FWIW, some after market activity on POETF yesterday:
Trades for U:POETF on 20180308 - 100 trades displayed
Trades for U:POETF on 20180308 - 100 trades displayed
Time ET Ex Price Change Volume
16:07:49 Q 0.5331 0.073 10,000
16:07:42 Q 0.5331 0.073 10,000
16:07:36 Q 0.5331 0.073 25,000
16:07:28 Q 0.5331 0.073 25,000
16:07:20 Q 0.5331 0.073 10,000
16:07:12 Q 0.5331 0.073 10,000
16:07:04 Q 0.5331 0.073 10,000
16:06:51 Q 0.5331 0.073 25,000