Insights for Smarter Portfolio Decisions
Evidence-based research on portfolio comparison, backtesting, rebalancing, risk diversification, and tax-aware investing — for advisors and serious investors.
Every insight is grounded in real market data and the same analytical principles used inside Awalyt.
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All Insights
![How to Check ETF Overlap for Free — And Why You Should Before Buying Two ETFs [2026]](/_next/image?url=%2Fimages%2Finsights%2Fbest-practices%2Fhow-to-check-etf-overlap-free-and-why%2Fcover.jpg&w=3840&q=75)
How to Check ETF Overlap for Free — And Why You Should Before Buying Two ETFs [2026]
A free way to check how much two ETFs actually share, and why investors who hold VOO and QQQ together end up more concentrated than they think.
![How to Run a Free DCA Backtest — And Why You Should Before Investing [2026]](/_next/image?url=%2Fimages%2Finsights%2Fbest-practices%2Fhow-to-backtest-dca-free-and-why%2Fcover.jpg&w=3840&q=75)
How to Run a Free DCA Backtest — And Why You Should Before Investing [2026]
A free way to backtest dollar-cost averaging on any ETF in under a minute, and why running it first beats picking based on forum advice and gut feel.
![10 Years of $300/Month DCA: What Happened on VOO, QQQ, AAPL, and 7 Other Popular Assets [2026]](/_next/image?url=%2Fimages%2Finsights%2Fbest-practices%2Fdca-backtest-10-popular-assets-10-years%2Fcover.jpg&w=3840&q=75)
10 Years of $300/Month DCA: What Happened on VOO, QQQ, AAPL, and 7 Other Popular Assets [2026]
I ran $300/month DCA from 2016 to 2026 on 10 popular ETFs and stocks. The dispersion is brutal, and gold beat the S&P 500. Here's the data.
![VT vs VTI: Is a World ETF Actually More Diversified? [2026]](/_next/image?url=%2Fimages%2Finsights%2Fportfolio-comparison%2Fvt-vs-vti%2Fcover.jpg&w=3840&q=75)
VT vs VTI: Is a World ETF Actually More Diversified? [2026]
Is a world ETF more diversified than a US one? 16 years of daily data on VT vs VTI: returns, risk, and the 50% overlap most investors never check.
![VOO vs SPMO: Should You Trade the S&P 500 for Its Momentum Version? [2026]](/_next/image?url=%2Fimages%2Finsights%2Fportfolio-comparison%2Fvoo-vs-spmo%2Fcover.jpg&w=3840&q=75)
VOO vs SPMO: Should You Trade the S&P 500 for Its Momentum Version? [2026]
10 years of daily data on VOO vs SPMO: 520% vs 315% return, alpha 4.61%, better Sharpe, better drawdown. The surprising truth about momentum.
![If You Invested $10,000 in QQQ 10 Years Ago, Here's What You'd Have Today [2026]](/_next/image?url=%2Fimages%2Finsights%2Fportfolio-comparison%2F10000-dollars-invested-qqq-10-years%2Fcover.jpg&w=3840&q=75)
If You Invested $10,000 in QQQ 10 Years Ago, Here's What You'd Have Today [2026]
A daily-data backtest of $10,000 invested in QQQ from May 2016 to May 2026. The final number, the brutal 2022, and what the ride actually looked like.
![What Is Factor Investing? A Practical Guide with 12 Years of Real Data [2026]](/_next/image?url=%2Fimages%2Finsights%2Fbest-practices%2Fwhat-is-factor-investing%2Fcover.jpg&w=3840&q=75)
What Is Factor Investing? A Practical Guide with 12 Years of Real Data [2026]
Factor investing promises higher returns or lower risk. 12 years of backtest data on MTUM, VTV, USMV, and QUAL reveal what actually works.
