Research Frontiers Incorporated fell 13.6% on Thursday, October 29, 2026, on 126,400 shares. No headline about REFR came out that day or the day before in the news feeds we follow, so the move may come from news we don't track, the sector or trading alone.
Research Frontiers Incorporated (REFR:NASDAQ) closed at $0.385 on November 4, 2026, up 10.10% on the day. The stock trades 81.7% below its 52-week high of $2.10 and 16.6% above its 52-week low of $0.330. Over the past year, it lost 77.5%. Research Frontiers Incorporated is part of the Miscellaneous sector (Multi-Sector Companies).
In 252 trading sessions since November 4, 2025, REFR closed higher on 87 days (35%). Its best day was September 18, 2026 (+66.67%) and its worst was June 26, 2026 (-22.58%). The stock moved 10% or more in a single session 17 times. It opened at least 5% above the previous day's high 1 time.
Research Frontiers Incorporated develops and markets technology and devices to control the flow of light in the United States. The company 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, lamination services, and electronics to power end-products incorporating the film, as well as the end-products, such as windows, skylights, and sunroofs. Its 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, and navigation systems; aircraft windows; eyewear products; flat panel displays for electronic products. Research Frontiers Incorporated was founded in 1965 and is headquartered in Woodbury, New York.
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