Research Frontiers PE Ratio 2012-2026 | REFR
Current and historical p/e ratio for Research Frontiers (REFR) from 2012 to 2026. The price to earnings ratio is calculated by taking the latest closing price and dividing it by the most recent earnings per share (EPS) number. The PE ratio is a simple way to assess whether a stock is over or under valued and is the most widely used valuation measure. Research Frontiers PE ratio as of September 16, 2026 is 0.00.
| Research Frontiers PE Ratio Historical Data | |||
|---|---|---|---|
| Date | Stock Price | TTM Net EPS | PE Ratio |
| 2026-09-16 | 0.38 | 0.00 | |
| 2026-06-30 | 0.52 | $-0.07 | 0.00 |
| 2026-03-31 | 0.92 | $-0.07 | 0.00 |
| 2025-12-31 | 1.31 | $-0.06 | 0.00 |
| 2025-09-30 | 1.59 | $-0.07 | 0.00 |
| 2025-06-30 | 1.64 | $-0.06 | 0.00 |
| 2025-03-31 | 1.13 | $-0.04 | 0.00 |
| 2024-12-31 | 1.71 | $-0.04 | 0.00 |
| 2024-09-30 | 2.19 | $-0.04 | 0.00 |
| 2024-06-30 | 1.84 | $-0.05 | 0.00 |
| 2024-03-31 | 1.30 | $-0.06 | 0.00 |
| 2023-12-31 | 1.01 | $-0.06 | 0.00 |
| 2023-09-30 | 1.08 | $-0.05 | 0.00 |
| 2023-06-30 | 1.60 | $-0.06 | 0.00 |
| 2023-03-31 | 1.71 | $-0.07 | 0.00 |
| 2022-12-31 | 1.91 | $-0.08 | 0.00 |
| 2022-09-30 | 2.13 | $-0.08 | 0.00 |
| 2022-06-30 | 1.74 | $-0.06 | 0.00 |
| 2022-03-31 | 1.92 | $-0.06 | 0.00 |
| 2021-12-31 | 1.72 | $-0.06 | 0.00 |
| 2021-09-30 | 2.56 | $-0.07 | 0.00 |
| 2021-06-30 | 2.37 | $-0.08 | 0.00 |
| 2021-03-31 | 2.84 | $-0.07 | 0.00 |
| 2020-12-31 | 2.81 | $-0.07 | 0.00 |
| 2020-09-30 | 2.70 | $-0.08 | 0.00 |
| 2020-06-30 | 4.06 | $-0.08 | 0.00 |
| 2020-03-31 | 2.34 | $-0.12 | 0.00 |
| 2019-12-31 | 3.01 | $-0.13 | 0.00 |
| 2019-09-30 | 3.20 | $-0.11 | 0.00 |
| 2019-06-30 | 3.33 | $-0.13 | 0.00 |
| 2019-03-31 | 2.16 | $-0.10 | 0.00 |
| 2018-12-31 | 1.56 | $-0.10 | 0.00 |
| 2018-09-30 | 1.57 | $-0.11 | 0.00 |
| 2018-06-30 | 0.82 | $-0.09 | 0.00 |
| 2018-03-31 | 0.98 | $-0.09 | 0.00 |
| 2017-12-31 | 1.04 | $-0.10 | 0.00 |
| 2017-09-30 | 1.19 | $-0.13 | 0.00 |
| 2017-06-30 | 1.29 | $-0.14 | 0.00 |
| 2017-03-31 | 1.40 | $-0.17 | 0.00 |
| 2016-12-31 | 1.82 | $-0.18 | 0.00 |
| 2016-09-30 | 2.59 | $-0.20 | 0.00 |
| 2016-06-30 | 3.65 | $-0.21 | 0.00 |
| 2016-03-31 | 4.56 | $-0.18 | 0.00 |
| 2015-12-31 | 5.21 | $-0.18 | 0.00 |
| 2015-09-30 | 5.07 | $-0.16 | 0.00 |
| 2015-06-30 | 5.34 | $-0.16 | 0.00 |
| 2015-03-31 | 6.10 | $-0.19 | 0.00 |
| 2014-12-31 | 5.12 | $-0.19 | 0.00 |
| 2014-09-30 | 5.75 | $-0.25 | 0.00 |
| 2014-06-30 | 6.06 | $-0.26 | 0.00 |
| 2014-03-31 | 5.19 | $-0.24 | 0.00 |
| 2013-12-31 | 5.78 | $-0.26 | 0.00 |
| 2013-09-30 | 4.24 | $-0.18 | 0.00 |
| 2013-06-30 | 3.98 | $-0.18 | 0.00 |
| 2013-03-31 | 3.68 | $-0.19 | 0.00 |
| 2012-12-31 | 3.74 | $-0.16 | 0.00 |
| 2012-09-30 | 4.45 | $-0.16 | 0.00 |
| 2012-06-30 | 3.12 | $-0.16 | 0.00 |
| 2012-03-31 | 3.54 | $-0.17 | 0.00 |
| 2011-12-31 | 3.39 | $-0.22 | 0.00 |
| 2011-09-30 | 3.78 | $-0.22 | 0.00 |
| 2011-06-30 | 4.57 | $-0.22 | 0.00 |
| 2011-03-31 | 6.82 | $-0.21 | 0.00 |
| 2010-12-31 | 5.29 | $-0.22 | 0.00 |
| 2010-09-30 | 3.96 | $-0.23 | 0.00 |
| 2010-06-30 | 4.45 | $-0.24 | 0.00 |
| 2010-03-31 | 2.79 | $-0.25 | 0.00 |
| 2009-12-31 | 3.79 | $-0.25 | 0.00 |
| 2009-09-30 | 4.12 | $-0.26 | 0.00 |
| 2009-06-30 | 3.58 | $-0.20 | 0.00 |
| 2009-03-31 | 4.49 | $-0.21 | 0.00 |
| 2008-12-31 | 2.17 | $-0.17 | 0.00 |
| 2008-09-30 | 4.12 | $-0.27 | 0.00 |
| 2008-06-30 | 6.31 | $-0.44 | 0.00 |
| 2008-03-31 | 6.78 | $-0.43 | 0.00 |
| 2007-12-31 | 10.00 | $-0.50 | 0.00 |
| 2007-09-30 | 14.92 | $-0.40 | 0.00 |
| 2007-06-30 | 14.11 | $-0.29 | 0.00 |
| 2007-03-31 | 9.60 | $-0.30 | 0.00 |
