美国开出18亿美元彩票大奖！中奖者仅1人，身份未公布，最多可匿名3年！“可选择分30年领取18亿美元或一次性拿走8.3亿”

Core Viewpoint - The recent Powerball jackpot of $1.817 billion is the second highest in U.S. history and the highest for this year, with the winning ticket sold in Arkansas [2][4]. Group 1: Jackpot Details - The winning amount of $1.817 billion is approximately 127.7 billion RMB, with the ticket sold at a gas station in Little Rock, Arkansas [2][4]. - The winner has the option to receive the jackpot in two ways: either as an annuity over 30 years or as a lump sum of $834.9 million (approximately 58.5 billion RMB), both amounts being pre-tax [4]. Group 2: Annuity vs. Lump Sum - If the winner chooses the annuity option, they will receive an initial payment of over $27 million in the first year, increasing by 5% each subsequent year, reaching about $113 million in the 30th year [4]. - The implied discount rate for the annuity option is approximately 2.6%, which is significantly lower than the current yields on U.S. Treasury bonds (over 4% for 10-year bonds and 4.8% for 30-year bonds) [5]. - Choosing the annuity provides a guaranteed income stream for the next 29 years, regardless of future financial decisions [5].