Research Frontiers Incorporated ( REFR) - Price History
Monthly price history for REFR (Research Frontiers Incorporated)
| Date | Adjusted price | Real price |
|---|---|---|
| June 2026 | $0.77 | $0.77 |
| May 2026 | $0.77 | $0.77 |
| April 2026 | $0.92 | $0.92 |
| March 2026 | $0.92 | $0.92 |
| February 2026 | $1 | $1 |
| January 2026 | $1.20 | $1.20 |
| December 2025 | $1.31 | $1.31 |
| November 2025 | $1.89 | $1.89 |
| October 2025 | $1.94 | $1.94 |
| September 2025 | $1.59 | $1.59 |
| August 2025 | $1.35 | $1.35 |
| July 2025 | $1.58 | $1.58 |
| June 2025 | $1.64 | $1.64 |
| May 2025 | $1.82 | $1.82 |
| April 2025 | $1.05 | $1.05 |
| March 2025 | $1.13 | $1.13 |
| February 2025 | $1.35 | $1.35 |
| January 2025 | $1.54 | $1.54 |
| December 2024 | $1.71 | $1.71 |
| November 2024 | $1.95 | $1.95 |
| October 2024 | $2.20 | $2.20 |
| September 2024 | $2.19 | $2.19 |
| August 2024 | $2.16 | $2.16 |
| July 2024 | $1.97 | $1.97 |
| June 2024 | $1.84 | $1.84 |
| May 2024 | $2.11 | $2.11 |
| April 2024 | $1.55 | $1.55 |
| March 2024 | $1.30 | $1.30 |
| February 2024 | $0.98 | $0.98 |
| January 2024 | $1.02 | $1.02 |
| December 2023 | $1.01 | $1.01 |
| November 2023 | $1.03 | $1.03 |
| October 2023 | $1.08 | $1.08 |
| September 2023 | $1.08 | $1.08 |
| August 2023 | $1.51 | $1.51 |
| July 2023 | $1.68 | $1.68 |
| June 2023 | $1.60 | $1.60 |
| May 2023 | $1.74 | $1.74 |
| April 2023 | $1.60 | $1.60 |
| March 2023 | $1.71 | $1.71 |
| February 2023 | $1.88 | $1.88 |
| January 2023 | $2.12 | $2.12 |
| December 2022 | $1.91 | $1.91 |
| November 2022 | $2.35 | $2.35 |
| October 2022 | $2.44 | $2.44 |
| September 2022 | $2.13 | $2.13 |
| August 2022 | $2.31 | $2.31 |
| July 2022 | $1.58 | $1.58 |
| June 2022 | $1.74 | $1.74 |
| May 2022 | $1.73 | $1.73 |
| April 2022 | $1.86 | $1.86 |
| March 2022 | $1.92 | $1.92 |
| February 2022 | $1.99 | $1.99 |
| January 2022 | $1.48 | $1.48 |
| December 2021 | $1.72 | $1.72 |
| November 2021 | $2.01 | $2.01 |
| October 2021 | $2.25 | $2.25 |
| September 2021 | $2.56 | $2.56 |
| August 2021 | $2.29 | $2.29 |
| July 2021 | $2.55 | $2.55 |
| June 2021 | $2.37 | $2.37 |
| May 2021 | $2.38 | $2.38 |
| April 2021 | $2.56 | $2.56 |
| March 2021 | $2.84 | $2.84 |
| February 2021 | $4.03 | $4.03 |
| January 2021 | $4.06 | $4.06 |
| December 2020 | $2.81 | $2.81 |
| November 2020 | $2.93 | $2.93 |
| October 2020 | $2.59 | $2.59 |
| September 2020 | $2.70 | $2.70 |
| August 2020 | $2.32 | $2.32 |
| July 2020 | $3.38 | $3.38 |
| June 2020 | $4.06 | $4.06 |
| May 2020 | $4.45 | $4.45 |
| April 2020 | $3.01 | $3.01 |
| March 2020 | $2.34 | $2.34 |
| February 2020 | $3.10 | $3.10 |
