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JonatanSiracusa/README.md

Jonatan Siracusa

Data Scientist & Quantitative Analyst

Turning financial complexity and business data into models, systems, and actionable decisions.


About me

I spent nearly a decade trading options and derivatives in one of the world's most volatile markets. That experience shaped how I think: probabilistic, data-driven, and always focused on what actually moves the needle.

My background in Business Administration gave me something most technical profiles lack — a deep understanding of how businesses work from the inside: their processes, inefficiencies, and what decision-makers actually need.

Today I combine both worlds — financial expertise and technical capability in Data Science, ML, and automation — to find and generate value where others don't look.


Tech Stack

Languages

ML & Data Science

Visualization & BI

Cloud, DevOps & Tools

APIs & Integrations


Featured Projects

Project Description Stack
Algorithmic Trading — ML ML signals for GGAL & NVDA. Bloomberg-style candlestick charts. Python · sklearn · Plotly
Credit Risk & Scoring PD modeling + client scoring + business rules for credit assignment Python · sklearn · statsmodels
Market Risk — VaR & GARCH Market risk analysis with GARCH volatility and backtesting on GGAL across crisis periods Python · ARCH · Plotly
Argentina Economic Data Pipeline BCRA, INDEC & Ministry of Economy pipeline with AI-powered PDF parsing Python · APIs · OpenAI
Options Expiration Analysis Probabilistic study of bimonthly option expiration cycles since 2000 Python · Plotly · yfinance
Quantitative Market Regimes HMM-based market regime detection, streaks and conditional probabilities on GGAL Python · hmmlearn · Plotly
Financial Intelligence Bot Multi-source financial intelligence platform with AI-generated reports via Telegram Python · OpenAI · Telegram API
Private AI Transcriber Local Whisper-based transcription app — privacy-first, no upload needed Python · Streamlit · faster-whisper
Retail Stock Manager Demand forecasting & inventory optimization for SMEs Python · sklearn · Streamlit
S&P500 Regime Clustering Unsupervised clustering of S&P500 market regimes by return and volatility Python · sklearn · Plotly

Background

  • 🎓 Business Administration — UNICEN (graduating 2026)
  • 📊 Data Science Diploma — UADE (2022)
  • 📈 Quantitative Finance & Portfolio Management — Matba Rofex School / BCR (2024)
  • 🏦 Trusts & Investment Funds — UCEMA (2023)
  • 🔐 CNV Capital Markets License (in progress — 2026)
  • 🌐 Languages: Spanish (native) · English (C1-C2) · Italian (basic)

What I'm working on

  • Completing and polishing my quantitative finance project suite
  • Building a GitHub Pages portfolio site
  • CNV Capital Markets certification


"Using data and models to find value where nobody is looking."


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  1. plotting-time-series plotting-time-series Public

    Visualization of financial time series, and market price analysis.

    Jupyter Notebook

  2. downloading-historical-prices downloading-historical-prices Public

    This program retrieves financial asset prices from Yahoo Finance, calculates simple and continuous returns, and determines volatility based on adjusted prices. Additionally, it allows exporting the…

    Jupyter Notebook

  3. UADE_DS-Explorative_Analysis_and_Data_Mining UADE_DS-Explorative_Analysis_and_Data_Mining Public

    In this repository you will find many productions achieved by the Team I joined at the Data Science Course in UADE.

    Jupyter Notebook

  4. BymaOrdersManager BymaOrdersManager Public

    This Project makes possible sending and cancelling ByMA stock market orders from an Excel document, without the need of doing it manually on a stock market broker web platform. The technologies use…

    Visual Basic .NET