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Contract OI history

Back to XXI

Jan 21, 2028 EXPIRATION

XXI $5.00 Put

XXI280121P00005000

Latest saved OI1,374Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
XXI $5.00 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. 1,3746870 2026-10-02: 1,353 OI2026-10-05: 1,332 OI2026-10-06: 1,332 OI2026-10-07: 1,352 OI2026-10-08: 1,357 OI2026-10-09: 1,357 OI2026-10-13: 1,357 OI2026-10-14: 1,357 OI2026-10-15: 1,357 OI2026-10-16: 1,367 OI2026-10-21: 1,373 OI2026-10-23: 1,374 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, 20261,374+1
Oct 21, 2026Viewing1,373+6
Oct 16, 20261,367+10
Oct 15, 20261,3570
Oct 14, 20261,3570
Oct 13, 20261,3570
Oct 09, 20261,3570
Oct 08, 20261,357+5
Oct 07, 20261,352+20
Oct 06, 20261,3320
Oct 05, 20261,332-21
Oct 02, 20261,353No prior observation