Home Stock Ideas Quick Picks & Lists Summary Option overlay funds (mostly covered call ETFs) play a critical role in my income-oriented portfolio. Through these vehicles I can enhance my overall portfolio yield and obtain exposure to asset classes that tend to be underrepresented in income portfolios. In this context, NEOS Investments vehicles are my favorites. However, not all of these funds match my investment criteria. In the article I elaborate on 2 option income funds, which I wouldn't want to see in my portfolio. Anastasija Trofimova/iStock via Getty Images Covered call or buy-write funds have existed for more than two decades. One of the first covered call vehicles that has emerged in the form of an ETF was the Invesco S&P 500 BuyWrite Analyst’s Disclosure: I/we have no stock, option or similar derivative position in any of the companies mentioned, and no plans to initiate any such positions within the next 72 hours. I wrote this article myself, and it expresses my own opinions.…