California Wine Market Index™
An Independent Benchmark for California’s Wine-Grape Economy
Tracking long-term changes in California’s wine-grape market using verified statewide production and pricing data.
2025 Benchmark Snapshot
The California Wine Market Index™ provides a consolidated measure of statewide wine-grape market conditions relative to the benchmark base year of 2000 = 100.
| CWMI | Annual Change | Purchased Tons | Avg. Price/Ton |
|---|---|---|---|
| 78.04 | −11.8% | 1,962,614 | $985.61 |
What the CWMI Measures
The California Wine Market Index™ combines key statewide wine-grape market measures into a consistent historical benchmark. The index is designed to capture changes in market activity, pricing, and grower economic performance over time.
PRODUCTION
Statewide wine-grape market volume and activity.
PRICING
Statewide weighted-average grower price per ton.
GROWER REVENUE
Estimated statewide grower revenue based on purchased tons and average price per ton.
Why the CWMI Matters
The CWMI provides a consistent historical framework for evaluating changes in California’s wine-grape economy. By combining statewide production, pricing, and grower revenue measures, the index helps industry participants distinguish short-term market fluctuations from longer-term economic trend
Explore the CWMI
Explore the methodology, historical research, annual reports, and practical applications behind the California Wine Market Index™.
California Wine Index 