Vanna & Charm: The Greeks That Move Markets
Tomasz Dobrowolski, Quant Engineer
research notes
Research & Insights
Technical notes on options pricing, volatility modeling, and quantitative trading strategies. Original research for systematic traders and portfolio managers.
Volatility Skew Trading: 3 Strategies Using Live Skew Data
Tomasz Dobrowolski, Quant Engineer
The Complete Guide to Options Volatility: From IV to VRP to Vol Surface
Tomasz Dobrowolski, Quant Engineer
IV Rank vs IV Percentile: The Difference and Why It Matters
Tomasz Dobrowolski, Quant Engineer
Options Chain API - Real-Time Greeks, IV, Open Interest for 6,000+ Stocks
Tomasz Dobrowolski, Quant Engineer
Real-Time Options Data: How to Get Live Updates via API
Tomasz Dobrowolski, Quant Engineer
Volatility Surface API: Build and Visualize an IV Surface in Python
Tomasz Dobrowolski, Quant Engineer
Real-Time Options Data API for Developers: Complete Guide
Tomasz Dobrowolski, Quant Engineer
IV Rank Scanner: Free Screener for Highest IV Stocks (2026)
Tomasz Dobrowolski, Quant Engineer
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