SK Group Chairman Chey Tae-won has secured critical breathing room in his decade-long divorce saga after filing a last-minute appeal to the Supreme Court against a 944 billion-won ($668 million) divorce settlement. But the move leaves him with a fresh question: how to raise the cash. Chey's side filed the appeal Friday, shortly before the midnight deadline, extending the legal battle that began in 2017 into what could become a decade-long dispute. The appeal also shields Chey from late-payment interest of about 130 million won a day, which would otherwise add another significant financial burden. In July, the Seoul High Court ordered Chey to pay 944 billion won to his former wife, Roh Soh-yeong, in cash, as part of their property division. Chey's most immediate option is a stock-backed loan. Chey owns a 17.9 percent stake in SK Inc., the group's holding company, making him its largest shareholder. At a recent share price of 585,000 won, the stake is valued at roughly 7.6 trillion won, providing substantial collateral for financing. The problem is that borrowing against the shares could exp