Showing posts with label Index. Show all posts
Showing posts with label Index. Show all posts

Monday, November 28, 2022

Corning's Volatility Compared to the Vanguard S&P 500 Index ETF

Here's the histogram of Corning's (GLW) monthly returns between June 2019 and October 2022 (Click on the image to see a larger version):

Exhibit: Corning's Monthly Returns Fell at or below 2.56% for the Majority of the Months

Data Provided by IEX Cloud, Author Calculations

There were 14 months between June 2019 and October 2022 when Corning's monthly returns were greater than 2.56%.  There were seven months when the monthly returns were greater than or equal to 11.5%.    

Corning's monthly returns have a high positive correlation of 0.66 with the monthly returns of the Vanguard S&P 500 Index ETF (VOO). 

Exhibit: The Vanguard S&P 500 Index and Corning Monthly Returns [June 2019 - October 2022]

Data Provided by IEX Cloud, Monthly Returns Calculated by the Author, Graph using RStudio 

A linear regression of the Vanguard S&P 500 Index ETF and Corning's monthly returns yields a beta of 1.03 for Corning. Corning's average monthly return will mirror the Vanguard S&P 500 Index ETF. Corning may not help diversify a portfolio and will not protect against the market's volatility.  

Here's the linear regression model:

> # Conduct the Linear Regression of the Monthly Returns Between $VOO and $GLW

> lmVOOGLW = lm(GLW_Monthly_Return~VOO_Monthly_Return, data = VOOandGLW)

> # Present the summary of the results from the linear regression

> summary(lmVOOGLW)

Call:

lm(formula = GLW_Monthly_Return ~ VOO_Monthly_Return, data = VOOandGLW)

Residuals:

      Min        1Q      Median     3Q       Max 

   -0.118363 -0.050928 -0.009998  0.041106  0.187435 

Coefficients:

                   Estimate     Std. Error   t value   Pr(>|t|)    

(Intercept)        -0.003778     0.010818    -0.349    0.729    

VOO_Monthly_Return  1.039148     0.188256     5.520    2.4e-06 ***

---

Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1


Residual standard error: 0.06823 on 39 degrees of freedom

Multiple R-squared:  0.4386, Adjusted R-squared:  0.4242 

F-statistic: 30.47 on 1 and 39 DF,  p-value: 2.403e-06

The coefficient for VOO_Monthly_Return [1.039148] is the beta for Corning.  The p-value is significant at a 95% confidence interval. The adjusted R-squared is 0.42, which means about 42% of Corning's average monthly return is explained by the Vanguard S&P 500 Index ETF returns.     

Tuesday, September 20, 2022

Linear Regression of Monthly Returns of Cisco Systems and the Vanguard S&P 500 Index ETF

Here is the graph of monthly returns of Cisco Systems (CSCO) plotted against Vanguard S&P 500 Index ETF (VOO):

Exhibit 1: Monthly Returns of Cisco Systems and Vanguard S&P 500 Index ETF [June 2019 -  August 2022]

Monthly Returns of the Vanguard S&P 500 Index ETF and Cisco Systems
Monthly Returns of the Vanguard S&P 500 Index ETF and Cisco Systems Inc.

(Source: RStudio, ggplot, Data Provided by IEX Cloud)

Results of the linear regression of monthly returns of Cisco Systems against Vanguard S&P 500 Index ETF:

VOOandCSCO <- read_excel("/CSCO_VOO_LM_September_2022.xlsx", sheet = "Sheet1")
lmCSCOVOO = lm(CSCO_Monthly_Return~VOO_Monthly_Return, data = VOOandCSCO)
summary(lmCSCOVOO)

Call:
lm(formula = CSCO_Monthly_Return ~ VOO_Monthly_Return, data = VOOandCSCO)

Residuals:
      Min        1Q    Median        3Q       Max 
-0.156924 -0.031998 -0.008248  0.038045  0.127839 

Coefficients:
                   Estimate Std. Error t value Pr(>|t|)    
(Intercept)        -0.01062    0.01049  -1.012    0.318    
VOO_Monthly_Return  0.91708    0.18946   4.841 2.31e-05 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.06426 on 37 degrees of freedom
Multiple R-squared:  0.3877, Adjusted R-squared:  0.3712 
F-statistic: 23.43 on 1 and 37 DF,  p-value: 2.306e-05

The slope of the regression corresponds to the beta of the stock. In this case, Cisco Systems has a beta of 0.91. 
The adjusted R-squared is 0.37. About 37% of Cisco's monthly return is explained by the returns of the S&P 500 index.  
Cisco Systems cannot protect a portfolio against market volatility since it has a beta value close to 1. Cisco's stock will almost entirely reflect the volatility in the market.      