![What Is Portfolio Diversification? (And How to Measure If You Actually Have It) [2026]](/_next/image?url=%2Fimages%2Finsights%2Frisk-diversification%2Fwhat-is-portfolio-diversification%2Fcover.jpg&w=3840&q=75)
What Is Portfolio Diversification? (And How to Measure If You Actually Have It) [2026]
Most investors think diversification means owning more ETFs. The data tells a different story, and it's measurable. Here's how to check yours.
![If You Invested $10,000 in VOO 10 Years Ago, Here's What You'd Have Today [2026]](/_next/image?url=%2Fimages%2Finsights%2Fportfolio-comparison%2F10000-dollars-invested-voo-10-years%2Fcover.jpg&w=3840&q=75)
If You Invested $10,000 in VOO 10 Years Ago, Here's What You'd Have Today [2026]
A daily-data backtest of $10,000 invested in VOO from April 2016 to April 2026. The final number, the worst year, the best year, and what the path actually looked like.
![60/40 vs 80/20 vs 90/10: VOO/BND Backtest Results (15 Years) [2026]](/_next/image?url=%2Fimages%2Finsights%2Fportfolio-comparison%2Fvoo-bnd-60-40-vs-80-20-vs-90-10-backtest%2Fcover.jpg&w=3840&q=75)
60/40 vs 80/20 vs 90/10: VOO/BND Backtest Results (15 Years) [2026]
We backtested 60/40, 80/20, and 90/10 VOO/BND allocations over 15 years of daily data. See the real returns, drawdowns, and why 60/40 won on risk-adjusted metrics.
![VOO vs QQQ: Which Should You Buy? [2026 Data + Overlap Analysis]](/_next/image?url=%2Fimages%2Finsights%2Fportfolio-comparison%2Fvoo-vs-qqq%2Fcover.jpg&w=3840&q=75)
VOO vs QQQ: Which Should You Buy? [2026 Data + Overlap Analysis]
VOO vs QQQ compared with 15 years of daily data. Returns, risk metrics, holdings overlap (94.8%), sector breakdown, and a practical framework for choosing.
![SPY vs VOO vs IVV: Which S&P 500 ETF Should You Pick? [2026]](/_next/image?url=%2Fimages%2Finsights%2Fportfolio-comparison%2Fspy-vs-voo-vs-ivv%2Fcover.jpg&w=3840&q=75)
SPY vs VOO vs IVV: Which S&P 500 ETF Should You Pick? [2026]
We backtested SPY, VOO, and IVV over 15 years with daily data. The performance difference is tiny — here's what should actually drive your decision.
![How to Tell If a Stock Is Overvalued or Undervalued: A Framework with Real Examples [2026]](/_next/image?url=%2Fimages%2Finsights%2Fstock-analysis%2Fhow-to-tell-if-stock-overvalued-undervalued-framework%2Fcover.jpg&w=3840&q=75)
How to Tell If a Stock Is Overvalued or Undervalued: A Framework with Real Examples [2026]
A single P/E ratio can't tell you if a stock is cheap or expensive. A 4-layer valuation framework, applied to Adobe and NVIDIA, shows why.
![How Often Should You Rebalance Your Portfolio? A 14-Year Backtest of 4 Strategies [2026]](/_next/image?url=%2Fimages%2Finsights%2Frebalancing-allocation%2Fhow-often-should-you-rebalance-portfolio-backtest%2Fcover.jpg&w=3840&q=75)
How Often Should You Rebalance Your Portfolio? A 14-Year Backtest of 4 Strategies [2026]
Monthly, quarterly, semi-annual, or annual? 14 years of daily-data backtests show one clear loser, and three frequencies that tied on every metric.
![Backtesting a Portfolio: 6 Common Mistakes and How to Avoid Them [2026]](/_next/image?url=%2Fimages%2Finsights%2Fbest-practices%2Fcommon-backtesting-mistakes-how-to-avoid-them%2Fcover.jpg&w=3840&q=75)
Backtesting a Portfolio: 6 Common Mistakes and How to Avoid Them [2026]
Most backtests mislead, not because the math is wrong but because of how they're set up. Six common mistakes, with real examples and fixes.
