Lot
A lot is a distinct batch of wine tracked as a unit, typically a specific wine and vintage acquired together at a known cost, date, and source.
What a lot is
In wine operations, a lot is a discrete batch of stock that shares the same identity and acquisition context: the same wine, the same vintage, and usually the same purchase. Each lot carries its own cost, arrival date, supplier, and quantity. Two cases of the identical wine bought six months apart at different prices are two separate lots, even though the label is the same.
Treating inventory as lots rather than a single running count is the difference between knowing what you have and knowing what it cost and where it came from. Because cost and source live on the lot, you can calculate an accurate cost basis, value the cellar honestly, and trace any bottle back to its origin.
Why it matters
Lot-level tracking underpins margin accuracy and auditability. When prices rise between purchases, lot data lets you cost depletions correctly instead of guessing an average. For collectors, it preserves provenance and cost basis for insurance, estate, or resale decisions. For restaurants, it explains why the same wine can carry different economics across deliveries.
In a wine program, modelling inventory as lots plus movements gives you a defensible record of what changed, when, and why. Vinius builds its inventory management on lots and movement history rather than simple counts, so cost context and audit trails are never lost.
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