Avoid the stress of overpaying for a stock or missing an opportunity by using the right tools and insights to evaluate Research Frontiers Incorporated before investing.

In this article, we go over a few key elements for understanding Research Frontiers Incorporated’s stock price such as:

• Research Frontiers Incorporated’s current stock price and volume
• Why Research Frontiers Incorporated’s stock price changed recently
• Upgrades and downgrades for REFR from analysts
• REFR’s stock price momentum as measured by its relative strength

About Research Frontiers Incorporated (REFR)

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

Research Frontiers Incorporated, together with other subsidiary, engages in the development and marketing of technology and devices to control the flow of light worldwide. It develops and licenses suspended particle device (SPD-Smart) light-control technology to companies that manufacture and market the SPD-Smart chemical emulsion, light-control film made from the chemical emulsion, the light-control panels made by laminating the film, and electronics to power end-products incorporating the film, as well as lamination services for and the end-products, such as windows, skylights, and sunroofs. The company’s SPD-Smart light-control technology is used in various product applications, including windows, sunshades, skylights, and interior partitions for homes and buildings; automotive windows, sunroofs, sun-visors, sunshades, rear-view mirrors, instrument panels, heads up displays and navigation systems; aircraft windows; museum display panels, and eyewear products; and flat panel displays for electronic products. It serves architectural, automotive, marine, and aerospace and appliance applications. The company was incorporated in 1965 and is headquartered in Woodbury, New York.

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Research Frontiers Incorporated’s Stock Price as of Market Close

As of September 03, 2026, 3:59 PM, CST, Research Frontiers Incorporated’s stock price was $0.410.

Research Frontiers Incorporated is up 1.96% from its previous closing price of $0.402.

During the last market session, Research Frontiers Incorporated’s stock traded between $0.400 and $0.430. Currently, there are approximately 34.87 million shares outstanding for Research Frontiers Incorporated.

Research Frontiers Incorporated’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.

Research Frontiers Incorporated Stock Price History

Research Frontiers Incorporated’s (REFR) price is currently down 12.2% so far this month.

During the month of September, Research Frontiers Incorporated’s stock price has reached a high of $0.470 and a low of $0.400.

Over the last year, Research Frontiers Incorporated has hit prices as high as $2.700 and as low as $0.350. Year to date, Research Frontiers Incorporated’s stock is down 68.69%.

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What Caused Research Frontiers Incorporated 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 September 02, 2026, there were analysts who downgraded Research Frontiers Incorporated’s stock and analysts who upgraded over the last month.

Additionally, you'll want to evaluate Research Frontiers Incorporated’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 Research Frontiers Incorporated’s valuation and financial health. This approach mitigates the limitations of single-metric evaluations.

Research Frontiers Incorporated’s current valuation based on AAII’s Value Grade is a F, which means it is considered to be Ultra Expensive.

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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 Research Frontiers Incorporated (REFR) by visiting AAII Stock Evaluator.

Relative Price Strength of Research Frontiers Incorporated

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 September 02, 2026, Research Frontiers Incorporated has a weighted four-quarter relative price strength of -29.70%, which translates to a Momentum Score of 7 and is considered to be Very Weak.

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Research Frontiers Incorporated Stock Price: Bottom Line

As of September 3, 2026, Research Frontiers Incorporated’s stock price is $0.410, which is up 1.96% 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 Research Frontiers Incorporated stock prices are influenced by market supply and demand and offer just a snapshot of a company's overall health.

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