Blockchain Governance

Here is the curated list of articles on blockchain governance by influencers. Good introduction to know blockchain governance: Introduction to Blockchain Governance blockchain governance design is one of the most important problems out there, its critical components, Blockchain Governance Our Future by Fred Ehrsam blockchain governance design is one of the most important problems out there, its critical components I believe governance is the most vital problem […]

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Text Mining on Nvidia Jetson Nano

Run deep learning on Jetson Nano I received my Jetson Nano this week. If you are wondering what this gizmo is, you can visit this link to know more. Have you heard of Raspberry-Pi? Jeston Nano is the latest AI hardware for masses from Nvidia. It is more powerful than the Raspberry-Pi I am going to run my text mining code on this machine. Watch […]

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Best matched document using gensim

This code is simple version of gensim library demo. Download BBC data set and unzip to a folder. Run the following code and find top 10 matched document based on your query.

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FinTech and Financial Services are coming together

FinTech and Financial Services are coming together

FinTech has evolved from startups that want to take on and beat incumbents, to a broader ecosystem of different businesses looking in many cases for partnerships. FinTech startups don’t just need capital, they need customers. At the same time, incumbents need new approaches to drive change and deliver innovation.

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Simple Text Similarity Matching Using Cosine Similarity

Download Twitter data for the above code:TwitterData_RediPhone_part2

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Shiny R code for multiple plots using ggplot2 and gridextra

Shiny R code for multiple plots using ggplot2 and gridextra

Shiny R code for multiple plots using ggplot2 and gridextra Sample code to use shiny for multiple graphs in same plot Use ggplot2 and gridextra

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Model free implied volatility

Risk-Neutral Skewness and Kurtosis: See this post for R code to calculate model free implied volatility. Let stock price return for period     is given by: (1)   The price of the volatility contract: (2)   The price of the cubic contract: (3)   The price of the quadratic contract: (4)   Define : (5)   For -period model-free implied volatility (MFIV) is: (6) […]

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Volatility smile

Volatility smile

Following code downloads option price data for a day $d$ from NSE website and plot volatility smile  🙂

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R code to download Options and Futures data from NSE

The code below can download daily bhav for Futures and Options from the NSE website.  I have also include sample code that downloads indices level from the National Stock Exchange

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Factor to explain factor

The new fama-french model replaces the existing five-factor model.  The new five-factor fama-french model includes  profitability and investment factors. Profitability factor: Robust minus weak operating profit (RWA )= (SR + BR) / 2 – (SW + BW) / 2 = [(SR – SW) + ( BR – BW)] / 2  Investment factor:  Conservative minus aggressive Investment (CMA)  = (SC + BC) / 2 – (SA + […]

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