| Periodo | P/S | Var. |
| 2025 | 0.39 | -72.44% |
| 2024 | 1.43 | -0.14% |
| 2023 | 1.43 | -7.95% |
| 2022 | 1.55 | -77.43% |
| 2021 | 6.88 | +288.20% |
| 2020 | 1.77 | +18.74% |
| 2019 | 1.49 | -27.27% |
| 2018 | 2.05 | +157.65% |
| 2017 | 0.80 | -59.73% |
| 2016 | 1.98 | +140.30% |
| 2015 | 0.82 | -90.89% |
| 2014 | 9.03 | -45.89% |
| 2013 | 16.69 | +3.69% |
| 2012 | 16.09 | — |
SemiLEDs Corporation is a semiconductor company that develops, manufactures, and sells light emitting diode chips, components, modules, and systems for global customers. The company focuses on ultra-high brightness LED chips, leveraging proprietary metal alloy vertical chip technology to enhance performance and lumen maintenance. SemiLEDs offers products in blue, white, green, and ultraviolet wavelengths, serving a wide range of general lighting uses, including commercial, industrial, and residential applications. Its LEDs are also used in specialty industrial and professional applications such as ultraviolet curing, medical and cosmetic light therapy, counterfeit detection, germicidal and viricidal devices, horticultural lighting, architectural illumination, and entertainment lighting. SemiLEDs supplies LED chips to packagers, distributors, original design manufacturers, and end users across markets including the United States, Taiwan, the Netherlands, Japan, and other international regions. Incorporated in 2005 and based in Chu-Nan, Taiwan, SemiLEDs plays a niche role in the LED value chain by providing high-performance chips and solutions tailored to demanding and specialized lighting environments.