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Contract OI history

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Jan 21, 2028 EXPIRATION

DOW $40.00 Call

DOW280121C00040000

Latest saved OI2,171Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $40.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,1711,0850 2026-10-02: 2,131 OI2026-10-05: 2,145 OI2026-10-06: 2,145 OI2026-10-07: 2,149 OI2026-10-08: 2,149 OI2026-10-09: 2,150 OI2026-10-13: 2,150 OI2026-10-14: 2,150 OI2026-10-15: 2,150 OI2026-10-16: 2,150 OI2026-10-21: 2,169 OI2026-10-23: 2,171 OI Oct 02, 2026Oct 23, 2026

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

DOW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,171+2
Oct 21, 20262,169+19
Oct 16, 20262,1500
Oct 15, 20262,1500
Oct 14, 20262,1500
Oct 13, 20262,1500
Oct 09, 20262,150+1
Oct 08, 20262,1490
Oct 07, 20262,149+4
Oct 06, 20262,1450
Oct 05, 20262,145+14
Oct 02, 20262,131No prior observation