Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate Canadian Solar Inc. before investing.

In this article, we go over a few key elements for understanding Canadian Solar Inc.’s stock price such as:

• Canadian Solar Inc.’s current stock price and volume
• Why Canadian Solar Inc.’s stock price changed recently
• Upgrades and downgrades for CSIQ from analysts
• CSIQ’s stock price momentum as measured by its relative strength

About Canadian Solar Inc. (CSIQ)

Before we jump into Canadian Solar Inc.’s stock price, history, target price and what caused it to recently rise, let’s take a look at some background.

Canadian Solar Inc., together with its subsidiaries, provides solar energy and battery energy storage products and solutions in Asia, the United States, Europe, and internationally. It operates through two segments, Manufacturing and Recurrent Energy. The Manufacturing Segment focuses on manufacturing and selling solar, battery energy storage and other power technology products, and CSI Solar. It also offers standard solar modules, battery storage solutions, solar system kits, such as inverters, racking systems, and other accessories; power electronic products; and engineering, procurement, and construction services, as well as operates battery energy storage projects. The Recurrent Energy Segment develops, builds, sells, and operates solar power and battery energy storage projects; operates solar power plants; and sells electricity and other services. This segment also provides power operation and maintenance services, including monitor, inspects, repair, and replace of plant equipment, and site management and administrative support services for solar projects, as well as asset management services. The company offers power plant level, commercial, household products, inverter, photovoltaic modules; and sells electricity and smart energy. It serves distributors, system integrators, project developers, installers, and EPC companies, as well as caters to utility companies, public utilities, licensed suppliers, corporate offtakers, and commercial, industrial, or government end users primarily under its Canadian Solar brand name. The company sells its products under CSI, CS PowerTech, CSI Solar, Recurrent Energy, e-STORAGE, SolBank, KuBank, and EP Cube brand names. Canadian Solar Inc. was incorporated in 2001 and is based in Kitchener, Canada.

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Canadian Solar Inc.’s Stock Price as of Market Close

As of May 21, 2026, 2:16 PM, CST, Canadian Solar Inc.’s stock price was $17.720.

Canadian Solar Inc. is up 6.39% from its previous closing price of $16.655.

During the last market session, Canadian Solar Inc.’s stock traded between $16.250 and $18.230. Currently, there are approximately 67.71 million shares outstanding for Canadian Solar Inc..

Canadian Solar Inc.’s trailing earnings per share are negative, so the stock does not have a meaningful P/E ratio. We suggest investors evaluate other financial metrics to understand its overall valuation.

Canadian Solar Inc. Stock Price History

Canadian Solar Inc.’s (CSIQ) price is currently up 15.89% so far this month.

During the month of May, Canadian Solar Inc.’s stock price has reached a high of $20.850 and a low of $15.000.

Over the last year, Canadian Solar Inc. has hit prices as high as $34.590 and as low as $9.410. Year to date, Canadian Solar Inc.’s stock is down 25.45%.

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What Caused Canadian Solar Inc. Stock’s Price to Rise?

Stock prices are primarily based on seller supply and buyer demand. But have you ever wondered about what other factors affect a stock's price?

When an analyst changes their opinion of a stock by upgrading or downgrading their rating, it often leads to a sudden stock price adjustment. As of May 20, 2026, there were 2 analysts who downgraded Canadian Solar Inc.’s stock and 0 analysts who upgraded over the last month.

Additionally, you'll want to evaluate Canadian Solar Inc.’s financial health and valuation. Investors can use AAII's Value Grade, which combines six key valuation metrics like P/E and P/S ratios for a comprehensive analysis to conduct analysis on Canadian Solar Inc.’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

Canadian Solar Inc.’s current valuation based on AAII’s Value Grade is a A, which means it is considered to be Deep Value.

Learn how to evaluate stocks with AAII Grades and Scores with A+ Investor today.

Lastly, news and media coverage as well as recent press reports about the company or its industry may cause stock prices to fluctuate. You can check out the most recent news articles about Canadian Solar Inc. (CSIQ) by visiting AAII Stock Evaluator.

Relative Price Strength of Canadian Solar Inc.

Relative price strength measures a stock's performance against the market, helping investors identify stocks that are outperforming benchmarks.

For AAII’s Momentum Grade, a weighted relative price strength is calculated. Follow this link to learn more about the Momentum Grade.

As of May 20, 2026, Canadian Solar Inc. has a weighted four-quarter relative price strength of 7.16%, which translates to a Momentum Score of 78 and is considered to be Strong.

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Canadian Solar Inc. Stock Price: Bottom Line

As of May 21, 2026, Canadian Solar Inc.’s stock price is $17.720, which is up 6.39% from its previous closing price.

AAII advises against making stock decisions based solely on price or past returns. Instead, consider a variety of metrics, fundamentals, and analytics to evaluate a stock like Canadian Solar Inc. stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

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