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Palantir vs. RTX: Which Defense Stock Deserves Your Money Until 2030?

October 27, 2026 · by alexmoreno

Two totally different ways to bet on the same thing — rising global defense spending. Palantir, the AI software company that governments actually pay for. And RTX, the defense giant that’s been building missiles, radars, and aircraft systems since before your grandparents were born.

Same theme. Completely different investments.

And that’s exactly why this comparison is worth unpacking, because “which defense stock should I buy” is really asking “what kind of investor am I trying to be?”

Let’s break it down. 👀

## First, why does anyone care about defense stocks right now?

Defense budgets around the world are going up. Conflicts in Eastern Europe and the Middle East, tensions around Taiwan, and NATO countries committing more of their GDP to military spending have all pushed governments to sign bigger checks. When governments commit to multi-year spending programs, that’s about as close to predictable revenue as exists in public markets.

That’s the thesis in one sentence: more global tension means more defense budgets, which means more revenue for companies that sell defense stuff.

But “defense stuff” covers a huge range. And that’s where Palantir and RTX stop being comparable.

## Palantir: the software play

Palantir’s software helps defense and intelligence agencies make sense of massive amounts of data — think of it as the operating system for complicated military and government decision-making. Governments use it, and Palantir has been pushing hard into commercial AI as well.

Here’s the core of the Palantir story: if you believe AI is going to reshape how militaries and large organizations operate, Palantir is one of the few companies with an established, paid, government-grade product in that space. It’s not a slide deck and a promise. Real agencies run real missions on it.

That’s genuinely rare, and the market knows it. Which brings us to the problem.

**Great stories attract great valuations.** Valuation is just the price you pay for a dollar of the company’s earnings or sales. A P/E ratio — price divided by earnings per share — tells you how many years of current profits you’re paying for. When a stock has a very high P/E, investors are effectively saying: “I believe growth will be enormous, and I’ll pay for it today.”

Palantir has spent much of its run as a public company trading at valuations that assume years of exceptional execution. The company keeps delivering strong revenue growth — but that creates a high-pressure situation where anything less than excellent gets punished fast. When expectations are that high, they’re already baked into the price. A stock can be attached to a great company and still be a bad purchase at the wrong price. Those are two different questions:

1. Is Palantir a good business?
2. Is Palantir stock a good deal right now?

You can answer “yes” to the first and honestly say “that’s complicated” to the second.

There’s also a behavioral thing worth naming here. Palantir has been a retail favorite — all over Reddit, TikTok, YouTube thumbnails. A stock being everywhere on your feed is not the same thing as doing research. 📱 It just means a lot of people own it, and a lot of those people bought because everyone else was buying. That doesn’t make the business bad. It makes the stock more sensitive to sentiment swings, because a chunk of the shareholder base has no thesis beyond the green candles.

## RTX: the industrial play

RTX is the company formerly known as Raytheon Technologies, formed from the merger of Raytheon and United Technologies. It builds missiles, air defense systems, radars, and — through Collins Aerospace and Pratt & Whitney — a huge amount of commercial aerospace equipment like jet engines.

Here’s what RTX offers that Palantir doesn’t: boring, tangible, contracted cash flows. Missile restocking after years of Western stockpile drawdowns, multi-year government contracts, plus a commercial aviation business that benefits as airlines keep flying. It’s the “sell shovels during a gold rush, except the shovels are Patriot missiles” business model.

The trade-off: it’s not going to double for you in a year. Defense primes like RTX grow steadily, carry big