REFR chart

Research Frontiers Incorporated · Quote, news and financials

0.35 USD
-0.03 -7.89%
Bid
0.34 × 1
Ask
0.36 × 4

Extended hours 0.37 +5.71%

As of Oct 30, 2026

3M chart

Closing price and volume

REFR three-month price chart0.340.490.640.790.94Jul 31Aug 19Sep 8Sep 24Oct 13Oct 30