polygon.io 的前十大競爭對手

alphavantage.co

alpha vantage offers free stock apis in json and csv formats for realtime and historical stock market data, options, forex, commodity, cryptocurrency feeds and over 50 technical indicators. global market news api and sentiment scores powered by ai and machine learning. supports intraday, daily, weekly, and monthly quotes and technical analysis with chart-ready time series.

finnhub.io

Finnhub - Free APIs for realtime stock, forex, and cryptocurrency. Company fundamentals, Economic data, and Alternative data.

eodhd.com

Financial Data APIs. Fundamental, End of Day (EOD), Real-Time/Live.

marketstack.com

access free stock data api offering real-time and historical market data for global exchanges. marketstack provides fast, reliable stock price api solutions.

databento.com

Databento provides real-time and historical market data APIs. Access data for equities, futures, options, and more with one integration. Sign up for $125 in free credits.

twelvedata.com

Sign in to your account. Work with Twelve Data to access global financial data with the most advanced tools and services.

interactivebrokers.com

leading online trading solutions for traders, investors and advisors, with direct global access to stocks, options, futures, currencies, bonds and funds. transparent, low commissions and financing rates and support for best execution.

alpaca.markets

Alpaca's easy to use APIs allow developers and businesses to trade algorithms, build apps and embed investing into their services.

quantconnect.com

For more personalized assistance and privacy, you can submit support tickets to request assistance from a QuantConnect engineer. You just need a support seat.

finviz.com

stock screener for investors and traders, financial visualizations.