MEMO① index

VIX

http://jp.investing.com/indices/volatility-s-p-500

VIX_Future

http://www.investing.com/indices/us-spx-vix-futures

SP500

http://www.investing.com/indices/us-spx-500

SPX500

http://jp.investing.com/indices/us-spx-500-futures

SPVIXSTR

http://www.bloomberg.co.jp/apps/quote?T=jp09/quote.wm&ticker=SPVIXSTR:IND

USD/JPY

http://jp.investing.com/currencies/usd-jpy

NK225

http://jp.investing.com/indices/japan-225-futures