Short Interest in Invesco DWA SmallCap Momentum ETF Rises by 32.5% The Invesco DWA SmallCap Momentum ETF experienced a significant rise in short interest, climbing 32.5% in February. The total short interest reached 10,600 shares by the month's end, up from 8,000 earlier. Despite this, the ETF's stock has shown resilience, opening at $79.22 on Monday, up 3.6%.1