Option Chain for Invesco Water Resources ETF (PHO) 

$ 36.11   0.25 (+0.70%) Volume: 114.39k 3:59 PM EDT Aug 21, 2019
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Aug 19  |  Sep 19  |  Oct 19  |  Dec 19  |  Mar 20  |  Near Term  |  All
Calls Last Chg Volume Open Int Root Strike Puts Last Chg Volume Open Int
Sep 20, 2019 2.83   0 10 PHO 33.00 Sep 20, 2019 0.50   0 12
Sep 20, 2019 2.15   0 14 PHO 34.00 Sep 20, 2019     0 0
Sep 20, 2019 1.40   0 28 PHO 35.00 Sep 20, 2019     0 0
Sep 20, 2019 0.80   0 28 PHO 36.00 Sep 20, 2019     0 0
Sep 20, 2019 0.30   0 42 PHO 37.00 Sep 20, 2019     0 0
Sep 20, 2019     0 0 PHO 38.00 Sep 20, 2019     0 0
Sep 20, 2019     0 0 PHO 39.00 Sep 20, 2019     0 0