Global natural gas prices have turned volatile after a stretch of gains as traders watch variables in key markets from the United States to Asia. 

In the United States, the Henry Hub prompt contract finally retreated early last week after a nine-day winning streak. However, it spiked again by nearly 10 cents last Thursday (July 8) on a weak storage build before finishing lower to end the week. 

Traders looked past a tilt toward cooler weather Monday and focused instead on near-term heat and expectations for strong domestic demand and U.S. exports over the balance of summer. That sent gas futures higher. The August contract shed 5 cents Tuesday to finish at $3.696/MMBtu, with similar losses seen across the forward curve.

Cameron LNG in Louisiana shut one of its three...