"I lost 350 million won, I'm out"… Stock discussion boards wailing as KOSPI rallies

The representative leverage inverse product 'KODEX 200 Futures Inverse 2X' ended trading at 517 KRW today, hitting an all-time low. It has fallen for 9 consecutive days, with a drop of over 95% from its peak. Another inverse product, 'KODEX Inverse,' also hit a record low of 2,235 KRW. Retail investors who couldn't stomach the losses are panic selling. On stock discussion boards, posts like 'I'm leaving after losing everything' are popping up along with claims of hundreds of millions in losses. One investor declared they're quitting after losing over 350 million KRW, and many others are posting 'loss certifications' in the millions.