00 Put

BLNK280121P00001000

Latest saved OI323Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BLNK $1000.00 put open interest history 6 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3231610 2026-10-08: 316 OI2026-10-13: 316 OI2026-10-15: 316 OI2026-10-16: 323 OI2026-10-21: 323 OI2026-10-23: 323 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, 2026Viewing3230
Oct 21, 20263230
Oct 16, 2026323+7
Oct 15, 20263160
Oct 13, 20263160
Oct 08, 2026316No prior observation