🛢️ Commodities · Lesson 4 of 6 · 8 min
Agricultural Commodities — Feeding the Trade
🌾 Part of the reason your latte went from $4 to $6 wasn't the café — it was a drought in Brazil and a shipping container stuck in the wrong port. Coffee, wheat, corn, and sugar are the least glamorous markets on earth and the only ones that show up on your grocery receipt within weeks.
💡 Key idea
Weather is the primary driver. DBA ETF = diversified ag commodity exposure.
🧠 Why it matters
Soft commodities (coffee, sugar, cotton) and grains (wheat, corn, soybeans) trade on futures exchanges. Drivers: weather patterns, geopolitics, export bans, biofuel demand. Easiest access: DBA (agriculture ETF), or agricultural company stocks like Archer-Daniels-Midland.
🌍 In the real world
☕ In 2021-22, the Arabica coffee price doubled as Brazil (world's largest producer) suffered its worst drought in 90 years — while global shipping containers were stuck. That doubling was one ingredient in your $4 latte becoming a $6 latte — rent, wages and milk were the rest.
📌 Takeaways
- DBA ETF covers corn, wheat, soybeans, sugar
- Weather is the primary short-term driver
- Supply shocks ripple globally within weeks
✅ Test yourself
What most directly drives short-term agricultural commodity prices?
- Stock market sentiment
- Weather events and crop yields
- Central bank policy
- Bitcoin price
Answer: B · Weather events and crop yields
Weather is king for ag commodities. Droughts, floods, and frost destroy crops and spike prices — long before any other economic factor reacts.
Which ETF provides diversified exposure to agricultural commodities?
- XLE
- GLD
- DBA
- TLT
Answer: C · DBA
DBA (Invesco DB Agriculture Fund) tracks corn, wheat, soybeans, sugar, coffee, cocoa, cotton and livestock futures. Simplest way into agricultural markets.
Why does a conflict in one wheat-producing country raise bread prices globally?
- It doesn't — countries are independent
- Wheat is globally traded — reduced supply from any major exporter raises the global price
- Governments fix bread prices worldwide
- Wheat isn't traded internationally
Answer: B · Wheat is globally traded — reduced supply from any major exporter raises the global price
Wheat is a globally traded fungible commodity. If Russia or Ukraine (together nearly 30% of global wheat exports) restricts supply, the price rises everywhere — Egypt, Indonesia, everywhere that imports wheat.
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