HarborSignal
DashboardPort vs Stock

Port vs Stock Overlay

Watch port congestion and correlated equity prices on the same chart. When congestion moves but the stock hasn't followed — that's the trade.

FLEX: LNG shipping pure play · highly correlated to Singapore tanker traffic

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How to read this chart

Congestion rising, stock flat

The port is backing up but the equity hasn't reacted. This is the setup — the market is lagging the physical data.

Congestion falling, stock flat or rising

Conditions are easing but the stock is holding. Potential mean-reversion setup to the downside.

Both moving together

Market is already pricing in the port conditions. Less edge here — wait for divergence.

Notable port → asset correlations

SingaporeFLEX / GLNG

LNG tanker clustering leads LNG equity moves by 1–2 weeks

LA / Long BeachZIM / MATX

Container backlog drives trans-Pacific rate spikes → shipping stocks

Ras TanuraCL / BZ

Saudi oil terminal — floating storage signals crude supply overhang

Port HedlandBHP / RIO

Iron ore bulk terminal — congestion leads steel/mining stock moves

HoustonXLE / CL

US crude/LNG export hub — tracks energy sector directly

RotterdamFRO / DHT

European energy gateway — tanker traffic predicts refining margins

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