{"schemaVersion":1,"path":"/research/widgets","canonicalUrl":"https://grizzlybulls.com/research/widgets","publishedAt":"2026-09-21","licenseUrl":"https://grizzlybulls.com/legal/data-license","downloads":{"json":"https://grizzlybulls.com/research-data/grizzly-bulls-research-widgets.json","csv":"https://grizzlybulls.com/research-data/grizzly-bulls-research-widgets.csv"},"widgets":[{"widgetId":"sp500-concentration-history","kind":"figure","title":"S&P 500 top-10 concentration at seven decade endpoints","description":"Embed the seven reproducible S&P 500 top-10 concentration decade endpoints from 1965 through 2025.","canonicalUrl":"https://grizzlybulls.com/research/widgets/sp500-concentration-history","embedUrl":"https://grizzlybulls.com/embed/research/sp500-concentration-history?theme=auto","dataAsOf":"2025-06-30","recommendedHeight":520,"study":{"slug":"historical-sp500-concentration","path":"/research/historical-sp500-concentration","canonicalUrl":"https://grizzlybulls.com/research/historical-sp500-concentration","title":"S&P 500 Concentration History: How the Top 10 Changed From 1965 to 2025"},"keyStat":{"value":"38.15%","label":"top-10 index weight","detail":"June 2025, versus 38.24% in June 1965."},"embedHtml":"<iframe src=\"https://grizzlybulls.com/embed/research/sp500-concentration-history?theme=auto\" title=\"S&amp;P 500 top-10 concentration at seven decade endpoints\" loading=\"lazy\" referrerpolicy=\"strict-origin-when-cross-origin\" style=\"width:100%;height:520px;border:0;overflow:hidden\"></iframe>"},{"widgetId":"sp500-earnings-concentration","kind":"figure","title":"Top-10 share of S&P 500 market cap and trailing earnings","description":"Embed the top-10 share of S&P 500 market capitalization versus trailing earnings for March 2024 and March 2026.","canonicalUrl":"https://grizzlybulls.com/research/widgets/sp500-earnings-concentration","embedUrl":"https://grizzlybulls.com/embed/research/sp500-earnings-concentration?theme=auto","dataAsOf":"2026-03-31","recommendedHeight":520,"study":{"slug":"sp500-earnings-concentration","path":"/research/sp500-earnings-concentration","canonicalUrl":"https://grizzlybulls.com/research/sp500-earnings-concentration","title":"S&P 500 Earnings Concentration: Are the Top 10 Backed by Profits?"},"keyStat":{"value":"4.7 pp","label":"market-cap minus earnings gap","detail":"March 2026: 37.9% of market cap versus 33.2% of trailing earnings."},"embedHtml":"<iframe src=\"https://grizzlybulls.com/embed/research/sp500-earnings-concentration?theme=auto\" title=\"Top-10 share of S&amp;P 500 market cap and trailing earnings\" loading=\"lazy\" referrerpolicy=\"strict-origin-when-cross-origin\" style=\"width:100%;height:520px;border:0;overflow:hidden\"></iframe>"},{"widgetId":"sp500-valuation-concentration","kind":"figure","title":"Forward P/E by S&P 500 cohort","description":"Embed the top-10, remaining-company, and full-index forward-P/E comparison for March 2024 and June 2026.","canonicalUrl":"https://grizzlybulls.com/research/widgets/sp500-valuation-concentration","embedUrl":"https://grizzlybulls.com/embed/research/sp500-valuation-concentration?theme=auto","dataAsOf":"2026-06-30","recommendedHeight":520,"study":{"slug":"sp500-valuation-concentration","path":"/research/sp500-valuation-concentration","canonicalUrl":"https://grizzlybulls.com/research/sp500-valuation-concentration","title":"S&P 500 Valuation Concentration: What Does the Index Cost Without the Top 10?"},"keyStat":{"value":"2.0x","label":"top-10 forward-P/E spread","detail":"June 2026: 21.6x for the top 10 versus 19.6x for the remaining companies."},"embedHtml":"<iframe src=\"https://grizzlybulls.com/embed/research/sp500-valuation-concentration?theme=auto\" title=\"Forward P/E by S&amp;P 500 cohort\" loading=\"lazy\" referrerpolicy=\"strict-origin-when-cross-origin\" style=\"width:100%;height:520px;border:0;overflow:hidden\"></iframe>"},{"widgetId":"sp500-concentration-forward-returns","kind":"figure","title":"Starting top-10 concentration vs. subsequent 10-year S&P 500 price return","description":"Embed the six historical starting-concentration observations and their subsequent 10-year annualized S&P 500 price returns.","canonicalUrl":"https://grizzlybulls.com/research/widgets/sp500-concentration-forward-returns","embedUrl":"https://grizzlybulls.com/embed/research/sp500-concentration-forward-returns?theme=auto","dataAsOf":"2025-06-30","recommendedHeight":520,"study":{"slug":"sp500-concentration-forward-returns","path":"/research/sp500-concentration-forward-returns","canonicalUrl":"https://grizzlybulls.com/research/sp500-concentration-forward-returns","title":"S&P 500 Concentration and Forward Returns: Does a Top-Heavy Market Predict the Next Decade?"},"keyStat":{"value":"-0.04","label":"correlation excluding June 1965","detail":"The full six-observation sample is -0.72, showing the relationship is highly sensitive to one starting point."},"embedHtml":"<iframe src=\"https://grizzlybulls.com/embed/research/sp500-concentration-forward-returns?theme=auto\" title=\"Starting top-10 concentration vs. subsequent 10-year S&amp;P 500 price return\" loading=\"lazy\" referrerpolicy=\"strict-origin-when-cross-origin\" style=\"width:100%;height:520px;border:0;overflow:hidden\"></iframe>"},{"widgetId":"sp500-concentration-series-snapshot","kind":"series-snapshot","title":"S&P 500 concentration research snapshot","description":"A compact four-part view of top-10 index weight, earnings support, valuation spread, and forward-return sensitivity.","canonicalUrl":"https://grizzlybulls.com/research/widgets/sp500-concentration-series-snapshot","embedUrl":"https://grizzlybulls.com/embed/research/sp500-concentration-series-snapshot?theme=auto","dataAsOf":"2026-06-30","recommendedHeight":390,"study":{"slug":"sp500-concentration-series","path":"/research/sp500-concentration-series","canonicalUrl":"https://grizzlybulls.com/research/sp500-concentration-series","title":"S&P 500 Concentration Research Series: Weight, Earnings, Valuation, and Forward Returns"},"keyStat":{"value":"4 dimensions","label":"one concentration research series","detail":"Historical weight, earnings support, valuation, and forward-return sensitivity retain separate dates and denominators."},"embedHtml":"<iframe src=\"https://grizzlybulls.com/embed/research/sp500-concentration-series-snapshot?theme=auto\" title=\"S&amp;P 500 concentration research snapshot\" loading=\"lazy\" referrerpolicy=\"strict-origin-when-cross-origin\" style=\"width:100%;height:390px;border:0;overflow:hidden\"></iframe>"}]}