![Daily vs Monthly Data in Backtesting — Does It Matter? [2026]](/_next/image?url=%2Fimages%2Finsights%2Fbacktesting-strategy%2Fdaily-vs-monthly-data-backtesting%2Fcover.jpg&w=3840&q=75)
Daily vs Monthly Data in Backtesting — Does It Matter? [2026]
Daily and monthly backtesting data produce similar returns but dramatically different risk metrics. We show exactly how much max drawdown, volatility, and Sharpe ratio change with real examples — and why it matters for your portfolio decisions.
![Does Rebalancing Actually Improve Returns? We Tested the All Weather Portfolio Over 16 Years [2026]](/_next/image?url=%2Fimages%2Finsights%2Fbacktesting-strategy%2Fdoes-rebalancing-improve-returns-all-weather-portfolio-backtest%2Fcover.jpg&w=3840&q=75)
Does Rebalancing Actually Improve Returns? We Tested the All Weather Portfolio Over 16 Years [2026]
We ran two backtests on Ray Dalio's All Weather Portfolio — one with annual rebalancing, one without. The rebalanced version returned less. But the full picture tells a different story. Here's what 4,023 daily data points reveal about what rebalancing actually does.
![How to Use Historical P/E to Tell If a Stock Is Cheap or Expensive [2026]](/_next/image?url=%2Fimages%2Finsights%2Fbest-practices%2Fhow-to-use-historical-pe-ratio-stock-valuation%2Fcover.jpg&w=3840&q=75)
How to Use Historical P/E to Tell If a Stock Is Cheap or Expensive [2026]
A single P/E ratio tells you almost nothing. Learn how to track a company's P/E over time, compare trailing vs forward P/E, and use profitability context to assess whether a stock is actually undervalued or just looks cheap.
![Bogleheads 3-Fund Portfolio vs S&P 500: A 14-Year Backtest with Real Data [2026]](/_next/image?url=%2Fimages%2Finsights%2Fbacktesting-strategy%2Fbogleheads-3-fund-portfolio-vs-sp500-backtest%2Fcover.jpg&w=3840&q=75)
Bogleheads 3-Fund Portfolio vs S&P 500: A 14-Year Backtest with Real Data [2026]
We backtested the Bogleheads 3-Fund Portfolio (VTI, BND, VXUS) against the S&P 500 over 14 years using daily data. See the real performance, risk metrics, correlation shifts during the 2022 crash, and an AI-powered assessment of strengths and weaknesses.
![What Is Portfolio Backtesting? A Complete Guide for DIY Investors [2026]](/_next/image?url=%2Fimages%2Finsights%2Fbacktesting-strategy%2Fwhat-is-portfolio-backtesting%2Fcover.jpg&w=3840&q=75)
What Is Portfolio Backtesting? A Complete Guide for DIY Investors [2026]
Portfolio backtesting lets you test an investment strategy against real historical data before risking your money. Learn how it works, what metrics to look for, its limitations, and how to run your first backtest with real examples.
![Nike Stock: Turnaround or Value Trap? What the Data Shows Before Q3 Earnings [March 2026]](/_next/image?url=%2Fimages%2Finsights%2Fstock-analysis%2Fnike-q3-2026%2Fcover.jpg&w=3840&q=75)
Nike Stock: Turnaround or Value Trap? What the Data Shows Before Q3 Earnings [March 2026]
Nike is at its lowest price in nearly a decade. Revenue is declining, margins are compressing, but a new CEO is rebuilding from the ground up. We break down the fundamentals, the turnaround strategy, and the key risks ahead of March 31 earnings.

How Many ETFs Do You Really Need? 12 Years of Data Have the Answer.
We tested a 6-ETF portfolio over 12 years and it returned 192.89% — beating its benchmark by 68 percentage points. Here's why fewer, smarter picks outperform bloated portfolios.
