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Contract OI history

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Nov 20, 2026 EXPIRATION

BILL $50.00 Call

BILL261120C00050000

Latest saved OI2,398Oct 23, 2026
Last change+1,071vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BILL $50.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,3981,1990 2026-10-02: 524 OI2026-10-05: 524 OI2026-10-06: 524 OI2026-10-07: 521 OI2026-10-08: 527 OI2026-10-09: 569 OI2026-10-13: 569 OI2026-10-14: 610 OI2026-10-15: 617 OI2026-10-16: 820 OI2026-10-21: 1,327 OI2026-10-23: 2,398 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BILL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,398+1,071
Oct 21, 20261,327+507
Oct 16, 2026820+203
Oct 15, 2026617+7
Oct 14, 2026610+41
Oct 13, 20265690
Oct 09, 2026569+42
Oct 08, 2026527+6
Oct 07, 2026521-3
Oct 06, 20265240
Oct 05, 20265240
Oct 02, 2026524No prior observation