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Contract OI history

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Jan 21, 2028 EXPIRATION

XXI $2.50 Call

XXI280121C00002500

Latest saved OI384Oct 23, 2026
Last change+67vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
XXI $2.50 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. 3841920 2026-10-02: 309 OI2026-10-05: 309 OI2026-10-06: 309 OI2026-10-07: 309 OI2026-10-08: 309 OI2026-10-09: 307 OI2026-10-13: 307 OI2026-10-14: 307 OI2026-10-15: 317 OI2026-10-16: 317 OI2026-10-21: 317 OI2026-10-23: 384 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, 2026384+67
Oct 21, 2026Viewing3170
Oct 16, 20263170
Oct 15, 2026317+10
Oct 14, 20263070
Oct 13, 20263070
Oct 09, 2026307-2
Oct 08, 20263090
Oct 07, 20263090
Oct 06, 20263090
Oct 05, 20263090
Oct 02, 2026309No prior observation