![VOO vs VTI: What's the Actual Difference? [2026 Comparison]](/_next/image?url=%2Fimages%2Finsights%2Fportfolio-comparison%2Fvoo-vs-vti%2Fcover2.jpg&w=3840&q=75)
VOO vs VTI: What's the Actual Difference? [2026 Comparison]
A data-driven breakdown of VOO vs VTI with 15 years of daily performance data. Holdings, sector overlap, risk metrics, and when one actually makes more sense than the other.
![Core + Satellite Portfolio Strategy: How to Build a Portfolio That Grows AND Protects Your Money [2026]](/_next/image?url=%2Fimages%2Finsights%2Fbest-practices%2Fcore-satellite-portfolio-strategy%2Fcover2.jpg&w=3840&q=75)
Core + Satellite Portfolio Strategy: How to Build a Portfolio That Grows AND Protects Your Money [2026]
Learn how the core + satellite strategy helps retail investors balance stability and growth. Includes real backtest data comparing a diversified ETF core vs. a high-growth satellite portfolio.
![Is Adobe the Most Undervalued Tech Stock Right Now? A Data-Driven Analysis [March 2026]](/_next/image?url=%2Fimages%2Finsights%2Fstock-analysis%2Fadobe-q1-2026%2Fcover.png&w=3840&q=75)
Is Adobe the Most Undervalued Tech Stock Right Now? A Data-Driven Analysis [March 2026]
Adobe is down 35% with record profits and its cheapest P/E in a decade. We break down valuation, margins, cash flow, AI risks, and what to watch at the March 12 earnings — all powered by Awalyt's fundamental analysis.

How to Build a Core ETF Portfolio: A 5-Step Framework
A data-driven, step-by-step guide to building a core ETF portfolio that matches your risk profile. Includes ETF analysis, correlation checks, backtesting, and the discipline most investors skip.

Best Portfolio Backtesting Tools in 2026: Which One Gets the Data Right?
Portfolio Visualizer, Testfol.io, PortfolioMetrics, and Awalyt compared. Which tools use daily data, which use monthly, and why it matters for risk.

SCHD vs VYM vs VIG: 14-Year Backtest — Which Dividend Strategy Actually Wins?
SCHD, VYM, and VIG compared with 14 years of daily-data backtests. One leads on alpha, one on yield, one on volatility. See which wins on what.

How 15% Gold Turned an Aggressive Tech Portfolio into a Market-Beating Strategy
A portfolio of QQQ, VGT, SOXX, VTI, and 15% GLD returned +828% vs SPY's +545% over 14 years. We analyze why gold — the most boring asset — made the riskiest bet work better, with daily data, correlation matrices, and AI-powered analysis.
![SCHD vs DGRO vs VYM vs HDV vs SPYD: 10-Year Backtest [2026]](/_next/image?url=%2Fimages%2Finsights%2Fportfolio-comparison%2Fdividend-etf-backtest-10-years%2Fcover.png&w=3840&q=75)
SCHD vs DGRO vs VYM vs HDV vs SPYD: 10-Year Backtest [2026]
SCHD, DGRO, VYM, HDV, and SPYD compared over 10 years of daily data. The highest-yielding ETF had the lowest total return. See the numbers.

ChatGPT vs. Reality: We Backtested 3 AI Portfolios for 10 Years
We asked ChatGPT for 3 perfect ETF portfolios and backtested them on Awalyt. Discover which AI strategy actually survived the 2022 market crash.
60/40 vs 70/30 vs 80/20: VTI/VXUS Backtest Results (14 Years)
We backtested 60/40, 70/30, and 80/20 VTI/VXUS allocations over 14 years. See the actual returns, drawdowns, and what the data says about US vs International diversification.
Does Gold Improve Portfolio Returns? [Backtest]
Backtested portfolios with and without gold over 15 years. 20% gold reduced max drawdown by 18% while maintaining returns. See the data.
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