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Arny Trezzi's avatar

Wow, thank you Conor, for the kind words and the fantastic breakdown.

I am very aligned with the idea that each investor competes with its own goal. In my case, I care about improving my craft so that the "recipe" that led me to do well with Palantir and Robinhood could become quite repeatable over time.

Sharing a public track record is my way of sharing this path against myself.

"Suppose he sold everything, allocated 100% to cash, and did nothing for a decade1. The CAGR would be 17% (before inflation)— a 700 bps surplus to the lifetime CAGR (10%) of the SPDR S&P 500 ETF, SPY."

I confess I thought of this...!

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Matt Newell's avatar

"To repeat the above comment once more highlights the bliss of being an individual. None of that shit really matters to an individual."

I sorta disagree with this.

For the most part, those metrics are supposed to reflect the risk that was taken in achieving the return achieved. I don't subscribe to their methods, for the most part - such as measuring the risk by the volatility - but I agree with their notion. Risk is the idea that more things could have happened than did happen.

I think the distinction as to whether such metrics (or the less tangible thing that they are trying to represent) matter is not so much between the individual and the institution as it is between hindsight and the future. An institution cares about those things because it must now reuse (to some degree) the strategy that produced those returns - and while those returns are known, the future ones are not. The individual has the freedom not to care because he may now, as you say, stick his cash in a savings account and go drink cocktails on the beach.

But if an individual goes to a casino and wins it big, are the risk-adjusted metrics of any relevance to him? In terms of whether such a move was a "good choice" - yes.

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