Comment by dlenski

I'm with you on this part:

> Because the index needs accuracy. If a company is 1-2% of the total US market cap and not included in the index, then the index is wrong right now. The longer this company is not in the index, the longer this error compounds. In the coming few months, multiple giga-cap companies (SpaceX, OpenAI, Anthropic) are all planning to IPO.

I'm nodding vigorously on this part:

> These companies will likely never meet S&P profitability inclusion criteria for the next 5 years.

But here, you lose me…

> These are not bad companies, but because the S&P inclusion criteria were written for old GAAP profitable companies, and not high-growth companies that invest their cashflow into company growth over profits. Excluding some of the most civilization changing companies from the benchmark means the benchmark is doing a terrible job.

The point of investing in a total(ish) index of the public stock market is to invest in companies that have a reasonable expectation of net-positive future cash flows, justified in part by legally-mandated transparent reporting of their finances.

You can't just buy every publicly-traded stock though: for one thing, that would massively incentivize obvious scammers to do the bare minimum to get their stocks included, and drag the index down. Avoiding companies that are illiquid, non-transparent, or lacking in a clear track record is important. The SpaceX IPO bears more than a passing resemblance to a pump-and-dump scheme:

1. SpaceX's line of business* is tremendously unclear.

2. SpaceX doesn't actually need external capital to fund its operations.

3. SpaceX is floating only a tiny fraction of its putative market capitalization.

4. The main purpose of the IPO appears to be to allow insiders to cash out.

5. The way the lion's share of the IPO gets sold is if large index funds and pension-holding companies demand shares, and that only happens with the index-inclusion exceptions we're discussing here.

So, we agree that these "mega cap IPO" companies won't be profitable in the next 5 years. That's a huge period of time. How can public markets accurately value a company that isn't expected to be profitable for such a long period of time; there are so many things that could change their trajectory towards profitability, all the more so if we accept your premise that these companies are "civilization changing."

My conclusion is that it's perfectly fine, even beneficial, for indices like S&P 500 to avoid any special treatment for these companies. If SpaceX is clearly profitable 5 years from now, and has reached 50% free-float, that seems like a good time to start including it in the index.

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* Nearly all of its revenue comes from launching satellites and running a satellite-based communications network, but much of its putative valuation comes from a hastily glommed-in also-ran AI company, and its association with a person who is famous for running other businesses and for political connections.