img 08.07.14
Raul Pefaur

Raul Pefaur

Harnessing the Twitter API for Sentiment Strategies

In this project we will be writing an application which downloads tweets from Twitter. We are continuing our journey leaning C#, as we started with our Yahoo Finance data downloader. Twitter has a REST API that allows us to  search for tweets, users, timelines, or even post new messages. We will use an incredible C# Twitter Library […]

img Back to Blog
  • img

    Pioneering Tomorrow’s Trading

    QuantConnect provides a free algorithm backtesting tool and financial data so engineers can design algorithmic trading strategies.

    Sign up for Free
  • img 25.06.14
    Raul Pefaur

    Raul Pefaur

    Downloading Yahoo Finance Data with C#

    The following post is the first in a series by Raul Pefaur on Learning C#. Over the last month Raul has taught himself C# with a variety of projects, tutorials and books which he will describe to help others on their journey to using C# for finance. Raul has a Master of Finance and lives in Santiago, […]

    img 06.06.14
    Raul Pefaur

    Raul Pefaur

    My Journey Learning C#

    The following is a post by Raul Pefaur, the new community manager of QuantConnect. Raul has a Masters in Finance from Universidad Adolfo Ibáñez, Santiago Chile. He recently graduated and is looking to apply his knowledge in QuantConnect. Over the next few weeks he will post about his journey to learn C# and design his first […]

    img 02.06.14
    Avatar

    Jared Broad

    Founder & CEO

    RSI Indicator with Martingale Position Sizing

    Martingale is a bet sizing technique for increasing odds of winning at the expense of increased risk. The classic example is a coin flipping game where the gambler doubles his bet if he loses, in the hopes of making back any losses to break even. He will continue doubling his bet through subsequent losses until […]

    img 27.05.14
    Avatar

    Jared Broad

    Founder & CEO

    The Importance of Benchmarking

    There are two different techniques for measuring your strategy performance; relative and absolute performance. Before you design your strategy its important to define your metrics for success. As you iterate through strategy ideas this will help you know where you need to improve. An absolute return strategy aims to make a consistent steady return independent […]

    img 16.05.14
    Avatar

    Jared Broad

    Founder & CEO

    Three Common Implementation Mistakes

    In our work at QuantConnect we have helped with thousands of budding quants over the years. Our algorithm development terminal is a powerful backtesting platform that allows members to design strategies on 15 years of past equities data. We see several very common mistakes in even the most basic strategies. For our latest free video tutorial – […]

    img 09.08.13
    Simon Burns

    Simon Burns

    Quant Development Intern

    7 Tips For Fixing Your Strategy Backtesting a Q&A With Top Quants

    Strategy backtesting is a mix of art and science. Quants who rely too much on science will fall victim to the infamous Curve Fitting phenomenon. While some quants who overcompensate on their artistic balance will create disillusioned theories that back their models. We created this post to compile leading quants’ perspectives on strategy backtesting covering […]

    img 30.07.13
    Simon Burns

    Simon Burns

    Quant Development Intern

    Designing Sentiment Trading Strategies with Stefan Nann

    Stefan Nann is the Co-Founder and CEO of StockPulse, a provider of social media sentiment data for individual and index securities. Stefan studied Business Administration and Information Systems before performing graduate studies with a focus on financial markets, analysis of unstructured text and online communities. While a visiting scholar at the Massachusetts Institute of Technology (MIT) Center […]

    img 25.07.13
    Simon Burns

    Simon Burns

    Quant Development Intern

    Talking Regime Change Quantitative Strategies with Blake Woodard of RLF Capital Management

    Blake Woodard had a chat with our Growth Hacker Simon Burns on his start in algorithmic trading with Excel following an injury that left him motionless for days, his crowd psychology based market strategy and opinion on HFT. Blake is the Managing Director and Portfolio Manager at RLF Capital Management. Blake will be teaching at […]

    img 18.07.13
    Simon Burns

    Simon Burns

    Quant Development Intern

    Social Media Analytics in Finance with Oli Wilkinson of Knowsis

    Oli Wilkinson had an interview with our Growth Hacker Simon Burns to discuss the inception of his financial technology startup Knowsis following the 2008 crash, the growing influence of social media in financial markets and the process of building a machine learning tool to dissect social media “noise”. Oli co-founded and is the CEO of […]