Nasdaq · REFR · stock
Research Frontiers INC (REFR) stock price history
Every Nasdaq trading session of Research Frontiers INC from Jul 8, 1986 to Nov 11, 2026: 10,166 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
REFR adjusted close, 1986 to 2026
- $38.63
- All time high, 2000
- $2.10
- 52 week high, $0.3300 low
- 10,166
- Daily sessions since 1986
Last updated Nov 11, 2026, the last stored session. Refreshes after each trading day. Full 1986 to 2026 series and minute bars.
REFR key facts
- Research Frontiers INC (REFR) closed at $0.3500 on Nov 11, 2026 on Nasdaq.
- REFR's all time high close is $38.63, set on Feb 17, 2000; its all time low close is $0.3500 on Oct 30, 2026.
- REFR's 52 week range is $0.3300 to $2.10.
- REFR returned -79.9% over the year to Nov 11, 2026 and -85.1% over five years.
- Over ten years REFR returned -83%, -16.2% a year compounded.
- REFR's deepest drawdown was -99.1% from Feb 17, 2000 to Oct 30, 2026.
- DataCedar holds 10,166 daily sessions of REFR history from Jul 8, 1986 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
REFR price chart, 1986 to 2026
REFR returns
Price return from the last close on or before the window start to Nov 11, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -40.7% |
| 3 months | -28.6% |
| 6 months | -53.9% |
| Year to date | -73.5% |
| 1 year | -79.9% |
| 3 years | -66.7% |
| 5 years | -85.1% |
| 10 years | -82.8% |
| Since Jul 8, 1986 | -91.5% |
| Compound annual growth, 40.3 years | -5.9% |
REFR records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $38.63 on Feb 17, 2000
- All time low close
- $0.3500 on Oct 30, 2026
- 52 week high
- $2.10 on Nov 24, 2025
- 52 week low
- $0.3300 on Nov 3, 2026
- Deepest drawdown
- -99.1% from Feb 17, 2000 to Oct 30, 2026, not yet recovered
- Best single session
- +75.0% on Apr 3, 1991
- Worst single session
- -26.8% on Jun 22, 2018
- Volatility, 1 year annualised
- 95.0%
- Sessions closing higher, 1 year
- 35%
- Best calendar year
- 1991, +212%
- Worst calendar year
- 2008, -78%
REFR price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 1986 starts on Jul 8, 1986; 2026 runs to Nov 11, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $1.31 | $1.44 | $0.3300 | $0.3500 | -73.3% | 113.8M | 217 |
| 2025 | $1.70 | $2.70 | $0.9300 | $1.31 | -23.4% | 11.9M | 250 |
| 2024 | $1.00 | $2.41 | $0.9300 | $1.71 | +69.3% | 9.3M | 252 |
| 2023 | $1.96 | $2.30 | $0.9000 | $1.01 | -47.1% | 8.3M | 250 |
| 2022 | $1.78 | $2.85 | $1.34 | $1.91 | +11.0% | 9.7M | 251 |
| 2021 | $2.81 | $5.66 | $1.65 | $1.72 | -38.8% | 49.7M | 252 |
| 2020 | $3.04 | $5.70 | $1.66 | $2.81 | -6.6% | 52.1M | 253 |
| 2019 | $1.55 | $5.38 | $1.48 | $3.01 | +92.9% | 43.6M | 252 |
| 2018 | $1.10 | $1.95 | $0.6000 | $1.56 | +50.0% | 15.6M | 251 |
| 2017 | $1.82 | $2.15 | $0.8600 | $1.04 | -42.9% | 13.5M | 251 |
