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Personal finance, investing, and financial literacy.

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I let an AI read my bank statement. Then I made it show me exactly what it trusted.

I let an AI read my bank statement. Then I made it show me exactly what it trusted.

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2 min read
I tracked my SaaS numbers in a spreadsheet I was afraid to open. So I built the simpler read.

I tracked my SaaS numbers in a spreadsheet I was afraid to open. So I built the simpler read.

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2 min read
Why Most Student Loan Calculators Are Ad Traps (And How to Find a Clean One)

Why Most Student Loan Calculators Are Ad Traps (And How to Find a Clean One)

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2 min read
Stock Perps Are Here. The Lesson Is Still Leverage.

Stock Perps Are Here. The Lesson Is Still Leverage.

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6 min read
How to Analyze a Broker P&L Before Buying a Business (A Buyer's Framework)

How to Analyze a Broker P&L Before Buying a Business (A Buyer's Framework)

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3 min read
Building a live stock market dashboard as a Firefox extension: free APIs, sparklines, no backend

Building a live stock market dashboard as a Firefox extension: free APIs, sparklines, no backend

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2 min read
DeFi Explained: How Decentralized Finance Is Reinventing Global Credit

DeFi Explained: How Decentralized Finance Is Reinventing Global Credit

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3 min read
How to Calculate Vectorized Supertrend & Intraday VWAP in Python (Plus 125+ Free Quant Scripts)

How to Calculate Vectorized Supertrend & Intraday VWAP in Python (Plus 125+ Free Quant Scripts)

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1 min read
$3.2T hidden AI debt grew 90% in 6 months

$3.2T hidden AI debt grew 90% in 6 months

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4 min read
The maths behind an options yield matrix (and why raw premium misleads you)

The maths behind an options yield matrix (and why raw premium misleads you)

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4 min read
We tested the viral AI chart model on dates it can't have seen. No edge.

We tested the viral AI chart model on dates it can't have seen. No edge.

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5 min read
Get a company's revenue history from SEC filings in Python, with the filing for every number

Get a company's revenue history from SEC filings in Python, with the filing for every number

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5 min read
Market Analysis: Systemic Risk and the Structural Shift Toward Decentralized Asset Custody

Market Analysis: Systemic Risk and the Structural Shift Toward Decentralized Asset Custody

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3 min read
When does Archer Aviation (ACHR) report Q3 2026 earnings, and what do analysts expect?

When does Archer Aviation (ACHR) report Q3 2026 earnings, and what do analysts expect?

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3 min read
How we track the stock trades of every U.S. politician (STOCK Act data, 2026)

How we track the stock trades of every U.S. politician (STOCK Act data, 2026)

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3 min read
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