With South Korean stocks stuck in a trading range, equity investors face a dilemma. Cutting exposure to guard against another selloff risks missing a rebound, while concentrating funds in volatile individual stocks carries its own burden. Analysts point to covered-call exchange-traded funds as an alternative, saying they offer monthly distributions along with the chance to capture price gains — but that investors need a careful strategy built on the specific features of each product.
Net assets in covered-call ETFs listed in South Korea rose to 27.74 trillion won ($19.2 billion) from 15.11 trillion won at the start of the year, according to the Korea Exchange on the 16th. That is nearly double in just 10 months. The expansion reflects demand for steady cash flow at a time when the market's direction is hard to predict.
Covered-call ETFs hold underlying assets such as stocks or equity indexes while selling call options to collect premiums. Even if the underlying assets do not rise much, the income from selling options can fund distributions. But if those assets surge, the fund gives up part of the gain because of the call options it sold, and in a falling market the premiums cushion losses only to a limited extent, leaving principal exposed.
A newer generation of covered-call ETFs has emerged to address those limits. Early products sold one-month call options against the full value of their holdings to maximize premiums, which capped gains when share prices rose. Second-generation funds lowered the share of options sold or used daily and weekly contracts and out-of-the-money options to balance distributions against participation in price gains. More recently, active funds that flexibly adjust both the share of options sold and their stock portfolios depending on market conditions have arrived, further refining the strategies available.
Fund flows show the shift. Over the past three months, KODEX 200 Covered Call Active drew net inflows of 891.2 billion won and TIGER Dividend Covered Call Active took in 851.2 billion won. Over the same period, TIGER U.S. Nasdaq 100 Target Daily Covered Call attracted 613.4 billion won and RISE Korea Value-up Weekly Fixed Covered Call 398.1 billion won, showing that investor choices have broadened across benchmark indexes, dividend stocks and U.S. technology shares.
The criteria for picking products are also changing. Early on, distribution yields of 15% to 20% a year were the main draw. Now a growing number of investors look at total return, including distributions, alongside the growth potential of the underlying assets. Even with steady payouts, actual performance can fall short of expectations if an ETF's net asset value keeps declining.
Lee Jung-hwan, head of the strategy ETF management division at Mirae Asset Global Investments, said the standard for choosing covered-call ETFs is shifting from distribution yield toward total return. "The market has matured a step further as people began asking not about the covered-call strategy itself but about which assets that strategy was layered on," he said.
Investors should also sort products by their own objectives. Those who prioritize a fixed monthly cash flow can consider high-payout funds that sell options aggressively. Investors with an eye on longer-term asset growth may prefer funds that sell fewer options and so retain more of the underlying assets' upside. Because a smaller share of options sold also means smaller premiums, the trade-off between distributions and participation in gains needs to be weighed.
Asset managers are working to develop strategies based on the timing of payouts. One approach now being suggested is to combine ETFs that pay out in mid-month and at month-end to secure cash roughly every two weeks. The structure involves holding several funds that each distribute once a month, spreading out the dates on which cash arrives.
In periods such as the present, with interest-rate uncertainty and stock-market volatility rising, the choice of underlying assets matters even more. Option premiums tend to rise when expected market volatility increases, which can improve the earning conditions for a covered-call strategy. But if a sharp rise in rates drives the underlying assets down steeply, premiums alone cannot make up the losses.
Jung Jae-wook, head of the third ETF management team at Samsung Asset Management, stressed that a volatile market can be an opportunity for covered-call strategies but is not always favorable. "If share prices plunge, option premiums alone are not enough to defend against losses, and conversely, if prices rise quickly, the opportunity cost of having sold options grows," the team head said.
Taxes are another factor that shapes returns. For domestic equity covered-call ETFs, distributions funded from tax-exempt sources — such as capital gains on locally listed shares and option premiums from exchange-traded derivatives — are not taxed. For overseas equity covered-call ETFs, by contrast, the taxable portion of distributions generally carries a 15.4% dividend income tax, making it worth considering the tax benefits of an Individual Savings Account or a pension account. Whether and how much tax applies varies by each product's distribution sources and the type of account.