e.g. yahoo finance, rediff site, icici website etc... get the stock quote of a given symbol. From where will they get the data and how will they get the data? Will somebody in the stock market sitting and seeing the board and sending the data? Or NSE/BSE is transmitting data on some port where these websites are listening and providing them?|||Thee stock tickers are public domain.....all they need do is subscribe to the service.. and BOOM they have them...
Remember back in the 1920's.. people actually had stock tickers in their offices.....|||I imagine they pay a fee to the exchange to be provided with stock quotes. Many places build in a delay, so that they are not responisble if the quotes are not real time.|||same place any broker gets it == off the internet for a fee!!!!
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