alt Hacker NewsI’ve moved my S&P 500 investments to the Equal Weight index to reduce my exposure to AI. Quite aside from SpaceX, I think the large-cap tech companies are making some uncomfortably large bets on AI and any major upset could cause a domino effect.
But as so many ETFs have a significant stake in large-cap US tech stocks (the top 10 holdings of the iShares MSCI World ETF is entirely comprised US Big Tech, making up 20% of the value of the ETF), I found S&P 500 Equal Weight to be pretty attractive.
As for SpaceX itself? I feel the numbers involved all sound a bit unbelievable to me. I fear that there will be a rug-pull sometime post-IPO, and retail investors (and taxpayers, if the US Government ends up taking a stake, as they have recently indicated they might do for OpenAI) will inevitably be left holding the bag.
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> As for SpaceX itself? I feel the numbers involved all sound a bit unbelievable to me.
If the SEC was doing it's job, there would sanctions or jail time for those numbers.
I've been doing research on this subject for an article I'm writing, and the only way things end well if the government gets involved is if we pass legislation deprivatizing AI data centers. Like the dark fiber laid during the dotcom, the compute is the valuable thing here that will remain after the speculative bubble has burst. The deal isn't bad for the AI companies, they can depreciate on a short schedule while still getting a payout for the capex, and being able to offer tech companies compute subsidies puts the people in a stronger position than if we're subsidizing them directly.
> I found S&P 500 Equal Weight to be pretty attractive.
The rebalancing required to maintain equal weights means constantly selling your winners and buying more of your losers. That creates volatility drag. Stock returns are highly skewed: only about 4% of stocks outperform the market, and are responsible for most of its gains. By keeping your allocation to those stocks small through constant rebalancing, you are missing out on a large part of their gains. The vast majority of stocks underperform.
Maintaining the equal weighting also requires constant trading, which generally means higher fees. A market weighted fund, in contrast, naturally maintains its desired balance in response to price movements, without any trading.
Also, the equal weighting ignores the amount of outstanding float for each company. If the fact that NASDAQ has not (historically) been float-adjusted (a common anti-SpaceX talking point) gave you concern, this is even worse, due to the multiple orders of magnitude difference between the largest and smallest companies in the S&P. If enough money enters the equal-weight index, this can spark large amounts of buying in (relatively) small companies that is divorced from their economic performance.
The equal-weight index has outperformed the market-weighted index in some periods (not in recent memory), but with higher volatility (so worse risk-adjusted returns). That outperformance can mostly be explained by factor tilts implicit in the equal weighting (e.g., a higher allocation to mid-cap value stocks).
You would probably be better off with a mix of market-weighted funds explicitly designed to give you the factor tilts and risk exposure you want.