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Contract OI history

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Mar 19, 2027 EXPIRATION

DOW $22.50 Put

DOW270319P00022500

Latest saved OI1,020Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $22.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0245120 2026-10-02: 1,024 OI2026-10-05: 998 OI2026-10-06: 998 OI2026-10-07: 1,004 OI2026-10-08: 1,004 OI2026-10-09: 1,004 OI2026-10-13: 1,004 OI2026-10-14: 1,004 OI2026-10-15: 1,003 OI2026-10-16: 1,003 OI2026-10-21: 1,019 OI2026-10-23: 1,020 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, 2026Viewing1,020+1
Oct 21, 20261,019+16
Oct 16, 20261,0030
Oct 15, 20261,003-1
Oct 14, 20261,0040
Oct 13, 20261,0040
Oct 09, 20261,0040
Oct 08, 20261,0040
Oct 07, 20261,004+6
Oct 06, 20269980
Oct 05, 2026998-26
Oct 02, 20261,024No prior observation