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Research Frontiers Incorporated (REFR)

NasdaqCM - NasdaqCM Delayed price. Currency in USD
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1.8600+0.0600 (+3.33%)
At close: 04:00PM EDT
2.0000 +0.14 (+7.53%)
After hours: 06:03PM EDT
In the money
Show:ListStraddle
Callsfor21 June 2024
Contract nameLast trade dateStrikeLast priceBidAskChange% changeVolumeOpen interestImplied volatility
REFR240621C000025002024-06-10 9:30AM EDT2.500.100.000.050.00-1884168.75%
REFR240621C000050002024-06-10 9:49AM EDT5.000.020.000.050.00--4400.00%
REFR240621C000075002024-06-10 9:30AM EDT7.500.150.000.150.00--1637.50%
Putsfor21 June 2024
Contract nameLast trade dateStrikeLast priceBidAskChange% changeVolumeOpen interestImplied volatility
REFR240621P000025002023-10-19 10:24AM EDT2.501.501.101.750.00-22965.63%
REFR240621P000050002024-05-23 2:59PM EDT5.003.082.953.400.00--0431.25%