Safe. Because the issuer of national debt is the country, it has the highest credit and is recognized as the safest investment tool. Treasury futures came into being to meet the needs of investors to avoid interest rate risks under the background of the unstable financial market in the United States in the 1970s. Treasury bond futures are one of the most active financial futures in the world. On September 6, 20 13, treasury bonds futures were officially listed and traded on China Financial Futures Exchange.