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    First Solar (FSLR) Slides Toward A 52 Week Low, Is The Stock Now Cheap?

    Simply Wall St·09/26/2026 17:21:41
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    First Solar (FSLR) has slid more than 10% toward a new 52 week low after a sharp jump in long term U.S. Treasury yields, which has raised financing costs for large solar projects and unsettled policy expectations.

    Across the past week, First Solar’s share price return fell 9.31% and the 30 day share price return declined 15.42%, extending a 90 day share price return drop of 25.67% and a year to date slide of 35.22%. However, the 5 year total shareholder return of 84.02% shows the longer term story has been far more constructive than the recent swing in sentiment.

    Spot 40 power grid technology and infrastructure stocks that could benefit if higher financing costs keep pressuring solar developers, while supporting long term demand for grid and utility scale energy infrastructure.

    First Solar now trades near its 52 week low while sitting more than 45% below one intrinsic value estimate and over 50% under the average analyst target. Is that discount justified or overly harsh?

    Most Popular Narrative: 32% Undervalued

    On the most followed narrative, First Solar’s fair value of $263 sits well above the last close at $177.71, which frames today’s weakness as a valuation gap rather than a minor wobble in sentiment.

    The bull case is simple: domestic thin-film, 45X, and DCR backlog lead to structurally higher ASPs and margins than crystalline-silicon imports, with visibility through the end of the decade.

    The bear case is also simple: if the policy stack changes (45X phase-down starts 2030, tariff regime changes, FEOC rules loosen, ITC/PTC politics), First Solar operates more like a mid-cycle manufacturer with a premium cost base.

    See why 3 investors see First Solar as 32% undervalued.

    According to andrei9868, that tension between a contracted, policy-supported backlog and future rule changes is the core driver behind the fair value estimate of $263, which implies First Solar trades at a material discount even after accounting for policy risk.

    The same narrative highlights that this view is not built on aggressive growth assumptions, since it anchors on an earnings figure that the author describes as conservative relative to management’s EBITDA guidance and uses a multiple more typical of a mature manufacturer than a high growth semiconductor stock.

    Result: Fair Value of $263 (UNDERVALUED)

    Still, that gap relies heavily on Section 45X credits and domestic content rules staying intact, while any slowdown in U.S. bookings at current pricing could quickly weaken the First Solar narrative.

    Find out about the key risks to this First Solar narrative.

    Next Steps

    If the First Solar debate still feels unresolved, move quickly to check the underlying data and rewards in detail so you can build your own stance. Start with 4 key rewards.

    Looking for more investment ideas beyond First Solar?

    If First Solar has you rethinking your watchlist, this can be a chance to broaden your opportunity set with data driven ideas before the next move happens.

    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.