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Contract OI history

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Feb 19, 2027 EXPIRATION

BILL $45.00 Put

BILL270219P00045000

Latest saved OI276Oct 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 $45.00 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. 3411700 2026-10-02: 327 OI2026-10-05: 327 OI2026-10-06: 327 OI2026-10-07: 327 OI2026-10-08: 337 OI2026-10-09: 337 OI2026-10-13: 337 OI2026-10-14: 341 OI2026-10-15: 341 OI2026-10-16: 336 OI2026-10-21: 276 OI2026-10-23: 276 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, 2026Viewing2760
Oct 21, 2026276-60
Oct 16, 2026336-5
Oct 15, 20263410
Oct 14, 2026341+4
Oct 13, 20263370
Oct 09, 20263370
Oct 08, 2026337+10
Oct 07, 20263270
Oct 06, 20263270
Oct 05, 20263270
Oct 02, 2026327No prior observation