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Contract OI history

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Mar 19, 2027 EXPIRATION

CME $210.00 Put

CME270319P00210000

Latest saved OI261Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CME $210.00 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. 2621310 2026-10-09: 28 OI2026-10-13: 28 OI2026-10-14: 28 OI2026-10-15: 28 OI2026-10-16: 262 OI2026-10-21: 261 OI2026-10-23: 261 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, 2026Viewing2610
Oct 21, 2026261-1
Oct 16, 2026262+234
Oct 15, 2026280
Oct 14, 2026280
Oct 13, 2026280
Oct 09, 202628No prior observation