The late Yale Hirsch (Stock Trader’s Almanac) has long been known for identifying the six-month periods of positive and negative seasonality in the stock market. The positive period is November through April, and the negative period is May through October. We are currently in a positive period, which has one more month to go. Unfortunately, the OBV (On-Balance Volume) chart is saying that April may not be all that positive. The chart below shows the...