We know the USDCAD-Oil correlation. It seems to be a favorite for those that track cross asset relationships, and the fundamental link makes sense. However, here is one that you may not consider: AUDNZD. Both are commodity currencies, but one is known for 'hard' and the other 'soft' commodities. So, I overlaid the exchange rate with a Gold-Live Cattle comparison. Long-term relationship remarkably strong.