A large move is imminent for Natural Gas, according to James Dima, technical analyst at Marex Spectron.
Looking at a chart of April 2018 Natural Gas, Dima notes how the Average True Range (ATR) is extremely low for the front end of the curve (below 0.7, based on ATR setting of 10 days). He says that as the ATR shrinks to historically low levels it signifies that a large move is pending. A similar signal occurred in mid-December last year, around two weeks before the beginning of the December/January rally (see Chart).
Dima says one way to trade such an expectation would be to buy an at the money straddle, in order to take advantage of an anticipated rise in delta.