Compound growth calculator
See how balance grows over time from a starting amount, a monthly addition, and a steady rate you choose. Page: /tools/compound-growth-calculator.
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Fenul Capital Investment
Clear articles and practical tools for people who invest seriously. Nothing here is personalized investment advice.
Tools
Calculators for learning
These pages help you see how changing an input changes an output. They are starting points for thinking, not trading systems and not personal advice.
Library
Calculator pages
Open any item below. Each calculator runs in your browser with clear labels and limits—illustrative math for learning, not a trading system.
Portfolio allocation analyzer
Set weights across a few asset buckets and notice how concentration or drift might look. Page: /tools/portfolio-allocation-analyzer.
Options profit / loss calculator
Sketch a simple option position and see where you gain, lose, and break even before real money is involved. Page: /tools/options-profit-loss-calculator.
Risk / reward calculator
Compare how much you might lose versus how much you hope to gain on a defined idea. Page: /tools/risk-reward-calculator.
Drawdown recovery calculator
Turn a percent loss into the gain you would need to get back to even. Page: /tools/drawdown-recovery-calculator.
Retirement projection simulator
Rough savings path with simple assumptions—useful for direction, not a promise of retirement income. Page: /tools/retirement-projection-simulator.
Inflation impact calculator
Compare nominal future prices with the shrinking purchasing power of idle cash under an inflation assumption. Page: /tools/inflation-impact-calculator.
Important
Not investment advice
Articles and calculators on this site are for learning. They are not a recommendation to buy or sell any security, and they are not tailored to your personal situation.
Education vs personal advice
If you work with an adviser, that relationship has its own agreements and disclosures. Reading here does not replace that.
No outcome guarantees
Markets are uncertain. We write to explain ideas and trade-offs—not to promise returns or timing.