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Contract OI history

Back to XXI

Jan 21, 2028 EXPIRATION

XXI $10.00 Put

XXI280121P00010000

Latest saved OI871Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
XXI $10.00 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. 8764380 2026-10-02: 805 OI2026-10-05: 808 OI2026-10-06: 876 OI2026-10-07: 876 OI2026-10-08: 876 OI2026-10-09: 876 OI2026-10-13: 876 OI2026-10-14: 876 OI2026-10-15: 871 OI2026-10-16: 871 OI2026-10-21: 871 OI2026-10-23: 871 OI Oct 02, 2026Oct 23, 2026

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

XXI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20268710
Oct 21, 2026Viewing8710
Oct 16, 20268710
Oct 15, 2026871-5
Oct 14, 20268760
Oct 13, 20268760
Oct 09, 20268760
Oct 08, 20268760
Oct 07, 20268760
Oct 06, 2026876+68
Oct 05, 2026808+3
Oct 02, 2026805No prior observation