| January 2020 | $3.33 | $3.33 |
| December 2019 | $3.01 | $3.01 |
| November 2019 | $3.18 | $3.18 |
| October 2019 | $3.50 | $3.50 |
| September 2019 | $3.20 | $3.20 |
| August 2019 | $4.50 | $4.50 |
| July 2019 | $3.54 | $3.54 |
| June 2019 | $3.33 | $3.33 |
| May 2019 | $2.93 | $2.93 |
| April 2019 | $3.17 | $3.17 |
| March 2019 | $2.16 | $2.16 |
| February 2019 | $2.38 | $2.38 |
| January 2019 | $2.50 | $2.50 |
| December 2018 | $1.56 | $1.56 |
| November 2018 | $1.49 | $1.49 |
| October 2018 | $1.40 | $1.40 |
| September 2018 | $1.57 | $1.57 |
| August 2018 | $1.15 | $1.15 |
| July 2018 | $0.92 | $0.92 |
| June 2018 | $0.82 | $0.82 |
| May 2018 | $0.81 | $0.81 |
| April 2018 | $0.95 | $0.95 |
| March 2018 | $0.98 | $0.98 |
| February 2018 | $0.94 | $0.94 |
| January 2018 | $0.96 | $0.96 |
| December 2017 | $1.04 | $1.04 |
| November 2017 | $1.04 | $1.04 |
| October 2017 | $1.11 | $1.11 |
| September 2017 | $1.19 | $1.19 |
| August 2017 | $1.18 | $1.18 |
| July 2017 | $1.26 | $1.26 |
| June 2017 | $1.29 | $1.29 |
| May 2017 | $1.07 | $1.07 |
| April 2017 | $1.26 | $1.26 |
| March 2017 | $1.40 | $1.40 |
| February 2017 | $1.68 | $1.68 |
| January 2017 | $1.91 | $1.91 |
| December 2016 | $1.82 | $1.82 |
| November 2016 | $1.77 | $1.77 |
| October 2016 | $2.19 | $2.19 |
| September 2016 | $2.59 | $2.59 |
| August 2016 | $3.11 | $3.11 |
| July 2016 | $3.44 | $3.44 |
| June 2016 | $3.65 | $3.65 |
| May 2016 | $4.07 | $4.07 |
| April 2016 | $4.54 | $4.54 |
| March 2016 | $4.56 | $4.56 |
| February 2016 | $4.63 | $4.63 |
| January 2016 | $4.29 | $4.29 |
| December 2015 | $5.21 | $5.21 |
| November 2015 | $5.02 | $5.02 |
| October 2015 | $5.03 | $5.03 |
| September 2015 | $5.07 | $5.07 |
| August 2015 | $5.32 | $5.32 |
| July 2015 | $5.15 | $5.15 |
| June 2015 | $5.34 | $5.34 |
| May 2015 | $5.90 | $5.90 |
| April 2015 | $5.67 | $5.67 |
| March 2015 | $6.10 | $6.10 |
| February 2015 | $5.42 | $5.42 |
| January 2015 | $5.03 | $5.03 |
| December 2014 | $5.12 | $5.12 |
| November 2014 | $5.08 | $5.08 |
| October 2014 | $4.98 | $4.98 |
| September 2014 | $5.75 | $5.75 |
| August 2014 | $5.09 | $5.09 |
| July 2014 | $5.19 | $5.19 |
| June 2014 | $6.06 | $6.06 |
| May 2014 | $5.90 | $5.90 |
| April 2014 | $4.55 | $4.55 |
| March 2014 | $5.19 | $5.19 |
| February 2014 | $6.01 | $6.01 |
| January 2014 | $6.98 | $6.98 |
| December 2013 | $5.78 | $5.78 |
| November 2013 | $6.68 | $6.68 |
| October 2013 | $4.82 | $4.82 |
| September 2013 | $4.24 | $4.24 |
| August 2013 | $4.27 | $4.27 |
| July 2013 | $4.08 | $4.08 |
| June 2013 | $3.98 | $3.98 |
| May 2013 | $3.67 | $3.67 |
| April 2013 | $4.15 | $4.15 |
