alvarez/E+ via Getty Images ConocoPhillips (NYSE:COP) stock is -4.3% during the past year and has significantly underperformed both the S&P 500 (+19.5%) and The Energy Select Sector SPDR Fund ETF (XLE), which is +5.4%. In Q1, COP's earnings of $2.03/share were down $0.35/share from the year earlier period. That was primarily due to lower average realized pricing ($56.60/boe vs. $60.86/boe) as Henry Hub natural gas realizations dropped from $2.92/Mcf to $1.57/Mcf. And domestic natural gas pricing continues t ...