
Type of Vietnamese Coffee on the London Exchange:
The quoted price on the London Exchange is for R2 coffee with 1% impurities, 5% black/broken beans, 13% moisture, and 90% above screen size 13 (5mm). This is the quality level that Vietnam can process and deliver.
How Robusta Coffee Prices on the London Exchange Are Calculated?
Example: According to the London Exchange, the Robusta coffee price is 4,266 USD/ton.
Coffee price (VND/kg) = (Price (USD/ton) × Exchange rate (VND/USD)) / 1000
⇒ Coffee price = (4,266 × 25,137) / 1000 = 107,234 VND/kg
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Unit of quotation: USD/ton (on the London Exchange)
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Trading unit: 1 lot = 10 tons (on the London Exchange)
Technical Terms in Coffee Trading
Note: Prices on the London Exchange are quoted in USD/ton, while prices on the New York Exchange are quoted in cents (USD) per pound (lb).
1 lb = 0.453 kg.
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Minimum price fluctuation:
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London Exchange: 1 USD/ton
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New York Exchange: 0.05 cents/lb
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Futures (Contract Months): The months available for trading and delivery.
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On the London Robusta market: only odd months are traded.
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On the New York Arabica market: trading months are March, May, July, September, and December (no January).
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Last Price (Matched Price): The price where buyers’ and sellers’ bids meet (also called the Last).
Note: Currently, the matched price shown on VFM is based on the London Exchange, not on buy/sell offers submitted within VFM. -
Change: The difference between the current matched price and the previous session’s closing price (up or down).
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% Change: The percentage change compared with the previous session’s closing price.
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Volume: The number of contracts traded during the session up to the present moment.
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London: 1 lot = 10,000 kg
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New York: 1 lot = 37,500 lbs ≈ 16,987.5 kg (rounded to 17,000 kg).
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High: The highest matched price reached during the session.
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Low: The lowest matched price reached during the session.
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Open: The first matched price of the session (opening price).
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Previous Close: The last matched price of the previous session (closing price).
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Bid: The highest price a buyer is willing to pay.
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Bid Volume: The quantity buyers are bidding for, measured in lots, at the bid price.
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Ask (Offer): The lowest price at which sellers are willing to sell.
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Ask Volume: The quantity sellers are offering, measured in lots, at the ask price.