| March 2013 | $3.68 | $3.68 |
| February 2013 | $3.28 | $3.28 |
| January 2013 | $3.35 | $3.35 |
| December 2012 | $3.74 | $3.74 |
| November 2012 | $3.62 | $3.62 |
| October 2012 | $4.17 | $4.17 |
| September 2012 | $4.45 | $4.45 |
| August 2012 | $3.16 | $3.16 |
| July 2012 | $2.97 | $2.97 |
| June 2012 | $3.12 | $3.12 |
| May 2012 | $3.39 | $3.39 |
| April 2012 | $3.30 | $3.30 |
| March 2012 | $3.54 | $3.54 |
| February 2012 | $3.50 | $3.50 |
| January 2012 | $3.84 | $3.84 |
| December 2011 | $3.39 | $3.39 |
| November 2011 | $3.79 | $3.79 |
| October 2011 | $3.85 | $3.85 |
| September 2011 | $3.78 | $3.78 |
| August 2011 | $4.12 | $4.12 |
| July 2011 | $4.36 | $4.36 |
| June 2011 | $4.57 | $4.57 |
| May 2011 | $5.17 | $5.17 |
| April 2011 | $5.87 | $5.87 |
| March 2011 | $6.82 | $6.82 |
| February 2011 | $7.84 | $7.84 |
| January 2011 | $6.53 | $6.53 |
| December 2010 | $5.29 | $5.29 |
| November 2010 | $5.08 | $5.08 |
| October 2010 | $4.09 | $4.09 |
| September 2010 | $3.96 | $3.96 |
| August 2010 | $4.01 | $4.01 |
| July 2010 | $4.68 | $4.68 |
| June 2010 | $4.45 | $4.45 |
| May 2010 | $3.10 | $3.10 |
| April 2010 | $3.21 | $3.21 |
| March 2010 | $2.79 | $2.79 |
| February 2010 | $2.83 | $2.83 |
| January 2010 | $3 | $3 |
| December 2009 | $3.79 | $3.79 |
| November 2009 | $3.87 | $3.87 |
| October 2009 | $3.62 | $3.62 |
| September 2009 | $4.12 | $4.12 |
| August 2009 | $3.11 | $3.11 |
| July 2009 | $3.85 | $3.85 |
| June 2009 | $3.58 | $3.58 |
| May 2009 | $3.10 | $3.10 |
| April 2009 | $3.65 | $3.65 |
| March 2009 | $4.49 | $4.49 |
| February 2009 | $2.60 | $2.60 |
| January 2009 | $3.10 | $3.10 |
| December 2008 | $2.17 | $2.17 |
| November 2008 | $1.97 | $1.97 |
| October 2008 | $3.83 | $3.83 |
| September 2008 | $4.12 | $4.12 |
| August 2008 | $5.15 | $5.15 |
| July 2008 | $4.57 | $4.57 |
| June 2008 | $6.31 | $6.31 |
| May 2008 | $5.86 | $5.86 |
| April 2008 | $5.91 | $5.91 |
| March 2008 | $6.78 | $6.78 |
| February 2008 | $7.55 | $7.55 |
| January 2008 | $7.11 | $7.11 |
| December 2007 | $10 | $10 |
| November 2007 | $9.85 | $9.85 |
| October 2007 | $14.86 | $14.86 |
| September 2007 | $14.92 | $14.92 |
| August 2007 | $11.71 | $11.71 |
| July 2007 | $14.93 | $14.93 |
| June 2007 | $14.11 | $14.11 |
| May 2007 | $10.36 | $10.36 |
| April 2007 | $10.86 | $10.86 |
| March 2007 | $9.60 | $9.60 |
| February 2007 | $9.34 | $9.34 |
| January 2007 | $6.39 | $6.39 |
| December 2006 | $5.48 | $5.48 |
| November 2006 | $6.03 | $6.03 |
| October 2006 | $5.78 | $5.78 |
| September 2006 | $4.32 | $4.32 |
| August 2006 | $4.20 | $4.20 |
| July 2006 | $4.30 | $4.30 |
