March heating oil prices traded lower throughout the early morning hours but remained mostly in the upper portion of yesterday's range. March heating oil prices continue to bounce around in a bullish wedge pattern, which offers a level of resistance above at $3.2224. March heating oil prices do not seem to have embraced the recent positive shift in US economic data and outside market optimism toward Greece. While the chart pattern projects higher prices, the key will be confirmation of the move above resistance.