William Blair International Fund Market Value

WIISX Fund  USD 14.96  0.22  1.49%   
William Blair's market value is the price at which a share of William Blair trades on a public exchange. It measures the collective expectations of William Blair International investors about its performance. William Blair is trading at 14.96 as of the 28th of January 2026; that is 1.49 percent up since the beginning of the trading day. The fund's open price was 14.74.
With this module, you can estimate the performance of a buy and hold strategy of William Blair International and determine expected loss or profit from investing in William Blair over a given investment horizon. Check out William Blair Correlation, William Blair Volatility and William Blair Alpha and Beta module to complement your research on William Blair.
Symbol

Please note, there is a significant difference between William Blair's value and its price as these two are different measures arrived at by different means. Investors typically determine if William Blair is a good investment by looking at such factors as earnings, sales, fundamental and technical indicators, competition as well as analyst projections. However, William Blair'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.

William Blair 'What if' Analysis

In the world of financial modeling, what-if analysis is part of sensitivity analysis performed to test how changes in assumptions impact individual outputs in a model. When applied to William Blair's mutual fund what-if analysis refers to the analyzing how the change in your past investing horizon will affect the profitability against the current market value of William Blair.
0.00
10/30/2025
No Change 0.00  0.0 
In 2 months and 31 days
01/28/2026
0.00
If you would invest  0.00  in William Blair on October 30, 2025 and sell it all today you would earn a total of 0.00 from holding William Blair International or generate 0.0% return on investment in William Blair over 90 days. William Blair is related to or competes with Six Circles, Jpmorgan High, Lord Abbett, and Buffalo High. The fund normally invests at least 80 percent of its net assets in stocks of small capitalization companies More

William Blair Upside/Downside Indicators

Understanding different market momentum indicators often help investors to time their next move. Potential upside and downside technical ratios enable traders to measure William Blair's mutual fund current market value against overall market sentiment and can be a good tool during both bulling and bearish trends. Here we outline some of the essential indicators to assess William Blair International upside and downside potential and time the market with a certain degree of confidence.

William Blair Market Risk Indicators

Today, many novice investors tend to focus exclusively on investment returns with little concern for William Blair's investment risk. Other traders do consider volatility but use just one or two very conventional indicators such as William Blair's standard deviation. In reality, there are many statistical measures that can use William Blair historical prices to predict the future William Blair's volatility.
Sophisticated investors, who have witnessed many market ups and downs, anticipate that the market will even out over time. This tendency of William Blair's price to converge to an average value over time is called mean reversion. However, historically, high market prices usually discourage investors that believe in mean reversion to invest, while low prices are viewed as an opportunity to buy.
Hype
Prediction
LowEstimatedHigh
14.3214.9615.60
Details
Intrinsic
Valuation
LowRealHigh
14.1214.7615.40
Details
Naive
Forecast
LowNextHigh
14.3314.9715.60
Details
Bollinger
Band Projection (param)
LowerMiddle BandUpper
13.9214.3514.78
Details

William Blair January 28, 2026 Technical Indicators

William Blair Intern Backtested Returns

At this stage we consider William Mutual Fund to be very steady. William Blair Intern shows Sharpe Ratio of 0.15, which attests that the fund had a 0.15 % return per unit of risk over the last 3 months. We have found twenty-eight technical indicators for William Blair Intern, which you can use to evaluate the volatility of the fund. Please check out William Blair's Mean Deviation of 0.465, market risk adjusted performance of 0.9535, and Downside Deviation of 0.7179 to validate if the risk estimate we provide is consistent with the expected return of 0.1%. The entity maintains a market beta of 0.0612, which attests to not very significant fluctuations relative to the market. As returns on the market increase, William Blair's returns are expected to increase less than the market. However, during the bear market, the loss of holding William Blair is expected to be smaller as well.

Auto-correlation

    
  -0.27  

Weak reverse predictability

William Blair International has weak reverse predictability. Overlapping area represents the amount of predictability between William Blair time series from 30th of October 2025 to 14th of December 2025 and 14th of December 2025 to 28th of January 2026. The more autocorrelation exist between current time interval and its lagged values, the more accurately you can make projection about the future pattern of William Blair Intern price movement. The serial correlation of -0.27 indicates that nearly 27.0% of current William Blair price fluctuation can be explain by its past prices.
Correlation Coefficient-0.27
Spearman Rank Test-0.3
Residual Average0.0
Price Variance0.07

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Other Information on Investing in William Mutual Fund

William Blair financial ratios help investors to determine whether William Mutual Fund is cheap or expensive when compared to a particular measure, such as profits or enterprise value. In other words, they help investors to determine the cost of investment in William with respect to the benefits of owning William Blair security.
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