Gold Dec 2014/Jun 2019

My guess is that this would be the most actively traded spread for the moment, and the fact that the trend remains unbroken would suggest that gold prices are still headed for backwardation:

INO.com quotes

$Gold Weekly

The momentum indicator on the ADX should reach a low with a recovery in gold prices. Next week may see a trading volume low, much like we had seen a weekly trading volume low at the end of the volatility smile, and at the double bottom. The paradigm of an elliot wave Wave One extension remains intact.

http://scharts.co/1qSLvel

$IRX Weekly

Negative nominal rates will follow in the U.S., as they had occurred in Europe.

http://scharts.co/1cFDeTH

Euro Area Yield Curve

All short term treasury bills in Europe up to three years have negative rates:

http://www.ecb.europa.eu/stats/money/yc/html/index.en.html

-F6