Company
Yfinance
Sample prompts where it appears
What are the best free market data platforms for early-stage quant research and testing?
Brands:Alpha Vantage,Twelve Data,Stooq,
Yfinance,
Fred
What are the best free market data platforms for a data engineering team testing normalized feeds and warehouse pipelines?
Brands:Alpha Vantage,Stooq,
Nasdaq Data Link,Iex Cloud,
Polygon
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How did Obsurfable measure this?
Obsurfable records AI answers to buyer-style prompts in its research corpus (3 observations for this page). Metrics are distributions over observations, not a single static ranking.
Which AI systems does Obsurfable collect answers from?
OpenAI, ChatGPT, Google, Gemini, Google AI Mode, Anthropic, Claude, Perplexity, Grok, DeepSeek, Mistral, Copilot, and Meta AI.