For the first two months of 2016 the "flight to safety" into bonds and gold has been the most successful money-making investment strategy. The highs in bonds, gold and the euro versus the dollar correspond to the lows in the S&P 500 I:GSPC and crude oil, all on Feb. 11. 

U.S. Treasury 30-year bond yields declined to 2.380% Feb. 11, shy of the record low yield of 2.221% set on Jan. 20, 2015. The key level for March is 2.570%, which should be a barrier to lower yields at least until March 16, when the Federal Reserve releases its latest statement on monetary policy. The "flight to safety" into bonds can be traded like a stock by investing in the 20+ Year Treasury Bond ETF (TLT) - Get Report , which is a basket of U.S. Treasury bonds with maturities of 20 to 30 years.

Comex gold spiked to as high as $1,263.9 on Feb. 11, then dipped below the key level of $1,200, providing a "flight to safety" buying opportunity. March could be an extremely volatile month for the precious metal, given a key level on technical charts or $1,152.0 in play during March, with this week's key level at $1,273.3 providing a ceiling. The exchange-traded fund to trade as a proxy for gold is the SPDR Gold Shares ETF (GLD) - Get Report , which is backed by gold bullion.

Nymex crude oil set its 52-week low of $26.05 on Feb. 11 and the rebound has been as high as $34.69 on Feb. 26 as the weekly chart shifted to positive. The key level for March continues to be $29.90 and the upside for all of 2016 should be limited to $44.07 a barrel. One of the ways to trade oil like a stock is using the iShares GSCI Commodity-Index Trust Fund (GSG) - Get Report , which is 70% to 75% weighed to energy and crude oil.

The euro versus the dollar has a positive weekly chart peaked at 1.1375 on Feb. 22 and traded as low as 1.0854 as March begins. The key level to hold in March is 1.0716, well above the 52-week low of 1.0456 set on March 16, 2015. The best ETF that tracks the ups and downs of the dollar is the Deutsche Bank USD Index (UUP) - Get Report , which is basket of currencies including the euro, Japanese yen, British pound, Canadian dollar, Swedish krona and Swiss franc.

Here's the weekly chart for the bond ETF.


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The bond ETF closed at $130.98 on Monday, up 8.6% year to date versus a decline of 5.5% for the S&P 500. The weekly chart is neutral with the ETF above its key weekly moving average of $128.50 and well above its 200-week simple moving average of $118.40. The weekly momentum reading is projected to decline to 75.99 this week down from 78.09 on Feb. 26.

Investors looking to buy the bond ETF enter a good till canceled limit order to buy this ETF if it declines to $118.40, which is the 200-week simple moving average. Investors have had the opportunity to reduce holdings using a GTC limit order to sell this ETF if it rises to $132.45, which remains a key level on technical charts until the end of 2016.

Here's the weekly chart for the gold exchange-traded fund.


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The gold ETF closed at $118.64 on Monday, up 16.9% year to date after setting its 52-week high of $120.84 on Feb. 11. The weekly chart for the Gold ETF remains positive with the ETF above its key weekly moving average of $113.16, with the 200-week simple moving average an upside target of $129.07. The weekly momentum reading is projected to rise to 80.03 this week up from 77.47 on Feb. 26, which would be above the overbought threshold of 80.00.

Investors looking to buy the gold EFT should enter a good till canceled limit order to buy this ETF if it declines to $109.94, which is a key level on technical charts until the end of March. Investors looking to reduce holdings should enter a GTC limit order to sell this ETF if it rises to $121.69, which is a key level on technical charts until the end of this week.

Here's the weekly chart for the commodity index ETF.


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The commodities ETF closed at $13.20 on Monday, down 7.2% year to date but is 9.7% above its Jan. 20 low of $12.03. The weekly chart for the commodity ETF is neutral with the ETF below its key weekly moving average of $13.29 and well below its 200-week simple moving average of $27.49. The weekly momentum reading is projected to rise to 24.98 up from 20.65 moving above the oversold threshold of 20.00. A weekly close above $13.29 would shift the weekly chart to positive.

Investors looking to buy the commodities ETF should enter a good till canceled limit order to buy the ETF if it drops to $11.78, which is a key level on technical charts until the end of this week. Investors looking to reduce holdings should enter a GTC limit order to sell this ETF if it rises to $18.42, which is a key level on technical charts until the end of June. A key level of $13.19 is in play until the end of March.

Here's the weekly chart for the dollar index ETF.


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The dollar ETF closed at $25.49 on Monday, down just 0.6% year to date and is 2.5% below its 52-week high of $26.14 set on Dec. 2. The weekly chart for the Dollar ETF shifts to positive this week if the ETF ends the week above its key weekly moving average of $25.41. The ETF remains well above its 200-week simple moving average of $23.10. The weekly momentum reading is projected to rise to 41.56 this week up from 37.54 on Feb. 26.

Investors looking to buy the dollar ETF should enter a good till canceled limit order to buy this ETF if it declines to $24.18 and $23.31, which are key levels on technical charts until the end of June and the end of 2016, respectively. Investors looking to reduce holdings should enter a GTC limit order to sell this ETF if it rises to $26.68, which is a key level on technical charts until the end of March.

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