Option Chain for Riot Blockchain Inc (RIOT) 

$ 2.12   0.07 (+3.41%) Volume: 1.32m 4:00 PM EDT 13-Sep-2019
After Hours:  $ 2.11   -0.01 (-0.47%) Volume: 6.24k 5:43 PM EDT 13-Sep-2019
Option Filter:        Type:        Help
Sep 19  |  Oct 19  |  Nov 19  |  Dec 19  |  Jan 20  |  Mar 20  |  Jan 21  |  Near Term  |  All
Calls Last Chg Volume Open Int Root Strike Puts Last Chg Volume Open Int
13-Sep-2019 0.12 0.05 942 0 RIOT 2.00 13-Sep-2019 0.01 -0.02 14 1143
20-Sep-2019 0.15 0.04 326 4233 RIOT 2.00 20-Sep-2019 0.05 -0.04 165 2104
27-Sep-2019 0.16 0.02 133 441 RIOT 2.00 27-Sep-2019 0.16   0 43