Nikkei Stock Average Volatility Index
22.36
-0.03 (-0.13%) 
Oct/19/2018(15:20)
Open
24.50
(09:00)
High
24.50
(09:00)
Low
22.32
(14:45)
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Related Information
Overview
The Nikkei Stock Average Volatility Index indicates the expected degree of fluctuation of the Nikkei stock Average in the future. The greater the index values are, the larger fluctuation investors expect in the market.
Underlying index
The Nikkei Stock Average Volatility Index signals the expected volatility of the Nikkei 225 in one month period.
Calculation method
The Nikkei Stock Average Volatility Index are calculated by using prices of Nikkei 225 futures and Nikkei 225 options on the Osaka Exchange (OSE). In the calculation, taking near-term future price as the basis of ATM, the volatility of near-term option and next-term option are calculated with OTM option prices of each delivery month. Then, the index value is calculated by linear interpolation or linear extrapolation between the volatilities of each delivery month to make the time to expiration as 30 days.
Base date
The commencement date of the calculation was November 19, 2010, which had been retroactively calculated in the past on the end-of-day basis, to June 12th, 1989. The index is currently calculated every 15 seconds during the day session of the Nikkei 225 options on the OSE.
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