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Contract OI history

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Oct 23, 2026 EXPIRATION

DKNG $21.50 Call

DKNG261023C00021500

Latest saved OI4,662Oct 23, 2026
Last change+2,487vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
DKNG $21.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4,6622,3310 2026-10-09: 213 OI2026-10-13: 382 OI2026-10-14: 382 OI2026-10-15: 382 OI2026-10-16: 408 OI2026-10-21: 2,175 OI2026-10-23: 4,662 OI Oct 09, 2026Oct 23, 2026

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

DKNG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,662+2,487
Oct 21, 20262,175+1,767
Oct 16, 2026408+26
Oct 15, 20263820
Oct 14, 20263820
Oct 13, 2026382+169
Oct 09, 2026213No prior observation