Option Chain for Summit Materials Inc. Class A (SUM) 

$ 16.61   0.47 (+2.91%) Volume: 752.29k 7:00 PM EDT Jul 14, 2020
After Hours:  $ 16.61 0.00 (0.00%) Volume: 11.62k 4:00 PM EDT Jul 14, 2020
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Jul 20  |  Aug 20  |  Nov 20  |  Jan 21  |  Feb 21  |  Jan 22  |  Near Term  |  All
Calls Last Chg Volume Open Int Root Strike Puts Last Chg Volume Open Int
Jul 17, 2020 1.69 -0.11 10 155 SUM 15.00 Jul 17, 2020 0.13   0 323
Jul 17, 2020 0.30   0 5174 SUM 17.50 Jul 17, 2020 1.30 0.15 1 13