CMCSA Averages

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From the Weekend Report 11/12/2010: CMCSA is now in phase two of the oscillation cycle around the 200 session average. The price is 13.00 % above the line, but some convergence has taken place during the week.

CMCSA: Recent Averages with Candlestick Chart.

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This page looks at the predictive abilities of different methods of averaging applied to CMCSA stock prices. Techniques available include moving weighted or exponential averages of various periods and the family of MACD (Moving Average Convergence Divergence) indicators.

Unfortunately, some of the most popular indicators of this type can prove to be the worst forcasting indicators. The effectiveness of these methods as applied to CMCSA stock price trend evaluation is tested on the next page.

The 200 session average is red, the 20 bar, green. The un-sophisticated moving averages plotted here are un-weighted, but they still may return better results than many of the more popular, highly tuned averages seen in some of the following sections. It is always possible to fine tune an exponential or other weighted average so that it seems to outperform a simple average in a given situation. However, over-tuning can increase false and misleading indicators. Norman Fosback pointed out that a legitimate signal should be one that is clearly evident through a variety of averaging methods.

Companies In the News

Friday, November 12, 2010: We have news on Cree, Inc., ticker symbol CREE. Signs of an over-bought condition have become noticable. Also, there are breaking events concerning Intel and PetSmart, Inc.

From the News Archive: (11/11/2010 ) Favorable events happened at Exxon Mobil, Ingersoll-Rand Company Limited, and Concur Technologies, Inc.. Meanwhile, bad news came from International Game Technology.

MACD analysis is dangerously suited for overtuning, since it may use any of an infinite number of averaging methods and coefficients. In addition to crossover signals based on moving averages, many analysts add a trigger line which is based on some average of the first two averages. Here we depict the results of 12 and 26 session Exponential Moving Averages. The exponential coefficient used here is .18. There is nothing magic about these parameters, but these are frequently seen.

Float the cursor for a longer term chart.

Moving Average Convergence Divergence, or MACD, produces buy or sell signal that are color tinted here.

