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Contract OI history

Back to XXI

Apr 16, 2027 EXPIRATION

XXI $5.00 Put

XXI270416P00005000

Latest saved OI314Oct 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 $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. 3141570 2026-10-02: 238 OI2026-10-05: 238 OI2026-10-06: 238 OI2026-10-07: 258 OI2026-10-08: 263 OI2026-10-09: 263 OI2026-10-13: 273 OI2026-10-14: 273 OI2026-10-15: 278 OI2026-10-16: 308 OI2026-10-21: 314 OI2026-10-23: 314 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, 20263140
Oct 21, 2026Viewing314+6
Oct 16, 2026308+30
Oct 15, 2026278+5
Oct 14, 20262730
Oct 13, 2026273+10
Oct 09, 20262630
Oct 08, 2026263+5
Oct 07, 2026258+20
Oct 06, 20262380
Oct 05, 20262380
Oct 02, 2026238No prior observation