VV251017C00230000 Option on Vanguard Large Cap

VV Etf  USD 316.71  0.55  0.17%   

Check out World Market Map to better understand how to build diversified portfolios, which includes a position in Vanguard Large Cap Index. Also, note that the market value of any etf could be closely tied with the direction of predictive economic indicators such as signals in unemployment.
You can also try the Efficient Frontier module to plot and analyze your portfolio and positions against risk-return landscape of the market..
The market value of Vanguard Large Cap is measured differently than its book value, which is the value of Vanguard that is recorded on the company's balance sheet. Investors also form their own opinion of Vanguard Large's value that differs from its market value or its book value, called intrinsic value, which is Vanguard Large's true underlying value. Investors use various methods to calculate intrinsic value and buy a stock when its market value falls below its intrinsic value. Because Vanguard Large's market value can be influenced by many factors that don't directly affect Vanguard Large's underlying business (such as a pandemic or basic market pessimism), market value can vary widely from intrinsic value.
Please note, there is a significant difference between Vanguard Large's value and its price as these two are different measures arrived at by different means. Investors typically determine if Vanguard Large is a good investment by looking at such factors as earnings, sales, fundamental and technical indicators, competition as well as analyst projections. However, Vanguard Large's price is the amount at which it trades on the open market and represents the number that a seller and buyer find agreeable to each party.