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SEC EDGAR API in Python: a company's 10-K, 10-Q and 8-K filings by ticker into a CSV (no API key)

SEC EDGAR API in Python: a company's 10-K, 10-Q and 8-K filings by ticker into a CSV (no API key)

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8 min read
Positive IC, negative Sharpe: why a ranking and a portfolio can disagree

Positive IC, negative Sharpe: why a ranking and a portfolio can disagree

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2 min read
Old vs New Tax Regime in India: Find Your Breakeven Deductions with Python

Old vs New Tax Regime in India: Find Your Breakeven Deductions with Python

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3 min read
SEC XBRL Frames Can Mix Fiscal Quarters: Keep the Actual Dates

SEC XBRL Frames Can Mix Fiscal Quarters: Keep the Actual Dates

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3 min read
I Tested Claude's Stock Rules on 10 Popular Stocks

I Tested Claude's Stock Rules on 10 Popular Stocks

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8 min read
$530B in guarantees: Nvidia funded its own demand

$530B in guarantees: Nvidia funded its own demand

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4 min read
Freelancer quarterly tax deadlines for 2026: the dates, the math, and the safe-harbor trick

Freelancer quarterly tax deadlines for 2026: the dates, the math, and the safe-harbor trick

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3 min read
How to Automate 0–30–60–90 Days Accounts Receivable Aging & Credit Risk (DSCR) in Pure Python

How to Automate 0–30–60–90 Days Accounts Receivable Aging & Credit Risk (DSCR) in Pure Python

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2 min read
Modeling BC property transfer tax and Canadian mortgage payments in Python

Modeling BC property transfer tax and Canadian mortgage payments in Python

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4 min read
How an Expected Earnings Move Is Calculated from Option Prices, with Next Week's Numbers

How an Expected Earnings Move Is Calculated from Option Prices, with Next Week's Numbers

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2 min read
Kronos: An AI Model That Learned the Language of Stock Charts

Kronos: An AI Model That Learned the Language of Stock Charts

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5 min read
EMI Calculation Made Simple: Plan Your Monthly Budget Smartly

EMI Calculation Made Simple: Plan Your Monthly Budget Smartly

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4 min read
Building STRIKEWISE: Engineering an Options Pricing Engine with Python and SciPy

Building STRIKEWISE: Engineering an Options Pricing Engine with Python and SciPy

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5 min read
Zoho CRM multi-currency: what to know before you switch it on

Zoho CRM multi-currency: what to know before you switch it on

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5 min read
Why SEC companyfacts Drops Off-Balance-Sheet Data Center Leases: Parsing Dimensional XBRL in Python

Why SEC companyfacts Drops Off-Balance-Sheet Data Center Leases: Parsing Dimensional XBRL in Python

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7 min read
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