How sector ETF lists are actually built in 2026: GICS vs ICB, issuer labels, look-through weights, inverse sector funds, and how to rebuild the
Fundamentals
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FactSet Pricing 2026: The $12K Figure, Checked
No rate card exists. We trace the $12K/year estimate to its source and show why Vendr’s per-user model matters more.
Fundamentals
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PE of S&P 500: Why the Numbers Disagree
How the S&P 500 P/E is built, why trailing, forward and Shiller versions differ, and how to compute it from constituent data.
Fundamentals
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Build the P/E Ratio S&P 500
How the S&P 500 P/E ratio is actually computed in 2026: trailing vs forward, GAAP vs operating, and how to rebuild it from constituents.
Fundamentals
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24×5 Trading: What It Breaks in Data
What 24×5 US equity trading is, where the exchange and DTCC timelines stand in 2026, and how it changes reference data pipelines.