Corn-Hog Ratio

Energy & Agriculture
intermediate
11 min read
Updated Jan 6, 2026

What Is the Corn-Hog Ratio?

The corn-hog ratio is a simple indicator that compares the price of hogs to the price of corn, measuring the profitability of raising hogs by showing how many bushels of corn are needed to buy one hundred pounds of hogs.

The corn-hog ratio is a fundamental agricultural indicator that compares the price of hogs to the price of corn, providing critical insights into the economics of livestock production and farming profitability. Specifically, it measures how many bushels of corn are needed to purchase 100 pounds of live hogs, serving as a quick profitability gauge for pork producers. This simple but powerful ratio helps farmers, producers, and commodity traders understand the relative profitability of raising hogs versus growing corn for direct sale. The ratio is calculated as: (Hog Price per 100 lbs) ÷ (Corn Price per Bushel) For example, if hogs are $60 per 100 pounds and corn is $4 per bushel, the ratio is 15:1, meaning it takes 15 bushels of corn to buy 100 pounds of hogs at current market prices. Historically, hog farming becomes economically attractive when the ratio exceeds 20:1, as this suggests that feed costs are low relative to hog prices, making livestock production profitable. Conversely, ratios below 15:1 often signal unprofitable conditions that may lead producers to reduce herd sizes. The ratio has been tracked for decades and provides valuable insights into agricultural market dynamics, production cycle decisions, futures spread strategies, and intermarket trading opportunities.

Key Takeaways

  • Corn-hog ratio compares hog prices to corn prices as a measure of hog farming profitability
  • Historically, a ratio above 20:1 indicates profitable hog farming conditions
  • The ratio helps producers decide between growing corn or raising hogs
  • Changes reflect feed costs, hog prices, and production economics
  • Used by traders to identify opportunities in grain and livestock markets

How the Corn-Hog Ratio Works

The corn-hog ratio operates through fundamental agricultural economics that connect grain markets to livestock production decisions: 1. Feed Cost Component: Corn represents 60-70% of total hog feed costs, making it the primary input that determines production profitability and the most important variable cost. 2. Production Economics: Farmers continuously compare revenue from selling hogs versus selling corn directly, adjusting their operations based on relative profitability signals from the market. 3. Profitability Indicator: Higher ratios suggest better margins for hog producers, signaling expansion opportunities and encouraging increased breeding activity. 4. Market Signals: Ratio changes influence planting and breeding decisions months in advance, as livestock production requires long lead times. 5. Intermarket Relationships: Links grain and livestock markets in predictable ways that traders can exploit. 6. Seasonal Patterns: The ratio typically follows agricultural production cycles, with harvest periods affecting corn supply and pricing. 7. Supply Chain Integration: Connects corn production to livestock consumption, reflecting the interdependence of agricultural markets. The ratio serves as a quick profitability screen for hog farmers making operational decisions and helps commodity traders identify potential spread trading opportunities between corn and hog futures contracts.

Calculating the Corn-Hog Ratio

The corn-hog ratio uses standardized calculations: Basic Formula: (Live Hog Price per 100 lbs) ÷ (Corn Price per Bushel) Standardized Units: 100 pounds of hogs vs 1 bushel of corn (56 lbs) Historical Context: Ratio above 20:1 generally indicates profitable hog production Break-Even Analysis: Farmers calculate specific ratios based on their cost structures Regional Variations: Ratios differ by location due to transportation costs Contract Prices: Can use futures prices for forward-looking analysis Adjusted Ratios: Some analysts adjust for quality differences or processing costs The calculation provides a standardized way to compare hog and corn prices across different market conditions.

Corn-Hog Ratio Historical Ranges

The corn-hog ratio has shown distinct ranges over different market periods.

PeriodTypical Ratio RangeMarket ConditionsImplications
1990s16:1 - 20:1Stable corn pricesProfitable hog production
2000s12:1 - 18:1Variable weatherMixed profitability
2010s8:1 - 16:1High corn volatilityChallenging for producers
2020s10:1 - 15:1Supply chain issuesCost pressures

Corn-Hog Ratio and Production Decisions

The ratio directly influences agricultural production choices: Planting Decisions: Farmers choose between corn and other crops. Breeding Programs: Hog producers adjust herd sizes based on profitability. Feed Strategies: Producers seek alternative feeds when corn is expensive. Genetic Selection: Breed for feed efficiency when ratio is unfavorable. Processing Investments: Companies decide on facility expansions. Regional Shifts: Production moves to areas with better economics. Technology Adoption: Invest in efficiency improvements when margins are thin. Risk Management: Use futures and options to hedge ratio risk. The ratio serves as a key decision-making tool for the entire agricultural sector.

Important Considerations

Several factors complicate corn-hog ratio analysis: Quality Differences: Not all corn and hogs are equal in quality. Regional Variations: Transportation costs affect local ratios. Processing Costs: Slaughter and processing add to final hog value. By-Product Value: Value from by-products affects economics. Government Programs: Subsidies and insurance programs influence decisions. Technological Changes: Improvements in feed efficiency change break-even ratios. Market Structure: Concentration in processing affects pricing power. Global Factors: International trade affects both corn and pork markets. Understanding these nuances improves ratio interpretation and decision-making.

