Looking today at week-over-week shares outstanding changes among the universe of ETFs covered at ETF Channel, the largest inflow was seen in the Proshares Ultra VIX Short-Term Futures ETF (UVXY), which added 5,150,000 shares, or a 115.5% increase week over week. And on a percentage change basis, the ETF with the largest increase in inflows was the KBW Capital Markets Portfolio (KBWC), which added 50,000 shares, for a whopping 100.0% increase in outstanding shares.