Overview
All DataHub reports contain aggregated, category-level data derived from the Coosti price comparison platform. No individual product, merchant, or competitive data is exposed.
Data Sources
source
Coosti internal database
products tracked
Thousands of products across major Danish retailers
update frequency
Data aggregated monthly
coverage
All major product categories
Aggregation Methods
category level
All metrics are calculated at the category level, never for individual products
price calculations
Average and median prices calculated from active offers only
anonymization
Merchant-specific data is never included in public reports
minimum threshold
Categories must have minimum 10 products to be included
Metrics Definitions
avg_price
Mean price across all active offers in the category
median_price
Middle value when all prices are sorted
price_change
Percentage change compared to historical period
volatility_score
0-100 score based on frequency and magnitude of price changes
discount_percent
Percentage reduction from highest price in last 90 days
Data Quality Assurance
validation
All prices validated against merchant websites
outlier removal
Statistical outliers removed to prevent skewing
active offers only
Only includes offers from active merchants
failed crawls excluded
Offers with crawling failures are excluded
Privacy & Compliance
gdpr compliant
No personal data included
merchant protection
No merchant-specific insights exposed
competitive safety
Data aggregated to prevent competitive intelligence extraction
License & Usage
type
CC-BY 4.0
usage
Free to use with attribution
attribution required
Please cite: "Data from Coosti (https://coosti.dk)"
attribution html
Data from <a href="https://coosti.dk">Coosti</a>