An abbreviation for Nippon Individual Savings Account — a Japanese tax-advantaged investment account that shelters dividends and capital gains up to set limits from taxation.
ＮＩＳＡ口座を開設して、投資信託を毎月購入しています。
I opened a NISA account and buy mutual funds every month.
今年から投資を始めるなら、まずＮＩＳＡの仕組みを調べたほうがいい。
If you're starting to invest this year, you should first look into how NISA works.
ＮＩＳＡ（少額投資非課税制度）は一定の投資枠が非課税になります。
NISA (the Nippon Individual Savings Account) makes investments up to a certain limit tax-free.