| 2016 | $5.15 | $5.20 | $1.65 | $1.82 | -65.1% | 10.3M | 252 |
| 2015 | $5.09 | $6.63 | $4.34 | $5.21 | +1.8% | 11.5M | 252 |
| 2014 | $5.84 | $7.60 | $4.28 | $5.12 | -11.4% | 18.6M | 252 |
| 2013 | $3.84 | $7.64 | $2.93 | $5.78 | +54.5% | 23M | 252 |
| 2012 | $3.39 | $5.17 | $2.79 | $3.74 | +10.3% | 10.1M | 250 |
| 2011 | $5.39 | $10.29 | $3.07 | $3.39 | -35.9% | 15.1M | 252 |
| 2010 | $3.80 | $5.35 | $2.54 | $5.29 | +39.6% | 8.3M | 252 |
| 2009 | $2.11 | $4.90 | $1.91 | $3.79 | +74.7% | 5.7M | 252 |
| 2008 | $9.85 | $10.32 | $1.55 | $2.17 | -78.3% | 10.7M | 253 |
| 2007 | $5.35 | $17.40 | $4.93 | $10.00 | +82.5% | 43.1M | 251 |
| 2006 | $5.17 | $6.82 | $3.59 | $5.48 | +6.0% | 14.8M | 251 |
| 2005 | $6.38 | $7.00 | $2.55 | $5.17 | -19.0% | 7.8M | 252 |
| 2004 | $9.40 | $13.98 | $5.13 | $6.38 | -31.3% | 8.7M | 252 |
| 2003 | $8.36 | $17.20 | $4.28 | $9.29 | +11.4% | 11M | 252 |
| 2002 | $16.98 | $21.00 | $6.35 | $8.34 | -50.2% | 8.5M | 252 |
| 2001 | $18.00 | $30.00 | $9.00 | $16.76 | -4.2% | 16.6M | 248 |
| 2000 | $14.63 | $40.00 | $9.69 | $17.50 | +18.1% | 22M | 252 |
| 1999 | $10.38 | $15.44 | $6.75 | $14.81 | +41.1% | 12M | 252 |
| 1998 | $7.50 | $11.13 | $5.44 | $10.50 | +37.7% | 11.8M | 252 |
| 1997 | $7.38 | $11.63 | $4.88 | $7.63 | -1.6% | 10.7M | 253 |
| 1996 | $10.25 | $11.75 | $7.00 | $7.75 | -22.5% | 7.7M | 254 |
| 1995 | $6.50 | $16.88 | $5.13 | $10.00 | +60.0% | 13M | 252 |
| 1994 | $9.70 | $11.25 | $4.63 | $6.25 | -35.6% | 8.3M | 252 |
| 1993 | $3.73 | $11.00 | $3.73 | $9.70 | +159.8% | 11.2M | 253 |
| 1992 | $3.40 | $5.53 | $2.93 | $3.73 | +12.0% | 7.9M | 254 |
| 1991 | $1.07 | $7.13 | $1.00 | $3.33 | +212.5% | 9.7M | 253 |
| 1990 | $1.87 | $2.53 | $0.8000 | $1.07 | -40.7% | 1.4M | 253 |
| 1989 | $2.53 | $4.67 | $1.33 | $1.80 | -28.9% | 1.9M | 252 |
| 1988 | $1.20 | $5.07 | $1.20 | $2.53 | +111.1% | 2M | 253 |
| 1987 | $4.00 | $6.13 | $0.9333 | $1.20 | -66.7% | 1.9M | 253 |
| 1986 | $4.13 | $5.73 | $2.53 | $3.60 | n/a | 1.4M | 124 |
REFR monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $0.3500 | 0.0% |
| October 2026 | $0.3500 | -52.1% |
| September 2026 | $0.7300 | +55.3% |
| August 2026 | $0.4700 | +17.5% |
| July 2026 | $0.4000 | -23.1% |
| June 2026 | $0.5200 | -32.5% |
| May 2026 | $0.7700 | -16.3% |
| April 2026 | $0.9200 | 0.0% |
| March 2026 | $0.9200 | -8.0% |
| February 2026 | $1.00 | -16.7% |
| January 2026 | $1.20 | -8.4% |
| December 2025 | $1.31 | -30.7% |
About the REFR data
Daily bars. 10,166 sessions from Jul 8, 1986 to Nov 11, 2026, one row per Nasdaq trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Oct 23, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Nasdaq trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Jul 8, 1986, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/nasdaq%3AREFR/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
REFR share price history
