Rajandran R

  Bangalore • https://www.marketcalls.in Creator of OpenAlgo - OpenSource Algo Trading framework for Indian Traders. Building GenAI Applications. Telecom Engineer turned Full-time Derivative Trader. Mostly Trading Nifty, Banknifty, High Liquid Stock Derivatives. Trading the Markets Since 2006 onwards. Using Market Profile and Orderflow for more than a decade. Designed and published 100+ open source trading systems on various trading tools. Strongly believe that market understanding and robust trading frameworks are the key to the trading success. Building Algo Platforms, Writing about Markets, Trading System Design, Market Sentiment, Trading Softwares & Trading Nuances since 2007 onwards. Author of Marketcalls.in

         



3559 Stories by Rajandran R

Crude Oil is Extremely OverSold?

If you’ve been watching the crude oil market closely in 2025, you might have noticed something unusual. After a sharp selloff, prices didn't just...
0 1 min read

Mastering VectorBT – Broadcasting -How to Run Multiple Strategies at Once – Part 5 -Python Tutorial

If you're using VectorBT to backtest trading strategies, you've probably seen the term "broadcasting" pop up. It's not just a fancy technical term. Broadcasting...
0 2 min read

Zerodha Slashes API Data Charges to ₹500/month After Regulatory Green Signal from NSE

India’s leading brokerage Zerodha has once again taken a bold step by significantly cutting its API data pricing—from ₹2000/month to just ₹500/month—thanks to the...
0 1 min read

Plotting Stock Charts in MATLAB using Python’s yfinance

This tutorial explains how to fetch and visualize stock price data from Yahoo Finance using MATLAB. We use Python's yfinance library from within MATLAB...
0 1 min read

New NSE Rules for Retail Algo Trading: What Retail Traders, Algo Platforms, and Brokers Must Now Do

Retail algorithmic trading in India is undergoing a regulatory transformation. On May 5, 2025, the National Stock Exchange (NSE) released a detailed framework defining...
1 2 min read

Groww Enters the Algo Arena with Powerful Trading APIs

Groww has officially entered the trading infrastructure space with the launch of its own APIs, allowing developers and retail traders to automate their trading...
0 1 min read

Demystifying SHAP for Traders: How to Trust Your Machine Learning Forecast

In this post I walk through a live CatBoost model that forecasts the NIFTY-50 and then crack it open with SHAP analysis. You’ll see...
2 6 min read

Nifty Futures Overheated? – Market Profile Analysis

In the face of global trade turbulence, particularly the intensifying U.S.-China trade war, Indian equities—led by the Nifty Futures—have demonstrated surprising resilience. Despite a...
0 1 min read

Short-Term vs Long-Term AI Risks: Explained by Geoffrey Hinton

One of the most vocal and respected figures in this discourse is Geoffrey Hinton, often hailed as the Godfather of AI. In a recent...
0 3 min read

Choosing the Right Trading Platform for Building Trading Systems

Choosing the right trading platform is essential for developing efficient, scalable algorithmic systems. This deep-dive guide compares six leading environments—Amibroker, TradingView, Python, NinjaTrader, Node.js,...
0 13 min read

Why Traders and Investors Should Pay Attention to Google’s Gemma 3

At first glance, Gemma 3 looks like yet another AI model family — released, benchmarked, and forgotten by most. But take a closer look,...
1 2 min read

Computing Option Greeks Using OpenAlgo and Mibian: A Python Guide for Traders

This tutorial demonstrates how to calculate real-time Option Greeks—Delta, Gamma, Theta, Vega, and Implied Volatility—for NIFTY options using Python. By integrating OpenAlgo for live...
0 2 min read