| June 2006 | $5.18 | $5.18 |
| May 2006 | $5.40 | $5.40 |
| April 2006 | $5.45 | $5.45 |
| March 2006 | $3.86 | $3.86 |
| February 2006 | $4.18 | $4.18 |
| January 2006 | $5.10 | $5.10 |
| December 2005 | $5.17 | $5.17 |
| November 2005 | $5.66 | $5.66 |
| October 2005 | $4.72 | $4.72 |
| September 2005 | $3.10 | $3.10 |
| August 2005 | $2.87 | $2.87 |
| July 2005 | $2.93 | $2.93 |
| June 2005 | $3.17 | $3.17 |
| May 2005 | $4.36 | $4.36 |
| April 2005 | $4.55 | $4.55 |
| March 2005 | $5.20 | $5.20 |
| February 2005 | $5.14 | $5.14 |
| January 2005 | $6 | $6 |
| December 2004 | $6.38 | $6.38 |
| November 2004 | $6.27 | $6.27 |
| October 2004 | $7.24 | $7.24 |
| September 2004 | $6.36 | $6.36 |
| August 2004 | $5.96 | $5.96 |
| July 2004 | $7.02 | $7.02 |
| June 2004 | $7.11 | $7.11 |
| May 2004 | $9 | $9 |
| April 2004 | $10.43 | $10.43 |
| March 2004 | $9.62 | $9.62 |
| February 2004 | $11.97 | $11.97 |
| January 2004 | $12.68 | $12.68 |
| December 2003 | $9.29 | $9.29 |
| November 2003 | $9.41 | $9.41 |
| October 2003 | $10.56 | $10.56 |
| September 2003 | $11.47 | $11.47 |
| August 2003 | $11.58 | $11.58 |
| July 2003 | $13.59 | $13.59 |
| June 2003 | $13.98 | $13.98 |
| May 2003 | $11.45 | $11.45 |
| April 2003 | $7.09 | $7.09 |
| March 2003 | $7.20 | $7.20 |
| February 2003 | $6.70 | $6.70 |
| January 2003 | $7.34 | $7.34 |
| December 2002 | $8.34 | $8.34 |
| November 2002 | $10.55 | $10.55 |
| October 2002 | $9.97 | $9.97 |
| September 2002 | $8.96 | $8.96 |
| August 2002 | $9.40 | $9.40 |
| July 2002 | $8.79 | $8.79 |
| June 2002 | $14.86 | $14.86 |
| May 2002 | $13.81 | $13.81 |
| April 2002 | $16.29 | $16.29 |
| March 2002 | $17.68 | $17.68 |
| February 2002 | $16 | $16 |
| January 2002 | $18.31 | $18.31 |
| December 2001 | $16.76 | $16.76 |
| November 2001 | $16.92 | $16.92 |
| October 2001 | $17.81 | $17.81 |
| September 2001 | $16.25 | $16.25 |
| August 2001 | $19.50 | $19.50 |
| July 2001 | $26 | $26 |
| June 2001 | $27 | $27 |
| May 2001 | $27.75 | $27.75 |
| April 2001 | $23.65 | $23.65 |
| March 2001 | $18.25 | $18.25 |
| February 2001 | $16 | $16 |
| January 2001 | $20.69 | $20.69 |
| December 2000 | $17.50 | $17.50 |
| November 2000 | $15.94 | $15.94 |
| October 2000 | $19.25 | $19.25 |
| September 2000 | $19.19 | $19.19 |
| August 2000 | $19.12 | $19.12 |
| July 2000 | $26.44 | $26.44 |
| June 2000 | $30 | $30 |
| May 2000 | $20.19 | $20.19 |
| April 2000 | $19.25 | $19.25 |
| March 2000 | $29.50 | $29.50 |
| February 2000 | $34.94 | $34.94 |
| January 2000 | $26.50 | $26.50 |
| December 1999 | $14.81 | $14.81 |
| November 1999 | $9.81 | $9.81 |
| October 1999 | $10.06 | $10.06 |
