What is the 5 Day & 30 Day Return Histogram? The last graph above two large tables is the SPX 5 day and 30 day return histograms. These reflect the percent return over the last 5-days and the last 30-days. The y-axis reflects the number of days while the x-axis reflects the daily return for the specific index or ETF per day. On the bars chart, the area in blue reflects the 30-day returns and red reflects the 5-day returns. We are looking to see if there are more shifts to the right or left. If the 30-day returns are to the left, but then 5-day returns are skewed to the right, then that can affect how we want to position (either by playing the breakout or momentum trading against the recent strength). This returns chart can be valuable for seeing the return returns for the core Index and ETF products in one view. SpotGamma Subscribers can access this chart for the SPX, SPY, NDX, QQQ, RUT and IWM. Related articles What is the index Concentration Table? What is the index Strike Table? What is the Options Risk Reversal index chart? What is the Options Clearing Corporation (OCC) Indicator? What is the Realized Volatility index chart?