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changjulian17/README.md

Hi there, I'm Julian 👋

Quant Student and Techology Delivery Lead

  • Pursuing Masters of Quantitative Finance 🔣 at Singapore Management University 🎓 - graduating 2026
  • DBS Bank for more than 4 years and want to start my quant career✅
  • I graduated from General Assembly's Data Science Immersive in 2021 🌱
  • I’m looking to combine my two passions: Investing and Applied Math 👯

Macro-investing enthusiast 📈

Python and Quant projects as a passion 🐍

Part-time global macro trader 🌐

Physics and Philosophy nerd 🤓

Rugby 🏉, Sumo and Onosato fan ⛩️

Ex-Aerospace Engineer ✈️

Connect with me:

medium articles github LinkedIn Tableau



🛠️ Languages and Tools:

  • Python
    • numpy
    • FastAPI
    • SQLite
    • sklearn
    • stable-baseline3
    • PyTorch
  • C++
  • Docker
  • Unix
  • Scala / Spark
  • Tableau

📁 Portfolio

  • SMU Quant Practices
    • QF633 C++
      • Options pricing with OOP
    • QF621 Quantitative Trading Strategies
      • High frequency trading
    • QF605 Fixed Income Securities
      • No-abitrage forward pricing: bootstrapping collateralised/non-collateralised forward rates
      • Swap/Libor Market Model, convexity correction
      • Pricing risk neutral: swap, swaptions, constant maturity swap
      • Short rate: Vasicek, Ho-Lee, Hull
      • Project QF605_Fixed_Income/Project
        • Bootstrapping Swap Curves: Discount Curve, IRS pricing, forward swaps
        • Swaption Calibration: SABR
        • Convexity Correction: CMS
        • Exotic CMS Payoff
    • QF609 Risk Analysis
      • Value-at Risk: Stocks, Options
      • Parametric VaR - with correlaed assets
      • Monte Carlo VaR
      • Historical VaR
    • QF602 Derivatives
      • Spread option pricing
      • Derive Barrier Option - Up and In Put
      • Greeks - graphs
      • Exotic products: TARF, CLN, FCN
      • Jump-Diffusion
      • Carr-Madan - static replication
      • QF634 Applied Quantitative Research Methods
      • Project QF634_Applied_Quantitative_Research_Methods/QF634 Project
        • universe: TOPIX
        • pair trading and clustering
        • neural networks in optimising entry and exit
          • Applying Markov chain -- Q table and 3 layer Neural Networks
    • QF600 Asset Pricing
      • Homework 1: Efficient Frontier with Object Oriented Class
      • Homework 2: Market Model / Security Market Line
      • Homework 3: Factor models. Performance measures
      • Homework 4: Efficient frontier and Monte Carlo Sims
    • QF620 Stochastic Methods
      • Assignment 1: Binomial Tree, Brownian Motion
      • Assignment 2: Exotic option pricing
      • Assignment 3: Stochastic Differential Equations
      • Assignment 4: Carl-Madan model-free option pricing
      • Project
        • Part 1 option pricing
          • Black Scholes
          • Bachelier
          • Black
          • Displaced Diffusion
        • Part 2 option market pricing model
          • SABR
          • Displaced Diffusion
        • Part 3 Exotic option pricing
          • exotic payoffs - model-based and Monte Carlo
        • Part 4 Dynamic hedging
          • Black-Scholes dynamic hedging comparing frequencies of delta hadging and tracking error
  • ML Engineer Assessment
    • Section A: Coding challenge, Neural Network by hand
    • Section B: The million song dataset; song classification, db creation, cache model, docker and cluster deployment of webapp
  • Automated Portfolio allocator - DRL
    • FinRL
    • stable-baseline3: PPO, RolloutBuffer
  • NLP - Reddit posts
    • sklearn: TF-IDF, CountVectoriser, RandomForestClassifier
  • HDB Resale
    • sklearn: RandomForestRegressor, K-clustering
    • Difference-in-difference modeling
    • Tableau

📕 Latest Blog Posts

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  1. qf621_hft qf621_hft Public

    QF621_hft_analysis

    HTML 1 2

  2. mqf_practice mqf_practice Public

    Jupyter Notebook

  3. MLEassessment MLEassessment Public

    ML Engineer assessment

    Jupyter Notebook

  4. DataSciencePortfolio DataSciencePortfolio Public

    These are the projects I've completed at General Assembly

    Jupyter Notebook 10 10

  5. resale_HDB resale_HDB Public

    Analysis on the resale HDB prices in Singapore (Sep 2021)

    Jupyter Notebook 2 2

  6. qf627 qf627 Public

    Jupyter Notebook