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Moving Avg. 20/200 Divergence	Signaled Appreciation minus non-signaled Appreciation	Annualized %
Buy Signals - 18 instances
Future30SesAvgClose	2.75 % minus 1.02 % = 1.73 %	14.64 %
Future5SesAvgClose	1.44 % minus 0.21 % = 1.23 %	62.46 %
Future2SesAvgClose	0.06 % minus 0.11 % = -0.05 %	-5.84 %
Sell Signals - 18 instances
Future30SesAvgClose	1.69 % minus 1.02 % = 0.67 %	5.67 %
Future5SesAvgClose	-1.34 % minus 0.21 % = -1.55 %	-78.95 %
Future2SesAvgClose	-0.96 % minus 0.11 % = -1.07 %	-136.25 %
	.
Moving Avg. 5/20 Divergence	Signaled Appreciation minus non-signaled Appreciation	Annualized %
Buy Signals - 168 instances
Future30SesAvgClose	1.08 % minus 1.02 % = 0.06 %	0.50 %
Future5SesAvgClose	0.64 % minus 0.21 % = 0.43 %	21.66 %
Future2SesAvgClose	0.22 % minus 0.11 % = 0.11 %	13.43 %
Sell Signals - 169 instances
Future30SesAvgClose	0.19 % minus 1.02 % = -0.83 %	-7.02 %
Future5SesAvgClose	-0.32 % minus 0.21 % = -0.53 %	-26.91 %
Future2SesAvgClose	-0.12 % minus 0.11 % = -0.23 %	-29.02 %
	.
Moving Avg. 5/200 Divergence	Signaled Appreciation minus non-signaled Appreciation	Annualized %
Buy Signals - 47 instances
Future30SesAvgClose	2.99 % minus 1.02 % = 1.97 %	16.66 %
Future5SesAvgClose	1.57 % minus 0.21 % = 1.36 %	69.11 %
Future2SesAvgClose	0.94 % minus 0.11 % = 0.83 %	105.15 %
Sell Signals - 47 instances
Future30SesAvgClose	1.11 % minus 1.02 % = 0.09 %	0.79 %
Future5SesAvgClose	-0.45 % minus 0.21 % = -0.67 %	-33.81 %
Future2SesAvgClose	-0.84 % minus 0.11 % = -0.95 %	-120.56 %
	.
MACD 12/26 Divergence	Signaled Appreciation minus non-signaled Appreciation	Annualized %
Buy Signals - 538 instances
Future30SesAvgClose	1.04 % minus 1.02 % = 0.01 %	0.12 %
Future5SesAvgClose	0.10 % minus 0.21 % = -0.11 %	-5.81 %
Future2SesAvgClose	-0.03 % minus 0.11 % = -0.14 %	-17.84 %
Sell Signals - 538 instances
Future30SesAvgClose	1.09 % minus 1.02 % = 0.07 %	0.58 %
Future5SesAvgClose	0.20 % minus 0.21 % = -0.01 %	-0.69 %
Future2SesAvgClose	-0.01 % minus 0.11 % = -0.12 %	-15.50 %
	.
MACD 12/26 Signal	Signaled Appreciation minus non-signaled Appreciation	Annualized %
Buy Signals - 720 instances
Future30SesAvgClose	1.04 % minus 1.02 % = 0.02 %	0.19 %
Future5SesAvgClose	0.29 % minus 0.21 % = 0.08 %	3.99 %
Future2SesAvgClose	0.16 % minus 0.11 % = 0.05 %	5.97 %
Sell Signals - 720 instances
Future30SesAvgClose	0.97 % minus 1.02 % = -0.05 %	-0.46 %
Future5SesAvgClose	0.20 % minus 0.21 % = -0.01 %	-0.48 %
Future2SesAvgClose	-0.01 % minus 0.11 % = -0.12 %	-15.44 %
	.
Calibrated M by Q Half Cycle Moving Avg.	Signaled Appreciation minus non-signaled Appreciation	Annualized %
Buy Signals - 310 instances
Future30SesAvgClose	1.20 % minus 1.02 % = 0.18 %	1.52 %
Future5SesAvgClose	0.36 % minus 0.21 % = 0.15 %	7.54 %
Future2SesAvgClose	0.26 % minus 0.11 % = 0.15 %	19.10 %
Sell Signals - 310 instances
Future30SesAvgClose	1.56 % minus 1.02 % = 0.53 %	4.53 %
Future5SesAvgClose	0.39 % minus 0.21 % = 0.18 %	9.09 %
Future2SesAvgClose	0.09 % minus 0.11 % = -0.02 %	-2.66 %
	.
Calibrated M by Q Full Cycle Moving Avg.	Signaled Appreciation minus non-signaled Appreciation	Annualized %
Buy Signals - 205 instances
Future30SesAvgClose	0.44 % minus 1.02 % = -0.58 %	-4.92 %
Future5SesAvgClose	0.10 % minus 0.21 % = -0.11 %	-5.81 %
Future2SesAvgClose	0.11 % minus 0.11 % = 0.00 %	-0.18 %
Sell Signals - 206 instances
Future30SesAvgClose	0.85 % minus 1.02 % = -0.17 %	-1.46 %
Future5SesAvgClose	0.21 % minus 0.21 % = 0.00 %	-0.12 %
Future2SesAvgClose	0.05 % minus 0.11 % = -0.05 %	-6.91 %
	.
Projected Crossing of SMA 20/200.	Signaled Appreciation minus non-signaled Appreciation	Annualized %
Buy Signals - 34 instances
Future30SesAvgClose	2.42 % minus 1.02 % = 1.40 %	11.82 %
Future5SesAvgClose	0.78 % minus 0.21 % = 0.57 %	29.03 %
Future2SesAvgClose	0.86 % minus 0.11 % = 0.75 %	95.57 %
Sell Signals - 22 instances
Future30SesAvgClose	2.03 % minus 1.02 % = 1.00 %	8.51 %
Future5SesAvgClose	0.82 % minus 0.21 % = 0.60 %	30.67 %
Future2SesAvgClose	0.86 % minus 0.11 % = 0.75 %	95.37 %
	.
Projected Crossing of SMA 5/20.	Signaled Appreciation minus non-signaled Appreciation	Annualized %
Buy Signals - 197 instances
Future30SesAvgClose	0.68 % minus 1.02 % = -0.34 %	-2.86 %
Future5SesAvgClose	0.01 % minus 0.21 % = -0.21 %	-10.49 %
Future2SesAvgClose	-0.22 % minus 0.11 % = -0.33 %	-41.74 %
Sell Signals - 168 instances
Future30SesAvgClose	0.67 % minus 1.02 % = -0.35 %	-2.99 %
Future5SesAvgClose	-0.30 % minus 0.21 % = -0.51 %	-25.81 %
Future2SesAvgClose	-0.19 % minus 0.11 % = -0.30 %	-37.59 %
	.

The best buy signal for 30 future sessions was 1.97 % from the Moving Avg. 5/200 Divergence,and the best sell signal for was -0.83 % from the Moving Avg. 5/20 Divergence.

For 5 future sessions the best buy signal was 1.36 % from the Moving Avg. 5/200 Divergence,and the best sell signal was -1.55 % from the Moving Avg. 20/200 Divergence.

The best buy signal for 2 future sessions was 0.83 % from the Moving Avg. 5/200 Divergence,and the best sell signal was -1.07 % from the Moving Avg. 20/200 Divergence.

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Moving Average Analysis for CMCSA Stock Prices