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Contract OI history

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Jan 21, 2028 EXPIRATION

CME $260.00 Put

CME280121P00260000

Latest saved OI235Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CME $260.00 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. 2351170 2026-10-09: 222 OI2026-10-13: 223 OI2026-10-14: 223 OI2026-10-15: 222 OI2026-10-16: 222 OI2026-10-21: 227 OI2026-10-23: 235 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, 2026Viewing235+8
Oct 21, 2026227+5
Oct 16, 20262220
Oct 15, 2026222-1
Oct 14, 20262230
Oct 13, 2026223+1
Oct 09, 2026222No prior observation