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Contract OI history

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Nov 20, 2026 EXPIRATION

BILL $30.00 Put

BILL261120P00030000

Latest saved OI676Oct 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 $30.00 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. 6763380 2026-10-02: 663 OI2026-10-05: 663 OI2026-10-06: 673 OI2026-10-07: 673 OI2026-10-08: 673 OI2026-10-09: 673 OI2026-10-13: 673 OI2026-10-14: 676 OI2026-10-15: 676 OI2026-10-16: 676 OI2026-10-21: 676 OI2026-10-23: 676 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, 2026Viewing6760
Oct 21, 20266760
Oct 16, 20266760
Oct 15, 20266760
Oct 14, 2026676+3
Oct 13, 20266730
Oct 09, 20266730
Oct 08, 20266730
Oct 07, 20266730
Oct 06, 2026673+10
Oct 05, 20266630
Oct 02, 2026663No prior observation