| September 1999 | $10 | $10 |
| August 1999 | $12.62 | $12.62 |
| July 1999 | $9.62 | $9.62 |
| June 1999 | $9.69 | $9.69 |
| May 1999 | $8.94 | $8.94 |
| April 1999 | $9.31 | $9.31 |
| March 1999 | $7.12 | $7.12 |
| February 1999 | $8.06 | $8.06 |
| January 1999 | $9.50 | $9.50 |
| December 1998 | $10.50 | $10.50 |
| November 1998 | $7.44 | $7.44 |
| October 1998 | $6.59 | $6.59 |
| September 1998 | $6.94 | $6.94 |
| August 1998 | $6.16 | $6.16 |
| July 1998 | $6 | $6 |
| June 1998 | $6.31 | $6.31 |
| May 1998 | $7 | $7 |
| April 1998 | $7.12 | $7.12 |
| March 1998 | $8 | $8 |
| February 1998 | $9.25 | $9.25 |
| January 1998 | $6.75 | $6.75 |
| December 1997 | $7.62 | $7.62 |
| November 1997 | $8.38 | $8.38 |
| October 1997 | $9 | $9 |
| September 1997 | $9.88 | $9.88 |
| August 1997 | $10.25 | $10.25 |
| July 1997 | $8.62 | $8.62 |
| June 1997 | $6.12 | $6.12 |
| May 1997 | $6.25 | $6.25 |
| April 1997 | $6.12 | $6.12 |
| March 1997 | $6.12 | $6.12 |
| February 1997 | $6.62 | $6.62 |
| January 1997 | $8.50 | $8.50 |
| December 1996 | $7.75 | $7.75 |
| November 1996 | $7.88 | $7.88 |
| October 1996 | $7.62 | $7.62 |
| September 1996 | $9 | $9 |
| August 1996 | $8.62 | $8.62 |
| July 1996 | $7.75 | $7.75 |
| June 1996 | $7.88 | $7.88 |
| May 1996 | $9.75 | $9.75 |
| April 1996 | $10 | $10 |
| March 1996 | $9.12 | $9.12 |
| February 1996 | $9.75 | $9.75 |
| January 1996 | $10.62 | $10.62 |
| December 1995 | $10 | $10 |
| November 1995 | $13.12 | $13.12 |
| October 1995 | $12.50 | $12.50 |
| September 1995 | $13.75 | $13.75 |
| August 1995 | $12.50 | $12.50 |
| July 1995 | $8 | $8 |
| June 1995 | $8.25 | $8.25 |
| May 1995 | $7 | $7 |
| April 1995 | $6.88 | $6.88 |
| March 1995 | $7.22 | $7.22 |
| February 1995 | $7.38 | $7.38 |
| January 1995 | $5.88 | $5.88 |
| December 1994 | $6.25 | $6.25 |
| November 1994 | $6.75 | $6.75 |
| October 1994 | $7.38 | $7.38 |
| September 1994 | $7.12 | $7.12 |
| August 1994 | $7.75 | $7.75 |
| July 1994 | $8.50 | $8.50 |
| June 1994 | $7.62 | $7.62 |
| May 1994 | $9.38 | $9.38 |
| April 1994 | $8.38 | $8.38 |
| March 1994 | $8.25 | $8.25 |
| February 1994 | $10.62 | $10.62 |
| January 1994 | $10.70 | $13.38 |
| December 1993 | $9.70 | $12.12 |
| November 1993 | $8.10 | $10.12 |
| October 1993 | $7.60 | $9.50 |
| September 1993 | $8.70 | $10.88 |
| August 1993 | $9.60 | $12 |
| July 1993 | $7.20 | $9 |
| June 1993 | $7.20 | $13.50 |
| May 1993 | $6.53 | $12.25 |
| April 1993 | $6.67 | $12.50 |
| March 1993 | $6.80 | $12.75 |
| February 1993 | $5.07 | $9.50 |
| January 1993 | $5 | $9.38 |
| December 1992 | $3.73 | $7 |
| November 1992 | $4.27 | $8 |
