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RTX (RTX) Stock Could Be A Bargain On Future Cash Flow

Simply Wall St·09/17/2026 00:24:29
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RTX Corporation has delivered a very strong share price run over recent years, which puts a sharper spotlight on whether today's US$196.83 price is fully backed by the cash the business can produce. With investors also weighing a series of new Pratt & Whitney engine milestones and factory expansions, the question now is how those projects ultimately translate into long term cash flows.

  • RTX has returned about 180.8% over the past 3 years, so a lot of future cash generation is already being referenced by the current valuation debate.
  • Fresh engine production agreements and capacity expansions at Pratt & Whitney, including work on the F100 and F135 programs, can influence expectations for future operating cash and investment needs across the group.
  • What if you looked at RTX through its earnings instead? See why RTX's 34.3x P/E tells a different valuation story.

The issue now is whether RTX's current share price is aligned with what its Discounted Cash Flow (DCF) intrinsic value suggests about the business's future cash flows.

If RTX has already climbed significantly on engine upgrades and factory build outs, you may want to start a fresh watchlist using 33 high quality undervalued stocks.

Does RTX Look Undervalued on Cash Flow?

The Discounted Cash Flow (DCF) approach estimates what RTX might be worth today based on the cash it could generate for shareholders in the future. RTX produced about $10.63b of free cash flow over the last twelve months, and the 2 Stage Free Cash Flow to Equity model assumes those cash flows continue to grow from that base rather than shrink.

Those projections, once discounted back, imply that the cash stream supports a value meaningfully above the current $196.83 share price. The completion of Pratt & Whitney's F135 Engine Core Upgrade Risk Reduction Design Review helps explain why the model leans on ongoing, growing cash generation instead of a one off spike. To see how that gap between price and estimated cash flow value looks in full, check the detailed inputs and scenario work in the valuation section. Find out what RTX could be worth using our Discounted Cash Flow (DCF) estimate.

The RTX Narrative: What Would Justify Today's Price?

Narratives for RTX sit alongside the DCF work above and outline which paths for earnings, margins and growth would need to occur for the stock to be worth meaningfully more or less than the current share price. They are available on Simply Wall St's Community page. Each narrative links its number to a clear view on how RTX's growth, profitability and risk profile could evolve, giving you a concrete reference to revisit as new information emerges.

One of the top community narratives on RTX: 15% undervalued

"Robust and growing backlog, highlighted by a 1.86 quarter book-to-bill ratio, $236 billion backlog, and major new international contracts indicate RTX is well-positioned for sustained increases in global defense spending..."

Discover why this Narrative puts RTX at 15% undervalued.

One more side of RTX worth checking before you move on

Valuation only tells part of the RTX story, since recent research has also flagged specific concerns that investors may want to weigh carefully before getting comfortable with the stock. Take a closer look at 3 warning signs before settling on a valuation.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.