The open-end mutual fund structure has been around since the 18th century, thanks to a Dutch merchant. Mutual funds were introduced to the United States in the 1890s and gained popularity in the 1920s. The modern mutual fund has forgone additional changes to satisfy regulations. Currently, most retail assets are managed in open-end mutual funds.…

ETF expense ratios are usually significantly lower than similar mutual fund competitors. That’s not surprising, given ETF providers do not have to perform in-house accounting, budget for marketing costs, and pay enormous fees for asset managers. But not all ETFs cost the same for issuers to manage because of differences in methodology, liquidity, and composition.…