"Overall volatility" refers to the overall unpredictability or instability of something. It describes the extent to which a particular situation, market, or entity experiences fluctuations or changes. Full definition
The ability to create a portfolio suited to your personal situation while reducing overall volatility presents an intriguing option for those willing to oversee their portfolio a little more closely. (mutualfunds.com)
A diversified core - satellite strategy could also produce lower overall volatility. (mutualfunds.com)
As overall volatility in the markets continues, we expect currency volatility to increase and therefore become more difficult to predict. (blackrockblog.com)