Been diving deeper into Tesla's bull case lately, and honestly, the narrative has shifted way more than most people realize. Everyone talks about the cars, but the smart money is looking at something completely different.

So here's the thing: Tesla's trading around $404 a share right now (this was a couple months back), which values the company at roughly $1.3 trillion. That's already a massive number, but if you look at what the company is actually trying to build, the story gets way more interesting.

The first piece is full self-driving. Tesla just reported that FSD subscriptions hit 1.1 million paid customers, up 38% year-over-year. That's 12% of everyone who's ever bought a Tesla. As they rack up more miles on FSD, regulators will eventually get comfortable with the idea of a global robotaxi network. If Tesla captures even a fraction of that estimated $10 trillion robotaxi market, suddenly the hardware becomes just the gateway to a massive software business. Recurring revenue, high margins—that's the real play.

Then there's Optimus. Elon's been talking about this humanoid robot for years, but 2025 was supposed to be the year they actually start scaling from prototype to production. The economics here are wild if they can pull it off. Imagine a robot that costs less than paying an hourly worker, running 24/7 in factories and retail spaces worldwide. That's not just margin improvement—that's a complete restructuring of labor economics. Musk has suggested Optimus could eventually be worth multiples of Tesla's entire EV business, potentially accounting for 80% of the company's future value.

But here's what I think gets overlooked: energy storage. In 2025, that division grew 27% to $12.8 billion in revenue, and it's genuinely profitable. Q4 energy storage generated $1.1 billion in gross profit—their fifth consecutive quarter of records. The energy market alone is projected to hit $105 billion by 2030. That's a floor underneath the whole valuation, regardless of how the AI bets play out.

Now, the math: if Tesla hits $2,000 a share by 2030, we're talking about a $7.5 trillion market cap. That's roughly 400% upside from current levels. Is it possible? Technically, yes. Realistic? That's where I pump the brakes.

The problem is execution. Autonomous systems—whether in cars or robots—aren't deployed at scale by anyone yet. The technology is still mostly experimental. Tesla needs to nail machine learning, scale neural networks, and pull off something that's never been done before. That's a lot of things that need to go exactly right.

I'm not saying it can't happen, but I'd be cautious about mistaking potential for probability. The excitement around Tesla right now feels more like speculation than fundamentals. Worth watching? Absolutely. A slam-dunk AI play? Not yet.