BC HISTORICAL DATA CAPTURE METHODOLOGY
Saved by @kirankio1996

Most beginners when building a trading strategy simply use current info and test with it, they don't know How to Get Historical Stock Futures lot size, list of stocks that are part of index like Nifty 50, Nifty 500 historically, I will share all such info in this thread

 Please note that there is no way to get the historical lot size of stocks futures, NSE don't publish it directly, so we need to do some calculated steps to get that data. Download Market Activity report https://t.co/HKLkSVtXEI
The zip file contains multiple files, open the second file.
The file will contain stock symbol, expiry date, OHLC data, along with that you get traded quantity and No of contracts traded, using this data we can calculate the lot size of every stock symbol. Simply divide Traded QTY / NO of contracts gives you the lot size.
So to get the historical stock futures data, all you need to do is change the date in the below link

https://t.co/xIBXsPpIVt For an example, to get the historical stock futures lot size data for Sep 2016, use https://t.co/Criu7S3Fi5
If you want to download the FnO stocks and their lot size for current month, you can simply go to https://t.co/imuJA3Nmj7
When you are designing a stock trading system based on certain universe like Nifty 50, Nifty 500 etc, it is important to test the strategy with list of stocks that are part of these indices historically.
If you test the strategy with current Nifty 50 or Nifty 500 stocks, you will get extraordinary results due to survivorship bias. Don't do that mistake. Stocks like DLF, RCOM, UNITECH were part of Nifty 50 in 2008, not any more.
To get Historical constituents of Nifty Index data, go to https://t.co/qbCBz0w7P0 which will show you current month list of stocks that are part of different indices. Click on Archive
Select Indices - Market Capitalization from drop down and select historical month/year, click on submit. It will generate a zip file which will contain the required information.
Not only for Nifty 50, Nifty 500, you can get the list of stocks that are part of each index.
Once you open the PDF file, you can see the stock symbol, full name, which industry it belongs to and their weightage with respect to index.
So to get the historical stocks list for different indices, all you need to do is change the month/year in the below link

https://t.co/MVN1wrKt4z

For an example, to get the historical constituents of all index for Aug 2013, i will use https://t.co/k79hR372dW
The top 10 stocks of Nifty 50 determines the over all direction of the markets And this top 10 varies at frequent intervals. So to get the historical TOP 10 Nifty 50 stocks, all you need to do is change the date/month/year in the below link

https://t.co/bNMunOr74B
You can download end of the data from NSE for all equity cash segment stocks Go to https://t.co/Vo3DHGP1f0

enter the stock symbol and date criteria for which you want to download the data
To get the stock futures historical data, go to the below link select the symbol, year, expiry period and time period for which you wan to download the data

https://t.co/hjyUDNVwZ2
To get the Index spot data, go to below link and select the index from drop down and give the time period.

https://t.co/Ny8T1X8Xee
List of all ETFs:

To get the list of all Exchange Traded funds listed in NSE, just go this link https://t.co/XSqmXhmxJN
In last 25 years there were many stocks which was included in Nifty 50 and stocks that did not perform well were removed from Nifty 50. List of stocks that were added to different index and removed from different index data is available in this link

https://t.co/0Dn036xifc
The complete information has been drafted as a blog post and shared here, check it out. https://t.co/ccwXC11TnH

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Nifty 14500 CE trade which made day low price of 0.15 and day high price of 2139, due to erroneous order by a broker who lost 250 crores. Some ppl claim few others brokers made 50 to 75 crores profits. But what really happened? Here's the tick data analysis that shows true info🧵

Yesterday being a weekly expiry market was so calm, not making any major movements. Nifty was trading around 16500 but there was a freak trade happened with deep In the money option 14500 CE. It was trading around 2000 levels, usually the liquidity will be very shallow with ITM

it was hovering around 2000 to 2100 levels but suddenly around 2:30 pm, the price of the option went as low as 0.15 paise. Here's the tick data price chart of 14500 CE option strike


What's really interesting about this sudden move is, usually when a freak trade happens it last for few seconds and instantly get back to its average traded price levels. But in this case, there were many buy trades executed at a very low price.

Obviously this a fat finger error trade, where a broker based out of Kolkatta, erroneously placed sell order for 14500 CE instead of 16500 CE.
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Whenever #Nifty & #BankNifty closes less than -1% on Fridays, what happens on Monday and what happens on next 30 days. Interesting analysis, will be sharing the details shortly.

Only 7 times in last 11 years, #IndiaVix moved more than 15% on Fridays and only 2 times Vix dropped on following Monday, rest all the time Vix increased on Monday as well.


After Friday’s Vix big move, What happens after 30 days, all 7 times the Vix went up much higher in next 30 days. So this Friday’s fall could be start of the next big volatile sessions in the coming weeks


With 25 years of data, 251 times Nifty dropped < -1% on Fridays, 58% of the time following Monday witnessed further fall, average move on such Mondays are -1.8%


This how Nifty moved in next 30 days, after the Friday fall. Market continued to slide in next 30 days as well. 58% of the time next 30 days returns turned negative.
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Emerging markets like SriLanka is in middle of collapse, which is facing severe depression. World Bank has predicted 70 more countries might default in coming years. With so many negative news, from equity to bitcoin every asset class facing severe sell off across the globe.

Everyone is currently talking about Inflation, rise in oil prices, Russian-Ukraine war and frequent lockdowns in China which is disrupting the supply chain. These are some of the major threats which could slowdown the world economy. But will these cause a stock market crash? No!


author of The Psychology of Money was once said

"The biggest economy risk is what no one is talking about. When no one is talking about it, no one is prepared for it. When no one is prepared for it, damage is too much."

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Over the last couple of years, I did n number of research on systematic investment methods.
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When it comes to trading most of us are busy with backtesting multiple option trading strategies with no code platforms like Stockmock Algotest etc but when it comes to investing very few charting platforms available to test long term investing methods.

I wanted to do SIP but instead of investing in mutual funds, I wanted to develop systematic approach on choosing the stocks and invest in them and rebalance them based on certain criteria.

I have written multiple articles on this topic, like how to find which is the best sector to invest?

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If you are someone who spends more time on analyzing markets during trading, then this for you. Certain traders will create their own bullish or bearish view in their mind but seek confirmation for their trades which is called as confirmation bias. #tradingpsychology 1/15


We do not like people or information that contradicts our thoughts. We like them when they confirm what we think. Hence, we tend to place more weight on information that confirms our trade position. Example- You think market is bullish & wanted to go on a long position,

Next a new bullish bar prints on the chart. You would think "Yes, my bullish proposition is still valid" (even though this bullish bar is smaller range)

A bearish bar prints. But you think "this bar lacks momentum" (because you already have firm belief that market is bullish)

One more bearish bar follows, pushing against a support level. But you would think "the support level is holding" Bullishness confirmed. Buy more! (even though this bar closed below the support level with clear momentum.)
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