(Source: Portfolio Visualizer) I last wrote about ARK ETFs late last year and didn't focus much on them in the regular blog posts with the exception of introducing ARKX here. It has been almost a year and it's probably timely to do a review to see how these ARK ETFs stand this year and relook into the topic to determine if they are investible. Here is the YTD performance (till end September) for all the ARK ETFs with the exception of ARKX (as it was only incepted in Q2 this year). (Source: Portfolio Visualizer) At first glance, it's pretty disappointing. Most of the ARK ETFs are in the red zone with the exception of ARKQ. Among all the ARK ETFs, ARKG suffers the worst decline of -19.88%. Coincidentally, it is also the best performing ARK ETF in 2020. Hence, the volatility for ARKG is probably the highest here. So if you have...