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Robinhood Markets (HOOD) closed on September 5, 2025, , , . The stock is set to join the S&P 500 index on September 22, a move that has historically driven investor confidence in digital-asset-focused firms. This inclusion follows a broader trend of institutional recognition for crypto-related companies, buoyed by a more favorable regulatory climate.
The S&P 500’s decision to add
underscores its growing influence in the fintech sector. , surpassing analyst expectations, . Meanwhile, non-crypto revenue streams, including options and equities trading, showed resilience, . The company’s inclusion in the index may signal to investors that its diversified business model aligns with institutional preferences for stability amid crypto market fluctuations.Robinhood’s inclusion contrasts with the exclusion of Bitcoin-focused firm Strategy, highlighting the S&P 500 committee’s emphasis on sector alignment and governance over raw market capitalization. , its heavy
exposure may have raised concerns about volatility. Robinhood’s recent earnings performance and broader adoption of its platform as a mainstream trading tool likely reinforced its case for index inclusion.To run this back-test rigorously I need to pin down a few practical details and make sure the implementation matches your intent. 1. Market
• Do you want the “top 500” selected from all U.S.–listed equities (NYSE + NASDAQ + AMEX) or from a narrower universe (e.g., S&P 500 constituents)? • If you are interested in another market (e.g., Hong Kong, Europe), please specify. 2. Portfolio construction • Equal-weight each of the 500 names, or weight proportional to (say) dollar volume? • Rebalance every trading day at the close, then liquidate at the next day’s close (one-day holding period)—is that correct? 3. Practical assumptions • Slippage and transaction costs: apply none, or use a standard estimate? • Corporate-action handling (splits, dividends): assume total-return prices? 4. Technical limitation to note • My available back-test engine handles one ticker at a time. For multi-stock portfolios I usually create a synthetic “basket” price series that represents the equal-weighted daily P&L of the strategy, and then feed that into the engine. I can build this synthetic basket automatically once we confirm the details above. Let me know your preferences on the four items above, and I’ll generate the back-test accordingly.Hunt down the stocks with explosive trading volume.

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