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Balmo

Balmo is a balance-of-month contract settled daily.

A Balmo, or balance-of-month contract, is a short-dated derivative used to manage price exposure for the remaining unpriced days of a calendar month. It is widely used in crude oil and refined product markets when traders need to fine-tune prompt risk after most of the month has already traded. Balmos are highly sensitive to near-term fundamentals such as refinery outages, weather disruptions, port congestion, pipeline issues, and sudden demand spikes. A trader might lock in a Balmo to hedge an unpriced cargo lifting, the remaining days of an index-priced supply deal, or a short-term imbalance in refinery feedstock requirements. Because Balmos are tightly linked to physical flows and local conditions, they can be much more volatile than longer-dated monthly futures. Liquidity tends to build as the month progresses and more players need to align financial hedges with physical positions. For prompt-book managers, Balmos are an essential tool for cleaning up residual risk and matching cash exposure to actual operations.