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Jaroslav Šmarda

Python developer who turns financial market data into plain English. Python for programmers, prompts for everyone else.

“The Market” Isn't One Thing: Watching Sectors Take Turns

“The Market” Isn't One Thing: Watching Sectors Take Turns

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4 min read
Before You Panic About Insider Selling, Check the Code

Before You Panic About Insider Selling, Check the Code

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4 min read
The Volatility Crush: What Happens to IV the Day After Earnings

The Volatility Crush: What Happens to IV the Day After Earnings

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4 min read
One Number, Two Meanings: What Beta Actually Measures

One Number, Two Meanings: What Beta Actually Measures

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4 min read
Two Lines That Move Together, For No Reason At All

Two Lines That Move Together, For No Reason At All

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4 min read
Hundreds of Lines, One Sentence: Backtesting Without the Code

Hundreds of Lines, One Sentence: Backtesting Without the Code

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4 min read
Free, Unrestricted, and Almost as Easy: Reading SEC Filings with a Prompt

Free, Unrestricted, and Almost as Easy: Reading SEC Filings with a Prompt

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4 min read
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