| October 1992 | $3.80 | $7.12 |
| September 1992 | $4.53 | $8.50 |
| August 1992 | $4.20 | $7.88 |
| July 1992 | $4.13 | $7.75 |
| June 1992 | $3.27 | $6.12 |
| May 1992 | $4 | $7.50 |
| April 1992 | $4.37 | $8.19 |
| March 1992 | $4.07 | $7.62 |
| February 1992 | $4.33 | $8.12 |
| January 1992 | $4.57 | $8.56 |
| December 1991 | $3.40 | $6.38 |
| November 1991 | $4.37 | $8.19 |
| October 1991 | $4.30 | $8.06 |
| September 1991 | $5.17 | $9.69 |
| August 1991 | $6.37 | $11.94 |
| July 1991 | $3.77 | $7.06 |
| June 1991 | $2.10 | $3.94 |
| May 1991 | $1.70 | $3.19 |
| April 1991 | $2.30 | $4.31 |
| March 1991 | $1.17 | $2.19 |
| February 1991 | $1.30 | $2.44 |
| January 1991 | $1.03 | $1.94 |
| December 1990 | $1.13 | $2.12 |
| November 1990 | $1.13 | $2.12 |
| October 1990 | $1.13 | $2.12 |
| September 1990 | $1.10 | $2.06 |
| August 1990 | $1.60 | $3 |
| July 1990 | $1.87 | $3.50 |
| June 1990 | $1.73 | $3.25 |
| May 1990 | $2.17 | $4.06 |
| April 1990 | $2.23 | $4.19 |
| March 1990 | $2.33 | $4.38 |
| February 1990 | $2.13 | $4 |
| January 1990 | $1.70 | $3.19 |
| December 1989 | $1.87 | $3.50 |
| November 1989 | $2 | $3.75 |
| October 1989 | $2.13 | $4 |
| September 1989 | $2 | $3.75 |
| August 1989 | $2.33 | $4.38 |
| July 1989 | $2.60 | $4.88 |
| June 1989 | $2.73 | $5.12 |
| May 1989 | $3.33 | $6.25 |
| April 1989 | $2.93 | $5.50 |
| March 1989 | $3.13 | $5.88 |
| February 1989 | $3.73 | $7 |
| January 1989 | $2.60 | $4.88 |
| December 1988 | $2.67 | $5 |
| November 1988 | $2.83 | $5.31 |
| October 1988 | $3.07 | $5.75 |
| September 1988 | $2.67 | $5 |
| August 1988 | $3.20 | $6 |
| July 1988 | $3.87 | $7.25 |
| June 1988 | $4.27 | $8 |
| May 1988 | $3.73 | $7 |
| April 1988 | $3.20 | $6 |
| March 1988 | $4.53 | $8.50 |
| February 1988 | $3.53 | $6.62 |
| January 1988 | $2.27 | $4.25 |
| December 1987 | $1.33 | $2.50 |
| November 1987 | $1.73 | $3.25 |
| October 1987 | $1.33 | $2.50 |
| September 1987 | $2.90 | $5.44 |
| August 1987 | $3.93 | $7.38 |
| July 1987 | $3.13 | $5.88 |
| June 1987 | $3.20 | $6 |
| May 1987 | $3.33 | $6.25 |
| April 1987 | $3.33 | $6.25 |
| March 1987 | $4.60 | $8.62 |
| February 1987 | $4.87 | $9.12 |
| January 1987 | $4.53 | $8.50 |
| December 1986 | $3.80 | $7.12 |
| November 1986 | $2.87 | $5.38 |
| October 1986 | $3.07 | $5.75 |
| September 1986 | $4.20 | $7.88 |
| August 1986 | $3.53 | $6.62 |
| July 1986 | $4.20 | $7.88 |
REFR
Price: $0.77
52 week price:
Earnings Per Share: -0.06 USD
P/E Ratio: -16.67
Exchange: NCM
Sector: Technology
Industry: Electronic Components
Country: United States
Volume: 13400
Ebitda: -260315Market Capitalization: 30.5 million