Cocoa Inventory Change Calculator: Stock Builds & Drawdowns
Compare two cocoa stock reports in 60 kg bags or tonnes. Calculate the stock build or draw, percentage change and tonnage with clear reporting dates.
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Use the same stock series, geography and units for both reports.
Your comparison
Enter your figures, then calculate. No current market estimate is assumed.
How to calculate a cocoa inventory build or draw
Subtract the earlier stock total from the later total. Divide that change by the earlier total and multiply by 100 for the percentage. A positive result is a build; a negative result is a draw. With a zero baseline, the absolute change is available but percentage growth is undefined.
In a hypothetical comparison, 3,000,000 to 3,030,000 bags is a build of 30,000 bags, or 1%. At 60 kg per bag, the same change equals 1,800 tonnes. The later stock total is 181,800 tonnes. These are alternative units for the same inventory.
Can I compare U.S. warehouse stocks with London valid stocks?
Compare each series with its own earlier observation first. Matching units does not make different warehouse coverage or delivery status equivalent. Never add a certified subset to a total that already includes it.
Check the latest reported ICE inventory figure → · Read the U.S. and London comparison guide →
Reporting dates, gaps and revisions
Use source report dates, not the dates you visited the website. A Friday-to-Monday comparison spans those observations; this calculator does not assume a fresh report for every calendar day. If an earlier value is revised, record that revision before comparing. Only choose 60 kg bags where the report explicitly uses that unit.
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