Advantages of Corn-Hog Ratio Analysis

The ratio provides valuable analytical benefits: Simplicity: Easy to calculate and understand. Relevance: Directly relates to production economics. Predictive Power: Helps forecast production changes. Market Insight: Reveals intermarket relationships. Decision Support: Guides planting and breeding decisions. Trading Signals: Identifies potential market opportunities. Risk Assessment: Helps evaluate agricultural investment risk. Policy Analysis: Informs agricultural policy decisions. These advantages make the corn-hog ratio a staple of agricultural analysis.

Disadvantages and Limitations

The corn-hog ratio has several limitations: Oversimplification: Ignores many cost and quality factors. Time Lags: Production decisions take time to affect markets. Regional Differences: National averages mask local variations. Changing Economics: Technology and efficiency improvements alter benchmarks. External Factors: Weather, disease, and policy changes complicate analysis. Market Structure: Concentration affects pricing relationships. Global Trade: International factors influence domestic ratios. Data Quality: Price reporting accuracy and timeliness issues. Despite limitations, the ratio remains a valuable analytical tool.

Real-World Example: Hog Farm Expansion Decision

A Midwest hog producer is evaluating whether to expand operations by adding 2,000 finishing hogs to their operation. The corn-hog ratio provides critical insight for this capital investment decision. Current market conditions show live hogs trading at $72 per hundredweight while corn is at $4.50 per bushel. The producer calculates the ratio and compares it to historical profitability thresholds.

1Current hog price: $72 per 100 lbs (cwt)
2Current corn price: $4.50 per bushel
3Corn-hog ratio: $72 ÷ $4.50 = 16:1
4Historical profitable threshold: 20:1 or higher
5Current ratio 16:1 indicates marginal profitability
6Feed cost per hog (6 bushels corn equivalent): 6 × $4.50 = $27
7Market value per hog (260 lbs): 2.6 × $72 = $187.20
8Other costs (veterinary, labor, facilities): ~$120 per hog
9Estimated margin per hog: $187.20 - $27 - $120 = $40.20
10Breakeven ratio for this operation: approximately 14:1
Result: The producer decides to proceed with a modest expansion of 1,000 hogs rather than the full 2,000. The 16:1 ratio indicates profitability but with thin margins. By monitoring the ratio weekly and using futures contracts to lock in favorable corn prices, the producer manages risk while capitalizing on current market conditions. When the ratio later improved to 19:1, the remaining expansion was completed.

The Bottom Line

The corn-hog ratio is a fundamental agricultural indicator that compares hog prices to corn prices, providing insights into livestock production profitability. This simple but powerful metric helps farmers decide between growing corn or raising hogs, guides trading strategies, and reveals important relationships between grain and livestock markets. While the ratio has limitations as an oversimplified measure, it remains an essential tool for understanding agricultural economics and making informed production and investment decisions. Changes in the ratio reflect fundamental shifts in supply, demand, and production costs that affect the entire food production chain.

FAQs

Historically, a ratio above 20:1 is considered profitable for hog producers, meaning they can buy 100 pounds of hogs with 20 bushels or less of corn. Ratios below 12:1 typically indicate challenging conditions for hog farmers. However, specific break-even ratios vary by individual farm economics and efficiency levels.

The ratio influences production decisions that affect meat and grain prices. When the ratio is low, hog producers may reduce herd sizes, leading to higher pork prices. When high, increased production can lower pork prices. Corn prices affect feed costs, which are passed through to meat prices and other food products.

The ratio provides insights into production economics but is not a direct predictor of price movements. Extreme ratios (very high or low) often signal potential market corrections as producers adjust production. Traders use ratio changes to identify potential opportunities in corn and hog futures markets.

Technological improvements in hog genetics and feed efficiency have lowered break-even ratios over time. Ethanol production increased corn demand and prices. Disease outbreaks and changing consumer preferences also affect both corn and hog markets. Global trade patterns influence both commodities.

Farmers use the ratio to decide between growing corn for direct sale or using it to feed hogs. They compare the ratio to their specific cost structures to determine profitability. The ratio also helps with long-term planning decisions about equipment purchases, facility investments, and breeding programs.

The Bottom Line

The corn-hog ratio is a simple but powerful indicator that reveals the economics of livestock production by comparing hog prices to corn prices. It helps producers make critical decisions and provides traders with insights into agricultural market dynamics. Historically, ratios above 20:1 signal profitable conditions for hog producers, while ratios below 12:1 indicate challenging economics that may lead to herd reductions. The ratio connects grain and livestock markets, making it valuable for both farmers planning production decisions and traders seeking intermarket opportunities. While technology and efficiency improvements have shifted historical benchmarks, the fundamental relationship between feed costs and hog values continues to drive agricultural economics.

At a Glance

Difficultyintermediate
Reading Time11 min

Key Takeaways

  • Corn-hog ratio compares hog prices to corn prices as a measure of hog farming profitability
  • Historically, a ratio above 20:1 indicates profitable hog farming conditions
  • The ratio helps producers decide between growing corn or raising hogs
  • Changes reflect feed costs, hog prices, and production economics