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: canonical ticker identity across market data providers](/_next/image?url=https%3A%2F%2Fraw.githubusercontent.com%2FTradingGoose%2FTradingGoose-Blog%2Fmain%2Fbuilding-tradinggoose-market%2Fcover.png&w=3840&q=75)
TradingGoose-Market: canonical ticker identity across market data providers
How building data connectors across Alpaca, Yahoo Finance, and Finnhub exposed a fragmented ticker identity problem — and why we built an open source, self-hostable market reference data platform to solve it.
Apr 7, 2026
17 min read
engineering