NISA Investment Advisors Pension Surplus Risk index fell 50 basis points last month to 10.1% as of July 31. The index is a forward-looking estimate of the funded status volatility of the 100 largest corporate plans as determined by NISA from publicly available information. According to NISA, the drop in July was driven by a decrease in return-seeking asset volatility during the month.
Additional information on the index can be found here: PSRX index
