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Contract OI history

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Jan 21, 2028 EXPIRATION

BILL $50.00 Call

BILL280121C00050000

Latest saved OI553Oct 23, 2026
Last change0vs 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. 5532760 2026-10-02: 552 OI2026-10-05: 552 OI2026-10-06: 552 OI2026-10-07: 553 OI2026-10-08: 553 OI2026-10-09: 553 OI2026-10-13: 553 OI2026-10-14: 553 OI2026-10-15: 553 OI2026-10-16: 553 OI2026-10-21: 553 OI2026-10-23: 553 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, 2026Viewing5530
Oct 21, 20265530
Oct 16, 20265530
Oct 15, 20265530
Oct 14, 20265530
Oct 13, 20265530
Oct 09, 20265530
Oct 08, 20265530
Oct 07, 2026553+1
Oct 06, 20265520
Oct 05, 20265520
Oct 02, 2026552No prior observation