Here's this week's analysis of the 11 S&Psector exchange-traded funds. The real estate sector lags because REITs backed by malls are hurt when retail stores are shuttered. The energy sector is down year-to-date, as the surplus of oil inventories grow. The U.S. is exporting product offsetting supply cuts by OPEC.

Scorecard for the 11 ETFs:

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SPDR Dow Jones REIT ETF (RWR) - Get Report

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The weekly chart is positive. The ETF is above its key weekly moving average of $93.82, with weekly momentum rising to 75.42. Buy the ETF on weakness to my monthly value level of $91.91. Sell strength to my quarterly risky level of $94.74.

Materials Select Sector SPDR Fund (XLB) - Get Report

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The weekly chart is neutral. The ETF is above its key weekly moving average of $51.83, as weekly momentum slipped to 79.58, below the overbought threshold of 80.00. Buy on weakness to my quarterly value level of $44.49. Last week's high was a test of my monthly pivot of $53.18. Sell strength to my semiannual risky level of $55.87.

Industrial Select Sector SPDR Fund (XLI) - Get Report

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The weekly chart is positive but overbought. The ETF is above its key weekly moving average of $64.69, with weekly momentum at 90.63, above the overbought threshold of 80.00. Buy on weakness to my quarterly value level of $56.09. Last week's high was a test of my monthly pivot of $66.65. Sell strength to my annual risky level of $70.05.

Consumer Discretionary Select Sector SPDR Fund (XLY) - Get Report

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The weekly chart is positive, but overbought. The ETF is above its key weekly moving average of 85.34, with weekly momentum at 92.24, above the overbought threshold of 80.00. Buy on weakness to my quarterly value level of $84.35. My monthly pivot is $86.64. Sell strength to my annual risky level of $97.00.

Consumer Staples Select Sector SPDR Fund (XLP) - Get Report

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The weekly chart is positive but overbought. The ETF is above its key weekly moving average of $53.73, with weekly momentum at 91.67, above the overbought threshold of 80.00. Buy on weakness to my monthly value level of $51.55. My quarterly pivot is $53.48. Sell strength to my annual risky level of $58.03.

Energy Select Sector SPDR Fund (XLE) - Get Report

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The weekly chart is negative, with the ETF below its key weekly moving average and its 200-week simple moving average of $72.86, and $77.41, respectively. This capped the rally during the week of Dec. 16, as weekly momentum slipped to 52.08. Buy on weakness to my quarterly value level of $59.87. Sell strength to my monthly risky level of $74.10.

Financial Select Sector SPDR Fund (XLF) - Get Report

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The weekly chart is positive but overbought. The ETF is above its key weekly moving average of $23.97, with weekly momentum at 91.59, above the overbought threshold of 80.00. Buy on weakness to my annual value level of $23.65. My monthly pivot of $25.07 was tested last week. Sell strength to my semiannual risky level of $25.87.

Health Care Select Sector SPDR Fund (XLV) - Get Report

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The weekly chart is positive but overbought. The ETF is above its key weekly moving average of $72.66, with weekly momentum at 89.65, above the overbought threshold of 80.00. Buy on weakness to my quarterly value level of $72.65. Sell strength to my annual risky level of $78.09.

Utilities Select Sector SPDR Fund (XLU) - Get Report

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The weekly chart is positive but overbought. The ETF is above its key weekly moving average of $49.80, with weekly momentum at 89.65, above the overbought threshold of 80.00. Buy on weakness to my quarterly value level of $46.26. My annual pivot is $50.72. Sell strength to my semiannual risky level of $54.29.

Technology Select Sector SPDR Fund (XLK) - Get Report

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The weekly chart is positive but overbought. The ETF is above its key weekly moving average of $51.20, with weekly momentum at 97.36, above the overbought threshold of 80.00. Buy on weakness to my quarterly value level of $46.95. My annual pivot is $50.72. Sell strength to my semiannual risky level of $53.45.

iShares Transportation Average ETF (IYT) - Get Report

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The weekly chart is positive but overbought. The ETF is above its key weekly moving average of $168.13, with weekly momentum ended at 82.34, above the overbought threshold of 80.00. Buy on weakness to my quarterly value level of $130.09. Sell strength to my monthly risky level of $177.48.

This article is commentary by an independent contributor. At the time of publication, the author held no positions in the stocks mentioned.