Research Frontiers Inc (REFR) stock
REFRNasdaqPatent Owners & LessorsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 6/3098% above fair value
$0.32−0.04 (-11.76%)
Close on Nov 13, 2026Market cap $10.99MP/E –Yield –
Research Frontiers price to book ratio
The price-to-book ratio is market cap divided by shareholders' equity.
Research Frontiers's price to book ratio was 10.9× on Nov 11, 2026, against 42.4× a year earlier. Over the last 5 years it ranged from 7.8× to 42.4×, with a median of 16.1×.
Price to Book Ratio at the end of each year
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| 2026 | Nov 11, 2026 | 10.9× | −18.4 |
| 2025 | Dec 31, 2025 | 29.4× | +9.1 |
| 2024 | Dec 31, 2024 | 20.3× | +11.5 |
| 2023 | Dec 29, 2023 | 8.8× | −3.0 |
| 2022 | Dec 30, 2022 | 11.8× | −0.7 |
| 2021 | Dec 31, 2021 | 12.5× | −2.6 |
| 2020 | Dec 31, 2020 | 15.1× | +3.1 |
| 2019 | Dec 31, 2019 | 12.0× | +0.4 |
| 2018 | Dec 31, 2018 | 11.6× | +3.7 |
| 2017 | Dec 29, 2017 | 7.9× | +0.9 |
| 2016 | Dec 30, 2016 | 7.0× | −5.1 |
| 2015 | Dec 31, 2015 | 12.1× | +3.0 |
| 2014 | Dec 31, 2014 | 9.2× | −1.8 |
| 2013 | Dec 31, 2013 | 11.0× | +2.5 |
| 2012 | Dec 31, 2012 | 8.5× | −4.3 |
| 2011 | Dec 30, 2011 | 12.8× | – |
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