By that chart, we get a largely sad pattern (to the extent that we can count on a pattern of two), because the "real up" does not seem to come until the halvening has already taken place.
One year before and after the 1st halving:
https://bitcoincharts.com/charts/bitstampUSD#czsg2011-11-28zeg2013-11-28ztgSzm1g10zm2g25zl
One year before and after the 2nd halving:
https://bitcoincharts.com/charts/krakenUSD#czsg2015-07-09zeg2017-07-09ztgSzm1g10zm2g25zl
And in a downtrend during years two and three after the 1st halving:
https://bitcoincharts.com/charts/bitstampUSD#czsg2013-11-28zeg2015-11-28ztgSzm1g10zm2g25zl
That's how it looks until now starting with year two after the 2nd halving:
https://bitcoincharts.com/charts/bitstampUSD#czsg2017-07-09ztgSzm1g10zm2g25zl
After an extended uptrend, we're going sideways until now. Boring, I know.