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Freight Rates and Shipping Derivatives

How the cost of shipping bulk cargo by sea is quoted and hedged, using freight forward agreements settled against published index rates rather than physical ships.

Shipping a cargo of iron ore or grain across an ocean has a market price that swings with the supply of available vessels and the demand to move cargo, and that price — the freight rate — is often the single biggest cost in a commodity trade after the commodity itself. Rates are published as indices covering specific routes and ship sizes, the best known being the Baltic Dry Index, which averages rates across major dry-bulk shipping routes.

Because a grain exporter or mining company needs to know its shipping cost months in advance, the market trades freight forward agreements (FFAs) — cash-settled contracts that pay the difference between a fixed rate agreed today and the published index rate at settlement, letting a shipper or charterer lock in freight costs without ever owning or chartering an actual vessel.

Worked example. A grain exporter fixes an FFA at $18,000/day for a Panamax route three months out. If the index settles at $22,000/day, the FFA pays the exporter the $4,000/day difference, offsetting the higher real freight cost they end up paying to actually ship the grain.

Freight forward agreements let shippers hedge sea-freight costs against a published index rate without owning ships, turning a highly variable operating cost into something that can be locked in ahead of time like any other commodity price.

Related concepts

Further reading

  • Baltic Exchange, Baltic Dry Index methodology
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