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Contract OI history

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Nov 20, 2026 EXPIRATION

BWXT $180.00 Put

BWXT261120P00180000

Latest saved OI0Oct 23, 2026
Last change-162vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BWXT $180.00 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. 194970 2026-10-02: 194 OI2026-10-05: 194 OI2026-10-06: 190 OI2026-10-07: 190 OI2026-10-08: 190 OI2026-10-09: 190 OI2026-10-13: 190 OI2026-10-14: 190 OI2026-10-15: 162 OI2026-10-16: 162 OI2026-10-21: 162 OI2026-10-23: 0 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, 2026Viewing0-162
Oct 21, 20261620
Oct 16, 20261620
Oct 15, 2026162-28
Oct 14, 20261900
Oct 13, 20261900
Oct 09, 20261900
Oct 08, 20261900
Oct 07, 20261900
Oct 06, 2026190-4
Oct 05, 20261940
Oct 02, 2026194No prior observation