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REFR - Quotes Dashboard

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Research Frontiers, Inc. (refr)

2025-05-30 15:57:43 ET (Delayed)
Bid: 
1.75
Ask: 
1.83
Vol: 
38,632
Last: 
1.82
Change: 
-0.005 (+-0.2732%)
Filters By:
Volume:
All
Expiration Type:
All
Options Range:
Near the Money
Size:
3
Expiration:
2025 June
 
Options Chain
Total Records: 3
Calls
(EXPR: Fri Jun 20 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
REFR 2.500
0.03
+0
0
0.05
0
0.92
0.2199
0.5748
1138
REFR 5.000
0.08
+0
0
0.75
0
4.87
0.0643
0.1292
2
REFR 7.500
0
+0
0
0.75
0
5.73
0.0418
0.0739
0
Fri Jun 20 2025
Strike
REFR 2.500
REFR 5.000
REFR 7.500
Puts
(EXPR: Fri Jun 20 2025)
Strike
Last
Net
Bid
Ask
Vol
IV
Delta
Gamma
Int
REFR 2.500
0
+0
0.2
0.75
0
0
-0.8826
0.6018
0
REFR 5.000
0
+0
3.1
3.3
0
2.87
-0.9854
0.0712
0
REFR 7.500
0
+0
5.6
5.8
0
3.61
-0.9936
0.0287
0
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