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It depends if you want data for the entire market or select venues like IEX, AlphaVantage, etc.

@guru Are these downloadable tapes you mention pcap files of the actual binary feeds?

Sorry - No, we do not support excel at the moment, we are more developer focused.

TradingView offers a solution for this. You can use TradingView charts with a data provider you choose. We have been working on integrating Polygon to be compatibly with their charting library. If you're interested in this please email us at support@polygon.io. We should have the adapter library...

We have streaming example python code: https://github.com/Polygon-io/client-examples/blob/master/websockets/python/polygon.py The REST API docs ( for historic data ): https://polygon.io/docs/#!/Stocks--Equities/get_v1_historic_trades_symbol_date

We have had many users coming from IB. But I'm not sure exactly what they're doing with it. I'm not very familiar with IB, however I do know quite a bit about ActiveTick.

Most of our clients use Polygon to build their own custom trading applications. We provide standardized REST and websocket APIs. It may work with some trading software, but it's not something we test currently.

Ohh, no we only stream ticks or minute aggregates. No tick aggregates. Sorry,

@syswizard Yes, we stream minute bars for all 24k+ symbols in real-time, as well as historic.

Yes, Polygon offers the CTA+UTP and OTC ( pink sheets ) as well. Our minute aggregate bars go back to the year 2000.

Well there are 14+ public exchanges. The CTA + UTP feed are a consolidated feed of all those exchanges, which has 100% market coverage. Unless you're creating your own consolidated feed ( extremely expensive ) you'll need access to the CTA+UTP for full market coverage.

Are your bars for the entire CTA + UTP feed? If not there may be trades on other exchanges that you're not seeing/generating bars for. Yahoo, Google and most other sites use the SIP/CTA.

Correct, earnings data is only historic, no future dates for upcoming earnings. Historic data is only adjusted for splits currently ( same as yahoo finance ). We are working on a change to be able to query unadjusted, split, or split & dividend adjusted. I just want to make it known we are a...

- We have a provider for data currently, but are working on a SEC edgar parser to obtain the data directly. - Yes, historic aggregate data is adjusted for splits. Tick data is not adjusted. - We do not offer OHLC for quote data.

Tick data usually runs anywhere from $50/m to $1k+/m. It really depends on the vendor and which feeds are included. As well as the amount of symbols you're looking to stream (real-time). Be sure to account for the latency of the real-time data when backtesting, if it's a latency sensitive strategy.

@qlai The websocket service is new, the site should be update with links to it soon. https://polygon.io/sockets As for the developer access, we are extremely busy with development our core systems. When we have time we will try to add a mocked API environment. Until then the 7day free trial is...

Good luck with the project! Any plans to open source it? Sounds very useful

Are you looking for a trading system? Are you looking to automate the trading or manual trading? If you offer some more insight I think the community will be able to help more. With account sizes that large, make sure it's a broker/software you trust.

Are you looking for a free or paid service?

https://toolbox.google.com/datasetsearch Is sometimes helpful for finding govt or open source data sets. For example, GDP: https://toolbox.google.com/datasetsearch/search?query=gdp has GDP datasets for many countries.