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Contract OI history

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Jan 21, 2028 EXPIRATION

XXI $20.00 Call

XXI280121C00020000

Latest saved OI856Oct 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 $20.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8564280 2026-10-02: 825 OI2026-10-05: 825 OI2026-10-06: 825 OI2026-10-07: 829 OI2026-10-08: 829 OI2026-10-09: 833 OI2026-10-13: 833 OI2026-10-14: 833 OI2026-10-15: 837 OI2026-10-16: 852 OI2026-10-21: 856 OI2026-10-23: 856 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, 20268560
Oct 21, 2026Viewing856+4
Oct 16, 2026852+15
Oct 15, 2026837+4
Oct 14, 20268330
Oct 13, 20268330
Oct 09, 2026833+4
Oct 08, 20268290
Oct 07, 2026829+4
Oct 06, 20268250
Oct 05, 20268250
Oct 02, 2026825No prior observation