When the Network Becomes Destiny: How This Summer's Convertible-Bond Rush Reveals the Retailization Pattern
In the first half of 2026, Korean investors exercised ₩3.24 trillion of equity-linked bonds through the Korea Securities Depository — up 21.7% from the prior half, across 3,166 separate exercises (+10.7%). Buried in that total is a sharper signal: exchangeable-bond (EB) conversions alone surged 95.7%, from ₩0.83 trillion to ₩1.62 trillion in six months. That single line drove most of the increase. Convertible bonds (CB), exchangeable bonds (EB), and warrant bonds (BW) are the everyday financing tools of lower-rated companies — disproportionately KOSDAQ small-caps. The instrument is elegant and quiet: if the stock disappoints, the holder collects interest; if the stock rises, the holder converts and captures the gain. The asymmetry is structural. The bondholder — often the issuer’s insiders or the funds that underwrote the paper — decides when to convert, armed with the best possible read of the company. The retail investor who bought the stock during its run-up decides nothing. They s...