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

NSE MCP Python Tutorial: Build a Simple Stock Market AI Agent with Agno

NSE MCP Python tutorial: connect to the two official NSE MCP endpoints, explore all 26 market data tools and build a simple stock market...
0 9 min read

IRDAI Distribution Reform: Why PB Fintech Crashed 36% and Insurance Stocks Fell on 24 September 2026

IRDAI's plan to cap insurance commissions and costs sent PB Fintech down 36% on 24 Sep 2026. Charts and intraday price action for insurance...
0 7 min read

Introduction to Nautilus Trader Part 3: Portfolio and Multi-Strategy Backtesting with OpenAlgo Historify

Part 3: a six-stock portfolio and two strategies in one Nautilus Trader account, with OpenAlgo Historify data, and what diversification really does.
0 13 min read

Introduction to Nautilus Trader Part 2: Position Sizing, Order Types, Backtest Settings and Tearsheets

Part 2 of our Nautilus Trader series: position sizing, market, limit and stop orders, the backtest settings that move results, and tearsheets with openstatz.
0 15 min read

Introduction to Nautilus Trader Part 1: Architecture and Event-Driven Backtesting with OpenAlgo

New to Nautilus Trader? Learn its event-driven architecture, how orders fill in a backtest, and how to backtest an NSE strategy in Python using...
0 16 min read

NASDAQ, S&P 500 and Dow Jones: A Guide for Indian Traders Following US Markets

Three major US market benchmarks can have very different performances on the same day, but news headlines will often imply that a single number...
0 2 min read

Python Tutorial on Span Margin Calculator using Marginism

Marginism is a Python library that removes that dependency completely. You give it the exchange's daily SPAN risk parameter file and it computes SPAN...
0 17 min read

OpenAlgo Charts: Open Source Charting Platform and Trading Terminal You Can Build On

OpenAlgo Charts is a free and open source charting engine and trading terminal with 102 indicators, 85 drawing tools, market replay, combined option premium...
0 4 min read

What Do We Actually Know About FII Index Futures Shorts?

FIIs have been net short Nifty futures for 333 straight sessions and traders are nervous. Here is what the short actually is, why foreign...
0 5 min read

NIFTY Market Profile Outlook: Sellers Remain in Control, but the Auction Is Approaching an Important Decision Zone

NIFTY Futures remains in a seller-controlled auction, with Market Profile showing lower value development and dominant short-term sellers around 24,110–24,140. However, the market is...
0 6 min read

How to Build Survivorship-Bias-Free NIFTY 50 Historical Data Using Grokbot

Learn how to build survivorship-bias-free NIFTY 50 backtests using historical constituents, official index weights, effective dates, and NSE Indices data. See how Grokbot can...
0 5 min read

Why Exact Reference Levels Can Reveal Short-Term Traders – Market Profile Tutorial

Exact reference levels can reveal more than simple support or resistance. By observing how price reacts around previous highs, lows, and other obvious references,...
0 7 min read