Data of book order and top of book in txt format

I want to analyze the trend of stock price
regarding book order and top of book.
Are there any corporation or software that supply data of book order and top of book in txt format?
 
DTN IQFeed, DTN Nanex...many more, you need to be more specific, e.g. what sort of price range are you looking for? which exchange?


I want to analyze the trend of stock price
regarding book order and top of book.
Are there any corporation or software that supply data of book order and top of book in txt format?
 
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