Fed hiked rates from 0 to 2.5%, the dividends on that fund went from 0 cents to around 20 cents per month now. That's all income compounding.
Browse Stacks: Business: Interest Rates: slopechart_SHV.jpg
SlopeCharts adjusts for dividends and splits (it's the default setting under the General Tab in Preferences) and that's what I used. The OBV shows increased buying interest early last year when stocks started tanking, and then even more starting last fall. Safe haven buying?