Let's check out the charts of Southwest.
In the daily bar chart of LUV, below, we can see that the shares have been flying higher the past 12 months. Prices are trading above the rising 50-day moving average line. The 200-day moving average line has a positive slope.
The On-Balance-Volume (OBV) line has been positive since early August and confirms the price gains. The Moving Average Convergence Divergence (MACD) oscillator looks poised for an upside crossover and buy signal.