Firefly - Are You Going to Make It?
Track your path to financial independence, not just returns
What it does
Most trackers tell you how your portfolio performed. Firefly tells you if you'll reach Financial Independence. Set your Endgame target. Firefly builds a daily forecast from your real returns and contribution rate - not generic assumptions. Modified Dietz TWR, calculated daily. Multi-currency FX. Automatic split handling. Subscription-funded. Privacy-first. Built for people serious about Financial Independence.
Does the same job
all alternatives →- MMoneyOnFIRE2025 · moneyonfire.com · ▲21
We’re Scott and Sunny—two long-time personal finance nerds. When we met 6 years ago we compared our personal finance spreadsheets. Ours were packed with macros, scenarios, and tax modeling—but even then, found they were not complete. Planning for financial independence is hard, and the cost of mistakes is high. So we built the tool we always wanted: MoneyOnFIRE. MOF calculates a personalized, tax-aware roadmap to financial independence—across account types, life goals, and withdrawal strategies. It shows you not just if you can achieve financial indepdendence, but how, when, and what to…
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