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Contract OI history

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Jan 21, 2028 EXPIRATION

DOW $27.50 Call

DOW280121C00027500

Latest saved OI1,674Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $27.50 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. 1,6748370 2026-10-02: 1,669 OI2026-10-05: 1,668 OI2026-10-06: 1,668 OI2026-10-07: 1,668 OI2026-10-08: 1,668 OI2026-10-09: 1,668 OI2026-10-13: 1,667 OI2026-10-14: 1,667 OI2026-10-15: 1,667 OI2026-10-16: 1,667 OI2026-10-21: 1,667 OI2026-10-23: 1,674 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, 2026Viewing1,674+7
Oct 21, 20261,6670
Oct 16, 20261,6670
Oct 15, 20261,6670
Oct 14, 20261,6670
Oct 13, 20261,667-1
Oct 09, 20261,6680
Oct 08, 20261,6680
Oct 07, 20261,6680
Oct 06, 20261,6680
Oct 05, 20261,668-1
Oct 02, 20261,669No prior observation