NumXL is an Excel add-in which streamlines financial modeling and time series analysis, making it simpler to forecast and scrutinize data. It offers easy econometrics for effortless data analysis.

If you're looking for a comprehensive Excel add-in for econometric and data analysis, look no further than NumXL. Designed specifically for finance modeling and time series analysis, NumXL streamlines your data work right within Excel. With an intuitive user interface, advanced econometric analysis is only a few clicks away.
With NumXL, you can easily analyze, build, validate, back-test, and forecast your models. The functions are organized into 11 categories to make it easy for you to find what you need: descriptive statistics, statistical tests, transformation, smoothing, ARMA analysis, ARCH/GARCH analysis, combo models, factor analysis, date/calendar, utilities, and spectral analysis.
Whether you need a histogram, Q-Q plotting, an autocorrelation function, mean, standard deviation, skew, kurtosis, normality, serial correlation (white-noise), ARCH effect, stationary and ADF unit root test, BoxCox, difference, integral operators, weighted moving average, exponential smoothing, trend, conditional mean modeling (ARMA/ARIMA/ARMAX), AirLine, U.S. Census X-12-ARIMA support, conditional volatility and heteroskedasticity modeling (ARC/GARCH/E-GARCH/GARCH-M), log-likelihood, AIC, residuals diagnosis, parameters' constraints check, forecast, weekday and holiday calculations, interpolation, statistical functions or Discrete Fourier Transform, NumXL has you covered.
NumXL Pro is compatible with all Excel versions from '97 to 2013 (34-bit and 64-bit) and with Windows 9x through Windows 8 systems, so you can be sure it will work with your current setup.
Whether you're a seasoned economist or just starting out with data analysis, NumXL is a powerful tool that will make your work easier and more efficient. Additionally, you can track and make changes to your data and share your analysis, modeling, and results all in one file, making collaboration easier than ever before.
In conclusion, NumXL provides an effective and user-friendly solution to all your econometric and data analysis needs. With advanced features and compatibility with multiple Excel versions and Windows systems, it is the ideal choice for anyone looking to streamline their data work and boost their productivity.
Version 1.68.7.1:
Fixed: Code signed all executables in the NumXL distribution using the renewed code signing certificate.
Enhanced: Updated third-party software components (e.g., Intel One API MKL 2023.2, X-13ARIMA-SEATS, etc.).
Version 1.68.7:
Fixed: Code signed all executables in the NumXL distribution using the renewed code signing certificate.
Enhanced: Updated third-party software components (e.g., Intel One API MKL 2023.2, X-13ARIMA-SEATS, etc.).
Version 1.68.6:
[Fixed] In a few cases, the output series values are not updated when the X-13ARIMA-SEATS model’s specification(s) are changed.
[Changed] Updated the X-13ARIMA-SEATS to the latest version, 1.1 Build 59.
[Fixed] The NxFlatten(.) returns an error if any X or Y levels are not numbers.
Version 1.68.5:
[Fixed] In a few cases, the output series values are not updated when the X-13ARIMA-SEATS model’s specification(s) are changed.
[Changed] Updated the X-13ARIMA-SEATS to the latest version, 1.1 Build 59.
[Fixed] The NxFlatten(.) returns an error if any X or Y levels are not numbers.
Version 1.68.4:
The -1 (not 0) index now refers to the last element in NxSubset
New interpolation methods:
Nearest Neighbor in NxINTRPL
Nearest Neighbor in NxINTRPL2D
Fixed:
NxNWKDY fails to return the last weekday occurrence in a given month
NxIsWeekend fails to report dates that fall on weekend