Hongyun will be opened on 4th, 2008 and redeemed within 4 working days. According to relevant information, Hongyun is an open-end fund of Postal Savings Bank, and the redemption time of this open-end fund is 4 working days, and the redemption time of other overseas funds is within 10 working days. Open-end fund, also known as * * * mutual fund, refers to a fund operation mode that fund sponsors can sell fund shares or shares to investors at any time according to their needs when setting up a fund, and can redeem the fund shares or shares issued externally at the request of investors.