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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
I know simfin.com, which is great for US but pretty useless for everything else (Germany has 32 tickers... that's an order of magnitude too small).
I've stumbled upon quantel.io, which looks really interesting to me.
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