Investors who seek market exposure to the housing market and banking system that funds it can do so using these three exchange-traded funds.

The iShares U.S. Construction ETF (ITB) - Get Report consists of 45 stocks involved in home construction and includes homebuilders D R Horton (DHI) - Get Report , Lennar (LEN) - Get Report and PulteGroup (PHM) - Get Report as the top three holdings with weightings of 11.96%, 10.03% and 8.08%, respectively.

The iShares U.S. Regional Banks ETF (IAT) - Get Report consists of 56 bank stocks and regional banks US Bancorp (USB) - Get Report , PNC Financial (PNC) - Get Report and BB&T Corp(BBT) - Get Report are the top three holdings with weightings of 17.11%, 10.80% and 7.54%, respectively. Note that the four "too big to fail" money center banks are not components of this ETF.

The First Trust Nasdaq ABA Community Bank Index Fund (QABA) - Get Report consists of 147 smaller banks with Signature Bank (SBNY) - Get Report the largest component with just a 3.38% weighting.

However, before we look at the weekly charts for these ETFs. let's take a look at the most recent housing market data. 

Here's the latest S&P Core Logic Case-Shiller Indices.

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As the chart above shows, the 20-city composite had a year-over-year seasonally-adjusted rise of 5.1% in June, but slipped 0.1% month over month. From the July 2006 peak to the March 2012 trough, prices were down 35.1%. From the trough to the current level home prices are up an unsustainable 41.6% and just 8.1% below the peak.

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This chart above shows new home sales for July. New home sales may have risen by 12.4% in July to a seasonally adjusted annual rate of 654,000, but the chart clearly shows that this sales pace is significantly below potential.

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The chart above shows existing home sales for July. This broader measure of home sales fell 3.2% in July to a seasonally adjusted annual rate 5.39 million units. This pace is down 1.6% year over year. Note how the 5.5 million sales rate has been a ceiling since 2007, well below pre-crash levels.

Here's the weekly chart for the home construction ETF.

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Courtesy of MetaStock Xenith

The weekly chart shows a red line through the price bars. which is the key weekly moving average (a five-week modified moving average). The green line is the 200-week simple moving average considered the "reversion to the mean."

The study in red along the bottom of the chart is weekly momentum (a 12x3x3 weekly slow stochastic), which scales between 00.00 and 100.00, where readings above 80.00 indicates overbought and readings below 20.00 indicates oversold. A negative weekly chart shows the stock below its key weekly moving average with weekly momentum declining below 80.00 in a trend towards 20.00.

The construction ETF trades around $29, up 7.2% year to date and is in bull market territory 33.9% above its Feb. 11 low of $21.61.

The weekly chart for the housing ETF is neutral with the ETF just above is key weekly moving average of $28.73 and above its 200-week simple moving average of $25.01. Weekly momentum is projected to end the week at 73.99 against 73.68, virtually unchanged week over week.

Investors looking to buy the home construction ETF should buy weakness to $27.29, which is a key level on technical charts until the end of September. The $20.80 value level is in play for the remainder of 2016.

Investors looking to reduce holdings should sell strength to $34.05, which is a key level on technical charts until the end of 2016.

Here's the weekly chart for regional bank ETF.

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Courtesy of MetaStock Xenith

The regional bank ETF trades around $35, up just 1.1% year to date and in bull market territory 25.7% above its Feb. 11 low of $28.12. This ETF set its 2016 high of $36.07 on Sept. 6 then closed below its Sept. 2 low of $35.54 which is a "key reversal" given lower closes today and Thursday.

The weekly chart for the regional bank ETF is positive but overbought with the ETF above its key weekly moving average of $34.62 and above its 200-week simple moving average of $32.37. This ETF had been trading back and forth around this "reversion to the mean" between the week of Jan. 15 and the week of July 8. The weekly momentum reading is projected to rise to 87.80 this week up from 84.48 on Sept. 2, moving further above the overbought threshold of 80.00.

Investors looking to buy the regional bank ETF should buy weakness to $33.11 and $31.58, which are key levels on technical charts until the end of September.

Investors looking to reduce holdings should sell strength to $41.12, which is a key level on technical charts until the end of 2016.

Here's the weekly chart for the community bank ETF.

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Courtesy of MetaStock Xenith

The community bank ETF trades close to $42, up 6.5% year to date and in bull market territory 28.1% above its Feb. 11 low of $32.40. This ETF set its 2016 high of $42.16 on Sept. 6 then closed below its Sept. 2 low of $41.77 which is a "key reversal" given lower closes today and Thursday.

The weekly chart for the community bank ETF is positive but overbought with the ETF above its key weekly moving average of $40.52 and above its 200-week simple moving average of $34.87. Note how this "reversion to the mean" held at $32.91 during the week of Feb. 12. The weekly momentum reading is projected to rise to 92.52 this week up from 90.73 on Sept. 2, becoming more overbought above the 80.00 threshold.

Investors looking to buy the community bank ETF should do so on weakness to $39.01 and $38.05, which are key levels on technical charts until the end of September.

Investors looking to reduce holdings should sell strength to $45.99, which is a key level on technical charts until the end of 2016.

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