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Contract OI history

Back to XXI

Jan 15, 2027 EXPIRATION

XXI $7.50 Put

XXI270115P00007500

Latest saved OI636Oct 23, 2026
Last change-13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
XXI $7.50 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. 6583290 2026-10-02: 641 OI2026-10-05: 641 OI2026-10-06: 631 OI2026-10-07: 631 OI2026-10-08: 641 OI2026-10-09: 641 OI2026-10-13: 658 OI2026-10-14: 658 OI2026-10-15: 658 OI2026-10-16: 658 OI2026-10-21: 649 OI2026-10-23: 636 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, 2026636-13
Oct 21, 2026Viewing649-9
Oct 16, 20266580
Oct 15, 20266580
Oct 14, 20266580
Oct 13, 2026658+17
Oct 09, 20266410
Oct 08, 2026641+10
Oct 07, 20266310
Oct 06, 2026631-10
Oct 05, 20266410
Oct 02, 2026641No prior observation