Mirae Asset Investment Managers has launched ‘Mirae Asset Ultra Short Duration Fund’, a debt fund suitable for investors looking at making investments for a short period of 3 to 6 months. Mirae Asset Ultra Short Duration Fund is an open ended ultra-short term debt scheme investing in instruments such that the Macaulay duration of the portfolio is between 3 months to 6 months. The NFO opens for subscription today, on September 28 and will close on October 6. The scheme will predominantly invest in highly rated instruments of AAA/A+ rated papers.