Spot Rate
A Spot Rate is the price to move cargo right now, at the current market level, for a single immediate shipment rather than under a longer-term agreement. It reflects real-time supply and demand for capacity on a trade lane and can move sharply — spiking when space is scarce (peak season, disruptions) and falling when capacity is plentiful.
Spot rates give shippers flexibility — no volume commitment, and the chance to benefit when rates fall — but expose them to volatility and the risk of being rolled (bumped from a full sailing) when the market tightens and contract cargo gets priority. They are tracked by freight indices (such as the SCFI and Drewry's WCI) that have become closely watched market barometers. Shippers typically balance spot and contract rates: contracts for baseline volumes and stability, spot for flexibility and overflow. Deciding the mix, and timing spot bookings, is a key part of freight procurement strategy.
The spot rate is the freight market's live price — flexible and cheap when capacity is loose, brutal when it tightens and your cargo gets rolled behind contract volumes. Freight indices built on spot rates now move like commodity prices. Balancing spot against contract, and timing spot bookings, is central to how shippers manage both cost and risk.
When is booking at spot rate advantageous?
When capacity is plentiful and rates are low, or for one-off and overflow shipments where flexibility matters more than certainty.
What is the risk of relying on spot rates?
Volatility — rates can spike, and spot cargo can be rolled behind contract cargo when space is tight.