WisdomTree's (WETF) latest (pdf) is the actively managed Global Corporate Bond ETF (GLCB). Unique in that it can invest in any corporate bond listed anywhere in the globally, GLCB charges 0.45%. Competing ETFs: Passive IBND (ER 0.55%) has significantly less emerging market and high yield exposure but has a similar intermediate duration. Active FWDB (ER 1.26%) is more similar geographically and credit grade-wise but mixes in non-corporate fixed income. RAVI (ER 0.25%) and MINT (ER 0.35%) are both actively managed but have much shorter durations and minimal high yield exposure. RAVI has no emerging exposure.