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Round Voyage P/L

Net voyage profit = freight − voyage costs − OPEX × days.

Chartering
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Formula, assumptions, and limits

Profit=F(1c)CvoyageOPEXt\text{Profit} = F \cdot (1 - c) - C_\text{voyage} - \text{OPEX} \cdot t
SymbolMeaningUnit
FFGross freightUSD
ccAddress commission
CvoyageC_\text{voyage}Voyage costsUSD
ttRound voyage daysd

Source: Stopford - Maritime Economics

In short

Net voyage profit = freight \u2212 voyage costs \u2212 OPEX \u00d7 days.

Learn the theory Baltic Dry Index and Freight Indices