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Contract OI history

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Mar 19, 2027 EXPIRATION

CME $270.00 Put

CME270319P00270000

Latest saved OI633Oct 23, 2026
Last change+6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CME $270.00 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. 6333160 2026-10-09: 626 OI2026-10-13: 626 OI2026-10-14: 627 OI2026-10-15: 626 OI2026-10-16: 626 OI2026-10-21: 627 OI2026-10-23: 633 OI Oct 09, 2026Oct 23, 2026

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

CME contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing633+6
Oct 21, 2026627+1
Oct 16, 20266260
Oct 15, 2026626-1
Oct 14, 2026627+1
Oct 13, 20266260
Oct 09, 2026626No prior observation