Commodity Supply and Demand Analysis

Every commodity price is ultimately determined by the balance between supply and demand. Mastering this framework gives you a fundamental edge.

The Supply/Demand Balance

Market Balance

• Surplus: Supply exceeds demand, prices tend to fall
• Deficit: Demand exceeds supply, prices tend to rise
• Balance: Supply approximately equals demand, prices stable
• Changes in the balance drive price trends

Stocks-to-Use Ratio

• Total inventories divided by annual consumption
• Low ratio = tight market = bullish
• High ratio = well-supplied = bearish
• The single most important fundamental metric
• Different commodities have different normal ranges

Analyzing Supply

Production Factors

• Capacity: How much can be produced at current infrastructure?
• Utilization: What percentage of capacity is being used?
• Growth: New projects coming online (pipeline analysis)
• Depletion: Existing sources declining in output

Supply Disruptions

• Weather events (hurricanes, drought, frost)
• Geopolitical conflicts (sanctions, wars, embargoes)
• Labor strikes at mines or refineries
• Infrastructure failures (pipeline ruptures, port closures)
• Government policy changes (export bans, quotas)

Supply Response Time

• Short-term (days-weeks): Cannot change significantly
• Medium-term (months): Some response from existing capacity
• Long-term (years): New projects can change supply picture
• This response lag creates extended price trends

Analyzing Demand

Demand Drivers

• Economic growth: GDP growth increases commodity consumption
• Population: More people require more resources
• Industrialization: Emerging market development
• Substitution: Cheaper alternatives reducing demand
• Technology: New uses creating demand (EV batteries)

Demand Elasticity

• Inelastic: Demand barely changes with price (oil short-term)
• Elastic: Demand responds strongly to price (luxury goods)
• Most commodities are inelastic short-term, elastic long-term
• Inelastic demand means supply changes cause larger price moves

Seasonal Demand Patterns

• Natural gas: Winter heating, summer cooling
• Gasoline: Summer driving season
• Agricultural: Planting and harvest cycles
• Precious metals: Indian wedding season (Oct-Dec), Chinese New Year

Practical Analysis Framework

Step 1: Establish the Balance Sheet

• Beginning stocks (carry-in from last period)
• Add: Production + Imports
• Subtract: Consumption + Exports
• Equals: Ending stocks
• Calculate stocks-to-use ratio

Step 2: Compare to History

• Is the current ratio above or below the 5-year average?
• What is the trend direction (tightening or loosening)?
• Are there risks to the forecast (weather, geopolitics)?

Step 3: Identify the Marginal Factor

• What is the MOST IMPORTANT variable right now?
• For oil: OPEC production decisions
• For grains: Weather during growing season
• For metals: Chinese demand data
• Focus your analysis on this key variable

Step 4: Position Accordingly

• Tightening balance = look for long setups
• Loosening balance = look for short setups
• Uncertain = stay flat or reduce size
• Combine with technical analysis for entry timing

Data Sources

Energy

• EIA (US Energy Information Administration)
• OPEC Monthly Oil Market Report
• IEA (International Energy Agency)

Agriculture

• USDA WASDE Report (monthly)
• USDA Crop Progress Report (weekly)
• FAO (Food and Agriculture Organization)

Metals

• LME Warehouse Stocks (daily)
• World Gold Council
• International Copper Study Group

Key Takeaways

1. The stocks-to-use ratio is the most important fundamental metric
2. Supply disruptions cause the biggest price spikes
3. Demand is typically inelastic short-term, amplifying supply shocks
4. Focus on the single most important variable driving each commodity
5. Combine fundamental analysis with technicals for best results