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Optionomics

WLK dark pool activity

Westlake Corporation · Last full session · November 10, 2026 · Delayed and summarised

Off-exchange dollars

What traded away from the exchanges, session by session.

7 sessions
Jun 24: $15.6M Aug 7: $4.3M Aug 24: $1.2M Oct 22: $3.1M Oct 30: $5.2M Nov 3: $1.8M Nov 4: $18.7M Largest: $18.7M Jun 24 Nov 4

Bar heights share a scale within this stock's history. Off-exchange trades are reported after they cross, and the size alone does not tell us who traded or why.

How to read these figures

Every figure here is a total we compiled from that session's off-exchange prints. Above or below the midpoint says where a trade crossed against the quote. It does not say who was buying, and it has not told us which way a stock would move next.

Trader shows each print as it is reported, with the levels where size keeps landing.

See every WLK trade live.

The free pages stop at the last full session. Trader shows every trade as it prints.

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