World Central Banks (WCB) Metrics

The WCB dataset provides pre-computed metrics for monetary policy communications across 19 global central banks.

Supported Filters

• Dataset ID: wcb
• Central Bank (bank_name): Filter by central bank identifier (e.g., federal_reserve_system). See Available Central Banks for full list.
• Year (year): Filter by document year (Integer, e.g., 2024).
• Start Date (start_date): Start of date range (YYYY-MM-DD). — /summary only
• End Date (end_date): End of date range (YYYY-MM-DD). — /summary only
• Metric (metric): Specific metric(s) to return or summarize. Comma-separated (e.g., stance,uncertainty). — /summary only

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Available Central Banks

Value	Central Bank
federal_reserve_system	Federal Reserve (USA)
european_central_bank	European Central Bank
bank_of_england	Bank of England
bank_of_japan	Bank of Japan
peoples_bank_of_china	People's Bank of China
reserve_bank_of_australia	Reserve Bank of Australia
reserve_bank_of_india	Reserve Bank of India
bank_of_mexico	Bank of Mexico
central_bank_of_brazil	Central Bank of Brazil
swiss_national_bank	Swiss National Bank
bank_negara_malaysia	Bank Negara Malaysia
monetary_authority_of_singapore	Monetary Authority of Singapore
central_bank_of_chile	Central Bank of Chile
central_bank_of_egypt	Central Bank of Egypt
central_bank_of_the_philippines	Central Bank of the Philippines
central_bank_of_the_russian_federation	Central Bank of Russia
central_bank_of_china_taiwan	Central Bank of China (Taiwan)
central_bank_republic_of_turkey	Central Bank of Turkey
czech_national_bank	Czech National Bank

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Available Metrics

• stance: Net hawkishness ((hawkish - dovish) / (total - irrelevant))
• uncertainty: Ratio of uncertain sentences (uncertain / total)
• enhanced_uncertainty: Net uncertainty ((high_uncertainty - low_uncertainty) / total)
• forward_looking: Ratio of forward-looking statements (forward_looking / total)
• claim_projection: Ratio of in-claim statements (in_claim / total)
• inflation_relevancy: Ratio of inflation-relevant sentences (relevant / total)
• labor_market_relevancy: Ratio of labor market-relevant sentences (relevant / total)

Examples

/documents

# All WCB documents
curl -X GET "https://api.zettaquant.ai/v1/metrics/wcb/documents" \
  -H "x-api-key: $ZQ_API_KEY"

# Federal Reserve only
curl -X GET "https://api.zettaquant.ai/v1/metrics/wcb/documents?bank_name=federal_reserve_system" \
  -H "x-api-key: $ZQ_API_KEY"

# All central banks, 2024
curl -X GET "https://api.zettaquant.ai/v1/metrics/wcb/documents?year=2024" \
  -H "x-api-key: $ZQ_API_KEY"

/summary

# Federal Reserve, Jan–Jun 2024
curl -X GET "https://api.zettaquant.ai/v1/metrics/wcb/summary?bank_name=federal_reserve_system&start_date=2024-01-01&end_date=2024-06-30" \
  -H "x-api-key: $ZQ_API_KEY"

# ECB, stance only, 2023
curl -X GET "https://api.zettaquant.ai/v1/metrics/wcb/summary?bank_name=european_central_bank&year=2023&metric=stance" \
  -H "x-api-key: $ZQ_API_KEY"

# Stance metric, all banks
curl -X GET "https://api.zettaquant.ai/v1/metrics/wcb/summary?metric=stance" \
  -H "x-api-key: $ZQ_API_KEY"