Though this does not answer your question directly, there is one website screening page which I have used for several years. You will find loads of performance information for ETFs and ETNs over the past month, 3 months, 6 months, 1 year and 3 years. It is on Morningstar's website:
It includes a "Stylebox" symbol for each ETF or ETN showing its current "style"....whether it is predominately large-cap, mid-cap or small-cap. Also, at the current time whether it is predominately a value, blended, or growth style fund. One column gives the Trading Volume for the previous trading day....which can be valuable in letting one anticipate whether there will be a large or small bid/ask spread or slippage when you buy and also when you sell.
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