Back to list of Stocks    See Also: Fourier Analysis of ZNHGenetic Algorithms Stock Portfolio Generator, and Best Months to Buy/Sell Stocks

Seasonal Analysis of ZNH (China Southern Airlines Company Limited)


Seasonal Analysis

Using data from 7/30/1997 to 7/26/2021 for ZNH (China Southern Airlines Company Limited), this program was able to calculate the following historical seasonal cycles for this stock:
Historically, the best month to buy ZNH is September
Historically, the best month to sell ZNH is November

In January, ZNH is historically up by 0.41%
In February, ZNH is historically up by 1.70%
In March, ZNH is historically down by -4.24%
In April, ZNH is historically down by -0.82%
In May, ZNH is historically down by -3.27%
In June, ZNH is historically up by 0.22%
In July, ZNH is historically up by 1.24%
In August, ZNH is historically up by 1.42%
In September, ZNH is historically down by -4.88%
In October, ZNH is historically down by -1.22%
In November, ZNH is historically up by 7.22%
In December, ZNH is historically up by 2.22%

Right click on the graph above to see the menu of operations (download, full screen, etc.)

See Also: Fourier Analysis of ZNH
 
 
General Statistics
Number of Data Points1251
Start Date of Data7/30/1997
End Date of Data7/26/2021
Minimum Value of Adjusted Close2.06
Maximum Value of Adjusted Close65.48
Average Value of Adjusted Close18.93
Median Value of Adjusted Close16.12
Standard Deviation of Adjusted Close12.27
Coefficient of Variation for Adjusted Close 64.79%
  Notes: "Adjusted Close" means closing price was adjusted for splits and dividends; Weekly (not daily) Adjusted close price was used for calculations; 
The average ("mean") and median are measures of central tendency.

For the given time period, the price of ZNH tends towards a value in the vicinity of 18.93 (the mean) and 16.12 (the median).

Standard Deviation and Coefficient Of Variation are measures of dispersion. These can be used to measure the volatility (risk) of a security, and also to estimate the expected ranges of the price.

Assuming a normal distribution, we expect to see 68% of values within one Standard Deviation of the mean (average), 95% of the values within two standard deviations of the mean, and 99% of the values within three standard deviations of the mean.

If the price of ZNH goes above 31.20 (mean + 1 standard deviation) or below 6.67 (mean - 1 standard deviation), then the reader is urged to investigate further for a possible buying or selling opportunity.

If the price of ZNH goes above 43.47 (mean + 2 standard deviations), then the reader is urged to investigate further as this would be an unusual event.



Back to list of Stocks