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SanDisk (SNDK): Reassessing Valuation After a 500% Year-to-Date Share Price Surge

Simply Wall St · 2d ago

Sandisk (SNDK) has been on a wild ride lately, with the stock slipping about 3% in the past day but still sitting on a strong gain over the past 3 months.

See our latest analysis for Sandisk.

Zooming out, Sandisk’s latest $219.46 share price comes after a sharp run, with its year to date share price return above 500% and a powerful 90 day share price return near 200%, signaling strong momentum as investors reassess its growth and risk profile.

If Sandisk’s surge has your attention, it could be a good moment to explore other high growth tech and AI names using high growth tech and AI stocks.

With shares still trading at a hefty discount to analyst targets despite eye catching gains, investors now face a crucial question: is Sandisk still undervalued, or is the market already pricing in all that future growth?

Price-to-Sales of 4.1x: Is it justified?

On a price-to-sales basis, Sandisk trades around 4.1 times revenue, a premium level that suggests investors are paying up for future growth versus today’s fundamentals.

The price-to-sales multiple compares the company’s market value to the revenue it currently generates, a common yardstick for high growth, often unprofitable, tech and semiconductor names where earnings are still negative or volatile.

In Sandisk’s case, the market is assigning a richer valuation than several benchmarks, implying strong confidence that forecast revenue and earnings growth will materialise, even though the company is currently loss making and has yet to prove a sustained path to profitability.

That optimism looks stretched when set against peers and the estimated fair ratio, with Sandisk’s 4.1 times sales sitting above both the US Tech industry average of 1.6 times and the SWS fair price-to-sales estimate of 3.4 times, a level the market could eventually gravitate toward if expectations cool.

Explore the SWS fair ratio for Sandisk

Result: Price-to-Sales of 4.1x (OVERVALUED)

However, Sandisk still faces key risks, including persistent losses despite rapid revenue growth and the possibility that tech sentiment or analyst expectations could reverse sharply.

Find out about the key risks to this Sandisk narrative.

Another View: DCF Points to Deep Undervaluation

While the 4.1 times sales tag looks rich versus peers, our DCF model paints a very different picture. It suggests Sandisk is trading about 52.6% below its fair value of $463.24 and raises the question of whether the market is underestimating its long term cash generation.

Look into how the SWS DCF model arrives at its fair value.

SNDK Discounted Cash Flow as at Dec 2025
SNDK Discounted Cash Flow as at Dec 2025

Simply Wall St performs a discounted cash flow (DCF) on every stock in the world every day (check out Sandisk for example). We show the entire calculation in full. You can track the result in your watchlist or portfolio and be alerted when this changes, or use our stock screener to discover 903 undervalued stocks based on their cash flows. If you save a screener we even alert you when new companies match - so you never miss a potential opportunity.

Build Your Own Sandisk Narrative

If you see things differently or want to dig into the numbers yourself, you can build a personalised view in just minutes: Do it your way.

A great starting point for your Sandisk research is our analysis highlighting 2 key rewards and 1 important warning sign that could impact your investment decision.

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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.