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Contract OI history

Back to XXI

Nov 20, 2026 EXPIRATION

XXI $7.50 Put

XXI261120P00007500

Latest saved OI214Oct 23, 2026
Last change+58vs 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. 2141070 2026-10-02: 28 OI2026-10-05: 28 OI2026-10-06: 29 OI2026-10-07: 25 OI2026-10-08: 25 OI2026-10-09: 25 OI2026-10-13: 146 OI2026-10-14: 147 OI2026-10-15: 147 OI2026-10-16: 147 OI2026-10-21: 156 OI2026-10-23: 214 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, 2026214+58
Oct 21, 2026Viewing156+9
Oct 16, 20261470
Oct 15, 20261470
Oct 14, 2026147+1
Oct 13, 2026146+121
Oct 09, 2026250
Oct 08, 2026250
Oct 07, 202625-4
Oct 06, 202629+1
Oct 05, 2026280
Oct 02, 202628No prior observation