Why Pinterest’s $4 Billion AWS Deal Matters for the Stock

Pinterest (PINS) has committed US$4b to Amazon Web Services through 2031, its largest infrastructure agreement to date, to support AI model development, faster search and shopping, and global platform modernization.

The AWS commitment lands after a volatile stretch for Pinterest, with the share price up 4.5% over the past week and 7.9% over 90 days, yet down 18.7% year to date and a 36.1% total shareholder return decline over 12 months. This suggests recent momentum is improving, but long-term holders have still faced meaningful losses.

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With Pinterest trading at US$21.59 after a year of double digit share price declines and some data points suggesting a discount to estimated value, the key question is simple: is this AI heavy AWS deal a buying opportunity, or is the market already pricing in future growth?

Most Popular Narrative: 7.8% Undervalued

At a last close of $21.59 versus a narrative fair value of $23.43, Pinterest is framed as modestly undervalued, with that gap relying heavily on execution in AI driven engagement and monetization.

Ongoing advancements in AI driven visual search and personalized content curation, supported by proprietary multimodal and generative retrieval models, are deepening user engagement and increasing session times, which should drive higher average revenue per user (ARPU) and lift both revenue and margins over time.

If you want to see what sits behind that valuation call, you will want to see how revenue, margins and the future earnings multiple are wired into this narrative. The most interesting tension is how those assumptions line up against recent share price weakness and mixed analyst sentiment.

Result: Fair Value of $23.43 (UNDERVALUED)

However, there are still clear pressure points, especially if international ad pricing stays soft or larger platforms outspend Pinterest in AI and visual commerce tools.

Another View: Earnings Multiple Paints a Tougher Picture

While the narrative fair value of $23.43 suggests Pinterest is 7.8% undervalued, the current P/E of 36.2x tells a different story. It sits above both the estimated fair ratio of 27.5x and the peer average of 30.2x, as well as the US Interactive Media and Services industry at 13.2x.

That kind of premium can signal confidence in future earnings growth, but it also leaves less room for error if margins or user monetization disappoint. The key question is whether you think Pinterest has earned that extra multiple, or whether the market is already paying up for a lot of hope.

Next Steps

With mixed signals on value and sentiment, the next move is on you. Look through the full picture of upside and downside in the 2 key rewards and 2 important warning signs

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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.