 

Monday, September 5, 2022

Linear Regression of Monthly Returns of Colgate-Palmolive against Vanguard S&P 500 Index ETF

Here is the graph of monthly returns of Colgate-Palmolive (CL) plotted against Vanguard S&P 500 Index ETF (VOO):

Exhibit 1: Monthly Returns of Colgate-Palmolive and Vanguard S&P 500 Index ETF [June 2019 -  August 2022]

(Source: RStudio, ggplot, Data Provided by IEX Cloud)

Results of the linear regression of monthly returns of Colgate-Palmolive against Vanguard S&P 500 Index ETF:

> VOOandCL <- read_excel("/CL_VOO_LM_September_2022.xlsx", sheet = "Sheet1")
lmCLVOO = lm(CL_Monthly_Return~VOO_Monthly_Return, data = VOOandCL)

> summary(lmCLVOO)

Call:
lm(formula = CL_Monthly_Return ~ VOO_Monthly_Return, data = VOOandCL)

Residuals:
      Min        1Q    Median        3Q       Max 
-0.084505 -0.025451  0.002263  0.028820  0.122836 

Coefficients:
                    Estimate Std. Error t value Pr(>|t|)   
(Intercept)        0.0002236  0.0067940   0.033  0.97392   
VOO_Monthly_Return 0.3471172  0.1226847   2.829  0.00749 **
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.04161 on 37 degrees of freedom
Multiple R-squared:  0.1779, Adjusted R-squared:  0.1557 
F-statistic: 8.005 on 1 and 37 DF,  p-value: 0.007492

The slope of the regression corresponds to the beta of the stock. In this case, Colgate-Palmolive has a beta of 0.34. 
The adjusted R-squared is 0.15. About 15% of Colgate-Palmolive's return is explained by the returns of the S&P 500 index.  
Colgate-Palmolive can protect a portfolio against market volatility since it has a beta value substantially less than 1.    

 

Friday, January 28, 2022

Invest in an Equal-Weight ETF in these Turbulent Times.

The S&P 500 index is market-capitalization-weighted. The weighting by market cap means the companies with the largest market capitalization (Market capitalization = Number of shares outstanding x Share Price) get the highest weight. Last year, this method for calculating the index made the five largest companies by market cap account for 23% of the index. That is just 5 out of the 500 companies accounting for about a quarter of the market capitalization. These five companies were: Apple, Microsoft, Alphabet (Google), Amazon, and Facebook (Meta). When the share price of these companies starts underperforming, the market takes a huge tumble. We can see that happening now. The S&P 500 index (VOO) is down about 9.72% (pre-market on January 28), while the S&P 500 equal-weighted ETF (RSP) is down 7.48% (See Exhibit 1: Invesco Equal-Weight ETF Beats Vanguard S&P 500 Market-Cap Weighted ETF). That is a difference in the performance of 224 basis points. In essence, the equal-weight ETF outperformed the market-cap ETF. The dividend yield is about the same for both ETFs. The Invesco Equal-Weight ETF charges a higher expense ratio than the Vanguard S&P 500 ETF. Invesco charges 20 basis points (bps) or 0.2%, while the Vanguard S&P 500 ETF (VOO) charges three bps or 0.03%. Invesco charges 7x more than the Vanguard ETF. Even after deducting the extra expense of investing in the Invesco ETF, it comes ahead in performance by over 200 bps.  

The era of big-tech is coming to an end due to more regulation and their size inhibiting growth. At least for now, Apple seems to be bucking the trend after reporting blockbuster results yesterday. Interest rates are also rising, putting pressure on valuation because future earnings will be discounted at a higher interest rate. It may be good to have a position in the Invesco Equal-Weight ETF (RSP) during these times. 

     Exhibit 1: Invesco Equal-Weight ETF Beats Vanguard S&P 500 Market-Cap Weighted ETF
(Source: Seeking Alpha)
Also, there may be other equal-weight ETFs in the market. I am aware of Invesco's ETF, so I have invested in it. I am not endorsing the Invesco ETF. 

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