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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
Callsfor20 September 2024
Contract nameLast trade dateStrikeLast priceBidAskChange% changeVolumeOpen interestImplied volatility
REFR240920C000025002024-06-12 11:12AM EDT2.500.150.051.200.00-101,999213.67%
REFR240920C000050002024-03-18 10:25AM EDT5.000.050.000.750.00--10230.47%
Putsfor20 September 2024
Contract nameLast trade dateStrikeLast priceBidAskChange% changeVolumeOpen interestImplied volatility
REFR240920P000025002024-05-20 9:49AM EDT2.500.700.001.450.00-2367.97%