Buffett Radar Blog

Original research, model backtests, and deep-dive analysis from our daily S&P 500 value screen. We publish what we find so you can see exactly how Buffett-style scoring works in practice.

Free Sample: S&P 500 Value Screen — April 2026

See exactly what our Pro subscribers receive every Friday. This unredacted sample includes the top 10 highest-scoring stocks, full Buffett Score breakdowns, intrinsic value estimates, and margin-of-safety calculations for the week of April 21.

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How We Scored GOOGL at 87 in November 2022 — A Full Backtest Walkthrough

When Alphabet traded at $88 in late 2022, our model flagged it as a Strong Buy with an 87 Buffett Score. We reconstruct the analysis with the exact financials available at the time and trace the position through its 140% gain to show how each of the six criteria contributed to the signal.

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The 5 S&P 500 Sectors Where Value Is Hiding in 2026

After screening 500 stocks daily for a full quarter, clear sector-level patterns have emerged. We break down average Buffett Scores by GICS sector and identify the five corners of the market where fundamentals are strongest relative to price — including two sectors most screeners overlook entirely.

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What Happens When a Stock's Buffett Score Drops Below 35

Our model labels anything below 35 as "Sell." We analysed 18 months of historical scores to find out what actually happens to those stocks over the following 6 and 12 months. The results show the score threshold is not arbitrary — low-scoring names underperform the index by a statistically significant margin.

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Intrinsic Value in Practice: Calculating Apple's Worth Step by Step

We walk through our two-stage DCF model using Apple's latest 10-K as the input. Every assumption is shown — free cash flow projections, terminal growth rate, discount rate — so you can reproduce the calculation yourself and see exactly where our $214 intrinsic value estimate comes from.

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Why Most Stock Screeners Get Margin of Safety Wrong

Margin of safety is supposed to protect you from estimation error, yet most screeners calculate it using a single-point DCF with no sensitivity analysis. We compare three common approaches, show why the naive method systematically overstates safety, and explain the dual-discount method we use instead.

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Debt-to-Equity Ratio: The Silent Killer of Portfolio Returns

High leverage can inflate ROE and make a mediocre business look exceptional. We analysed every S&P 500 constituent's debt-to-equity ratio against subsequent 3-year total returns and found a clear inflection point above which higher leverage consistently destroys shareholder value.

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