Units = USD/MT, FAS
Value change columns are ratios and must be multiplied by 100 for percentages.
Average winning price is the quantity-weighted average of winning prices at the trading event.
The GDT Price Index uses a weighted-average of the percentage changes in prices. GDT Price Indices are used to avoid the bias of a simple weighted average price, and to give a more accurate reflection of the price movements between trading events.