| 2006-12-31 | 5.48 | $-0.24 | 0.00 |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Computer and Technology | Electrical Products - Miscellaneous | $0.013B | $0.001B |
| RESEARCH FRONTIERS INC. is primarily engaged in the development and licensing of suspended particle technology and devices to control the transmission of light. | |||
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|---|---|---|---|
| KLA (KLAC) | United States | $219.526B | 44.73 |
| Tokyo Electron (TOELY) | Japan | $152.813B | 45.73 |
| Hon Hai Precision Industry, Sponsored GDR (HNHPF) | Taiwan | $106.653B | 0.00 |
| Osram Licht AG (OSAGF) | Germany | $62.133B | 0.00 |
| Garmin (GRMN) | Switzerland | $53.800B | 28.85 |
| Teradyne (TER) | United States | $52.038B | 43.34 |
| Hoya (HOCPY) | Japan | $48.133B | 28.52 |
| Rockwell Automation (ROK) | United States | $46.307B | 32.38 |
| Flex (FLEX) | United States | $39.896B | 33.75 |
| Daikin Industries (DKILY) | Japan | $38.368B | 21.11 |
| Smc (SMCAY) | Japan | $27.585B | 21.17 |
| SiTime (SITM) | United States | $16.551B | 280.81 |
| MKS (MKSI) | United States | $15.653B | 23.15 |
| Madison Air Solutions (MAIR) | United States | $11.991B | 0.00 |
| Timken (TKR) | United States | $8.076B | 19.39 |
| Brother Industries (BRTHY) | Japan | $7.539B | 20.90 |
| Spectris (SEPJY) | United Kingdom | $5.212B | 0.00 |
| Bel Fuse (BELFB) | United States | $3.346B | 55.98 |
| Casio Computer (CSIOY) | Japan | $3.068B | 19.45 |
| Alps Alpine - (APELY) | Japan | $3.055B | 13.98 |
| Plug Power (PLUG) | United States | $2.864B | 0.00 |
| Bel Fuse (BELFA) | United States | $2.757B | 22.86 |
| Hayward Holdings (HAYW) | United States | $2.705B | 15.55 |
| Preformed Line Products (PLPC) | United States | $1.971B | 38.61 |
| Eastman Kodak (KODK) | United States | $0.900B | 0.00 |
| Daktronics (DAKT) | United States | $0.853B | 15.98 |
| Kopin (KOPN) | United States | $0.807B | 108.50 |
| Enovix (ENVX) | United States | $0.654B | 0.00 |
| Mistras Group Inc (MG) | United States | $0.626B | 18.37 |
| Kimball Electronics (KE) | United States | $0.578B | 23.64 |
| Star Group (SGU) | United States | $0.419B | 6.82 |
| Cartesian Growth III (CGCT) | United States | $0.354B | 0.00 |
| American Battery Technology (ABAT) | United States | $0.319B | 0.00 |
| Electrovaya (ELVA) | Canada | $0.307B | 56.36 |
| Heritage Media (OLVI) | $0.154B | 0.00 | |
| Owlet (OWLT) | United States | $0.136B | 0.00 |
| NOVONIX (NVX) | Australia | $0.076B | 0.00 |
| Universal Electronics (UEIC) | United States | $0.065B | 18.14 |
| Solidion Technology (STI) | United States | $0.056B | 0.00 |
| Wallbox (WBX) | Spain | $0.054B | 0.00 |
| Acorn Energy (ACFN) | United States | $0.051B | 61.51 |
| Microvision (MVIS) | United States | $0.036B | 0.00 |
| Spruce Power Holding (SPRU) | United States | $0.032B | 0.00 |
| Beam Global (BEEM) | United States | $0.031B | 0.00 |
| MKDWELL Tech (MKDW) | Taiwan | $0.028B | 0.00 |
| Key Tronic (KTCC) | United States | $0.026B | 0.00 |
| Greenland Technologies Holding (GTEC) | United States | $0.023B | 1.90 |
| XCHG (XCH) | Germany | $0.013B | 0.00 |
| Dragonfly Energy Holdings (DFLI) | United States | $0.013B | 0.00 |
| Flux Power Holdings (FLUX) | United States | $0.011B | 0.00 |
| ESS Tech (GWH) | United States | $0.011B | 0.00 |
| Gauzy (GAUZ) | Israel | $0.009B | 0.00 |
| BIO-key (BKYI) | United States | $0.004B | 0.00 |
| CCSC Technology Holdings (CCTG) | Hong Kong, SAR China | $0.002B | 0.00 |
| Stardust Power (SDST) | United States | $0.002B | 0.00 |
| Linkers Industries (LNKS) | $0.002B | 0.00 | |
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| Elong Power Holding (ELPW) | China | $0.000B | 0.00 |