SCYB is an FX-G10 member-only fund, holding USD-denominated, fixed coupon-bearing corporate high-yield bonds with at least one year to maturity. The index caps each issuer at 2% but may include an unlimited number of issues. The FX-G10 countries include all Euro members, the US and United Kingdom, Canada, Australia, New Zealand, Switzerland, Norway, Sweden, and Japan. Investments may also include callable perpetual and fixed-to-floating rate securities. In addition, a fifth of the portfolio may consist of non-index constituents and highly liquid securities issued by the US government. Derivatives such as futures contracts may also be utilized to manage interest rates. The index rebalances monthly.