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Contract OI history

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Oct 30, 2026 EXPIRATION

BILL $43.00 Put

BILL261030P00043000

Latest saved OI125Oct 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 $43.00 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. 125620 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 2 OI2026-10-08: 2 OI2026-10-09: 2 OI2026-10-13: 122 OI2026-10-14: 122 OI2026-10-15: 122 OI2026-10-16: 121 OI2026-10-21: 125 OI2026-10-23: 125 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, 2026Viewing1250
Oct 21, 2026125+4
Oct 16, 2026121-1
Oct 15, 20261220
Oct 14, 20261220
Oct 13, 2026122+120
Oct 09, 202620
Oct 08, 202620
Oct 07, 20262+1
Oct 06, 202610
Oct 05, 202610
Oct 02, 20261No prior observation