REFR - Research Frontiers Incorporated

NasdaqGS - NasdaqGS Real Time Price. Currency in USD
In The Money
Show:ListStraddle
CallsforNovember 15, 2019
Contract NameLast Trade DateStrikeLast PriceBidAskChange% ChangeVolumeOpen InterestImplied Volatility
REFR191115C000025002019-11-06 10:05AM EST2.501.050.600.900.00-10637.50%
REFR191115C000050002019-11-01 8:38AM EST5.000.050.000.000.00-20100.00%
PutsforNovember 15, 2019
Contract NameLast Trade DateStrikeLast PriceBidAskChange% ChangeVolumeOpen InterestImplied Volatility
REFR191115P000025002019-11-07 3:22PM EST2.500.050.000.050.00-150393.75%
REFR191115P000050002019-10-24 1:44PM EST5.001.501.601.850.00--0462.50%