BlackRock cautions that prolonged low or negative interest rates may reduce returns and disrupt dividend distributions

Quotes that support claims

During periods of very low or negative interest rates, the Fund may be unable to maintain positive returns or pay dividends to Fund shareholders. The Fund may be subject to a greater risk of rising interest rates during a period of historically low interest rates. Changing interest rates may have unpredictable effects on markets, may result in heightened market volatility and may detract from the Fund’s ability to achieve its investment objective.

◾ Interest Rate Risk — Interest rate risk is the risk that the value of a debt security may fall when interest rates rise.