Intraday Realtime Free Data Feed Yahoo NSE BSE Nifty Sensex

Exploring Yahoo Realtime Data Feed

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Here is an everyone’s question. How to and from where to fetch intraday realtimedata feed. Here is the link where the yahoo finance offers real time data updates in realtime in csv format at free of cost.
http://chartapi.finance.yahoo.com/instrument/1.0/^nsei/chartdata;type=quote;range=1d/csv/
Where the ^nsei denotes the yahoo finance symbol for Nifty

For Example by replacing ^nsei with the ACC.NS(yahoo finance symbol for ACC we could be able to get the realtime intraday data for yahoo feed in csv format(1 min data). Where the Yahoo finance symbol for nse stocks can be found from Yahoo Symbol Lookup
http://chartapi.finance.yahoo.com/instrument/1.0/ACC.NS/chartdata;type=quote;range=1d/csv/
and range=1d denotes intraday data feed and range=5d denotes past 5days data feed
The below link give the realtime data feed for past 5days which could be used as a source to backfill your chart for the past 5 days.
http://chartapi.finance.yahoo.com/instrument/1.0/ACC.NS/chartdata;type=quote;range=5d/csv/
Just those who have little stuff with .Net programming could decode this csv data Plus writing few lines of Amibroker Dll Plugin will make you able to feed these free real time data into your amibroker software at free of cost which most of the traders are wasting time in paying for a realtime software
Will do some more Reverse Engineering about the real time feed fetching some time later on

Intraday Realtime FREE NSE BSE Backfill Data google yahoo

Google Realtime Intraday Backfill Data

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How to get the realtime intraday backfill data. Many of us know that google provides 15 day intraday 1min backfill. But where is the source
how the softwares like Manshi RT and volume digger getting those backfill data?
The below link gives the realtime backfill data which most of the softwares are probably using it as a source for realtime datafeed
http://www.google.com/finance/getprices?q=RELIANCE&x=NSE&i=60&p=5d&f=d,c,o,h,l&df=cpct&auto=1&ts=1266701290218
where
q= stock symbol on Google finance
x= exchange symbol
i= interval (here 60 means 60 sec (1 minute interval))
p= no of period(here 5d denotes 5 days of data)
f= parameters (day, close, open, high and low)
df= difference (cpct is may be in % change )
auto =1,
ts = time start… if you cut the last 4 digits…the rest gives the start day in seconds
you can choose your own set of value depending upon your need.
The following link gives the 1 min Realtime data for Nifty
http://www.google.com/finance/getprices?q=.NSEI&x=NSE&i=60&p=15d&f=d,o,h,l,c,v
Using the above explanation we can build any formats(1min,5min, 15min,hourly) of real time data and can be use as a backfill
to feed charting softwares like Amibroker, Metastock, Ninja Trader etc
To get 1 min Data
http://www.google.com/finance/getprices?q=CIPLA&x=NSE&i=60&p=15d&f=d,o,h,l,c,v
To get 5 min Data
http://www.google.com/finance/getprices?q=CIPLA&x=NSE&i=300&p=15d&f=d,o,h,l,c,v
to get 15 min Data
http://www.google.com/finance/getprices?q=CIPLA&x=NSE&i=900&p=15d&f=d,o,h,l,c,v
to get Hourly Data
http://www.google.com/finance/getprices?q=CIPLA&x=NSE&i=3600&p=15d&f=d,o,h,l,c,v
want to know how to and from where to fetch intraday realtimedata feed using yahoo finance. Here is the link where the yahoo finance offers real time data updates in realtime in csv format at free of cost.