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Contract OI history

Back to XXI

Apr 16, 2027 EXPIRATION

XXI $7.50 Put

XXI270416P00007500

Latest saved OI250Oct 23, 2026
Last change-14vs 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. 2641320 2026-10-02: 34 OI2026-10-05: 59 OI2026-10-06: 69 OI2026-10-07: 89 OI2026-10-08: 107 OI2026-10-09: 136 OI2026-10-13: 206 OI2026-10-14: 206 OI2026-10-15: 246 OI2026-10-16: 246 OI2026-10-21: 264 OI2026-10-23: 250 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, 2026250-14
Oct 21, 2026Viewing264+18
Oct 16, 20262460
Oct 15, 2026246+40
Oct 14, 20262060
Oct 13, 2026206+70
Oct 09, 2026136+29
Oct 08, 2026107+18
Oct 07, 202689+20
Oct 06, 202669+10
Oct 05, 202659+25
Oct 02, 202634No prior observation