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Vivek Viswanathan - Quant Equity in China (S4E10)

Flirting with Models

CHAPTER

Walk Forward Optimization and Expected Returns

If the model doesn't think you can perform while in a market, it's not going to bullshet you. Excess return ebsar might get classified as enhanced indexing despite your expected return. You cannot maintain very high information ratios while taking high tracking air because of the zero lore bound on weights.

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