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Comidra is a data site that organizes key commodity market data—such as natural gas and WTI crude oil—so you can grasp it at a glance. It presents multiple indicators in intuitive charts to help you quickly understand complex market moves and use them to support decision-making.
Copper Investment Chart Overview
LME Inventory and Prices
OpeningStock_t: Total inventory currently held in LME warehouses (a quick hint of how tight or loose supply feels)
CancelledWarrants_t: Inventory likely to be withdrawn soon (“cancelled” stock), which can signal inventories may drop
Net: Delivered In − Delivered Out. Positive means inventories are building; negative means inventories are drawing down
M3: The 3-month copper futures price (not an average—this is the 3-month contract price)
CashMinus3M: Cash (spot) − 3-month price. Positive can suggest near-term tightness; negative can suggest near-term looseness
China’s Manufacturing Purchasing Managers’ Index (PMI) is a monthly indicator showing whether factory activity in China is improving or weakening. It is calculated from surveys of more than 700 factories across the country on changes in orders, production, inventories, and employment, and summarized into a single figure. A reading above 50 signals expansion, below 50 signals slowdown, and a result higher than market expectations is generally viewed as a positive sign for China’s economy and the yuan.
When copper is actually traded at Yangshan Port in Shanghai, China, this figure shows how much more expensive or cheaper it is than the international benchmark price. A high value is generally seen as a sign of strong Chinese copper demand, while a low or negative value is taken to indicate weak demand.
CFTC Copper Futures Positions (Speculative)
The Non-Commercials (Long/Short) chart shows the size of buy (long) and sell (short) positions held by big players who trade mainly for investment. If longs increase, it generally means more traders expect prices to rise; if shorts increase, it generally means more traders expect prices to fall.
CFTC Copper Futures Positions (Commercial)
The Managed Money (Long/Short) chart focuses only on professional managers such as funds/hedge funds within those big players. It helps you see more clearly whether the “core money” moving the market is leaning bullish (more longs) or bearish (more shorts).
This data is provided for general informational purposes only and may not be entirely accurate. All investment decisions are solely the responsibility of the investor, and we assume no liability for any losses arising from the use of this data. Please consult a qualified professional if necessary.
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