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Contract OI history

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Mar 19, 2027 EXPIRATION

CDW $135.00 Put

CDW270319P00135000

Latest saved OI1,020Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CDW $135.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,0205100 2026-10-09: 620 OI2026-10-13: 620 OI2026-10-14: 1,020 OI2026-10-15: 1,020 OI2026-10-16: 1,020 OI2026-10-21: 1,020 OI2026-10-23: 1,020 OI Oct 09, 2026Oct 23, 2026

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

CDW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,0200
Oct 21, 20261,0200
Oct 16, 20261,0200
Oct 15, 20261,0200
Oct 14, 20261,020+400
Oct 13, 20266200
Oct 09, 2026620No prior observation