So everyone's wondering when the market crash is actually coming. I've been watching the data lately and there's definitely something worth paying attention to here.

The AI rally has been absolutely wild. Yeah, the tech is real and companies are making money, but some of these valuations are getting ridiculous. A handful of mega-cap AI stocks are basically carrying the entire market at this point, and that's historically not a stable situation.

Here's what caught my eye: the CAPE ratio just hit near 40. For context, that's the cyclically adjusted price-to-earnings metric. Last time we saw numbers that high was right before the dot-com crash. So if history rhymes, we might actually be looking at some real volatility ahead.

Now, can we predict exactly when a crash will happen? Honestly no. Anyone who says they can predict that with certainty is lying. But that doesn't mean we shouldn't prepare. The market will correct eventually - it always does. The question is just timing and severity.

What I've been thinking about is positioning defensively. If we do see a crash driven by AI stock selloffs, not everything goes down equally. Some sectors hold up better. Healthcare, for instance, tends to be more resilient in downturns because people still need medicine regardless of market conditions.

Take Pfizer for example. The stock has been beaten down pretty hard recently. Revenue's been inconsistent, and they're about to lose patent exclusivity on some key drugs like Eliquis and Xtandi over the next couple years. On the surface that sounds bad. But here's the thing - they've got a solid pipeline in areas like oncology and weight management, they're actually deploying AI to cut costs, and earnings are holding up better than you'd expect given the revenue challenges.

Most interesting part? Pfizer is trading at 9x forward earnings while the healthcare sector averages 18.6x. That's genuinely cheap compared to the broader market. If a crash does come and it's AI-driven, I'd expect Pfizer to fall less than the mega-cap tech names. If it doesn't come, the company's fundamentals should carry it higher over time anyway.

So my take: we should all be thinking about when a correction might hit and what that means for positioning. Building a portfolio with some defensive plays alongside growth exposure is just smart risk management at this point. The crash will come eventually - whether it's 2026 or later, having some undervalued quality names in the mix gives you optionality either way.