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Contract OI history

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Mar 19, 2027 EXPIRATION

BYD $55.00 Put

BYD270319P00055000

Latest saved OI441Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BYD $55.00 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. 4412200 2026-10-02: 440 OI2026-10-05: 440 OI2026-10-06: 440 OI2026-10-07: 440 OI2026-10-08: 440 OI2026-10-09: 440 OI2026-10-13: 440 OI2026-10-14: 440 OI2026-10-15: 440 OI2026-10-16: 440 OI2026-10-21: 440 OI2026-10-23: 441 OI Oct 02, 2026Oct 23, 2026

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

BYD contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing441+1
Oct 21, 20264400
Oct 16, 20264400
Oct 15, 20264400
Oct 14, 20264400
Oct 13, 20264400
Oct 09, 20264400
Oct 08, 20264400
Oct 07, 20264400
Oct 06, 20264400
Oct 05, 20264400
Oct 02, 2026440No prior observation