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Contract OI history

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Nov 20, 2026 EXPIRATION

BWXT $140.00 Put

BWXT261120P00140000

Latest saved OI456Oct 23, 2026
Last change+79vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BWXT $140.00 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. 4562280 2026-10-02: 351 OI2026-10-05: 344 OI2026-10-06: 427 OI2026-10-07: 426 OI2026-10-08: 426 OI2026-10-09: 352 OI2026-10-13: 355 OI2026-10-14: 355 OI2026-10-15: 352 OI2026-10-16: 352 OI2026-10-21: 377 OI2026-10-23: 456 OI Oct 02, 2026Oct 23, 2026

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

BWXT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing456+79
Oct 21, 2026377+25
Oct 16, 20263520
Oct 15, 2026352-3
Oct 14, 20263550
Oct 13, 2026355+3
Oct 09, 2026352-74
Oct 08, 20264260
Oct 07, 2026426-1
Oct 06, 2026427+83
Oct 05, 2026344-7
Oct 02, 2026351No prior observation