Cogent Cash Blog

Professional finance education: valuation methods, hedging strategies, portfolio analysis, and investment tools for retail investors.

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12 min read

Rent vs Buy: The Real Math Behind Your Biggest Financial Decision

Stop guessing whether to rent or buy. Use the price-to-rent ratio, the 5% rule, and our interactive calculator to make the decision based on math, not emotion.

Mortgage #rent vs buy#price to rent ratio#home buying
10 min read

Mortgage Amortization: How Extra Payments Save You Years

Your first mortgage payment is mostly interest. Learn how amortization works, why extra payments save thousands, and calculate exactly how much time and money you can save.

Mortgage #mortgage amortization#extra payments#biweekly payments
11 min read

Comparable Company Analysis: How Wall Street Prices Stocks

Learn how investment bankers and fund managers value companies using comparable company analysis. Master EV/Revenue, EV/EBITDA, and P/E multiples with our interactive calculator.

Valuation #comps#EV/EBITDA#EV/Revenue
12 min read Featured

Dollar-Cost Averaging: The Data-Backed Guide (With Calculator)

Learn how dollar-cost averaging works, see historical DCA vs lump sum comparisons, and calculate your break-even price with our interactive tool.

Dollar-Cost Averaging #DCA#cost averaging#break-even
14 min read Featured

How Much Do I Need to Save to Retire Early? (FIRE Calculator)

Master the math behind FIRE. Calculate your savings goal, model compound interest scenarios, and test withdrawal strategies with our interactive simulator.

Savings & FIRE #FIRE#retirement#compound interest
18 min read Featured

Hedge Fund Strategies for Retail Investors: Complete Guide

Explore 18 institutional strategies adapted for retail: long/short equity, risk parity, statistical arbitrage, volatility trading, and more.

Investment Strategies #hedge fund#strategies#long/short
11 min read

LBO Analysis Explained: How Private Equity Prices Deals

Understand leveraged buyout mechanics: debt paydown, IRR targets, exit multiples, and how PE firms determine maximum purchase prices.

Valuation #LBO#private equity#IRR
9 min read

Risk Parity vs 60/40: Which Strategy Wins Long-Term?

Compare risk parity and traditional 60/40 portfolios. See how equalizing risk across asset classes changes returns, drawdowns, and crisis performance.

Investment Strategies #risk parity#60/40#asset allocation
13 min read

Statistical Arbitrage for Retail Investors: Pairs Trading Guide

Learn how statistical arbitrage and pairs trading work, including z-score calculations, entry/exit thresholds, and real examples with KO/PEP. Build market-neutral strategies with our simulator.

Investment Strategies #statistical arbitrage#pairs trading#mean reversion
10 min read

Options Hedging Strategies: Protect Your Portfolio

Master options hedging strategies: Protective Puts, Covered Calls, Collars, and Long Straddles. Visualize risk/reward with interactive Black-Scholes analysis.

Hedging #options#hedging#protective put
10 min read

Understanding DCF Valuation: A Visual Guide to NPV and IRR

Learn how Discounted Cash Flow analysis works. Visualize Net Present Value (NPV) and Internal Rate of Return (IRR) with interactive charts to make better investment decisions.

Valuation #DCF#NPV#IRR