Firenomics

Firenomics covers the math behind financial independence: savings rates, withdrawal strategies, and where the 4 percent rule breaks over 50-year retirements. Pieces run sequence-of-returns risk on real portfolios, price guru courses on expected value, and treat retirement spending as a calibration problem. Published by Poket Dev LLC.

Firenomics, a Poket Dev LLC publication, treats retirement math the way an auditor treats a balance sheet. The 4 percent rule gets stress-tested against 50-year retirements instead of 30, with the failure points laid out year by year. Portfolio concentration gets the same treatment: a recent piece walked through why a Mag-7 heavy portfolio breaks under sequence-of-returns risk even when average returns look fine. The expected value habit shows up in the reviews too: a $997 FIRE course is priced against what the same money earns in a 15-year index position, and the math decides. Other pieces cover bridge income after a late-career layoff, the spending-fear math behind withdrawal strategies, and why desired salary should be priced like an investor would price it. Savings-rate framing comes from the same place: a 40 percent rate is an input to the survival checks the site runs at 35 or more years out. When a plan fails the math, the piece says so.

• Withdrawal strategies stress-tested against 50-year retirements
• Sequence-of-returns risk run on real portfolios, Mag-7 included
• Guru courses priced on expected value against index returns

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