The Nikkei Average Volatility Index rose. Although it was firm in morning trading following the previous day's upward trend, Nikkei 225 futures softened in the afternoon, strengthening caution over rising volatility.
The Nikkei Average Volatility Index (Nikkei VI) rose 0.36 points from the previous day to 36.08, while Nikkei 225 futures remained firm in morning trading.
In the afternoon, however, Nikkei 225 futures continued to weaken, widening the Nikkei VI's gain and slightly intensifying caution over rising volatility.
Against the backdrop of movements in US stocks the previous day, the market was focused on intraday futures movements and changes in the Nikkei VI's volatility.