“(All down the line.) We’ll be watching out for trouble, yeah.”
The Rolling Stones, “All Down the Line”

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CONCLUSION

NYMEX natural gas (nearest futures continuation) probably will remain in a sideways trend between 2.40/2.50 and 3.20/3.45 over the next few months. However, United States natural gas inventories from the days coverage perspective (stocks relative to consumption) are much lower than the historical average. Suppose economic growth remains moderate and that commodity prices in general (and those in the petroleum complex in particular) do not collapse. This natural gas inventory situation, assuming it persists, makes it probable that the marketplace eventually will ascend over 3.20/3.45 toward major resistance around 4.00/4.10. The most likely achievement of a flight to 4.00/4.10 is around winter, whether that of winter 2018-19 or thereafter. A colder than normal winter (or even belief such will occur) boosts the chances of such a spike. If widespread expectations of upcoming massive US natural gas production increases are disappointed, that also likely will rally prices above 3.20/3.45 and toward 4.00/4.10.

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Over the past year or two, the natural gas industry probably has shifted toward a lower level of desired (“appropriate”, “reasonable”, “normal”, “prudent”, “sufficient”) stock holding relative to historical averages. Why? One factor probably is faith that calendar 2018 (and subsequent) gas production will remain far over that of calendar 2017. So many players probably believe there “always (or almost always) will be enough gas around”. Another variable likely encouraging lower inventory in days coverage terms is the substantial expansion of America’s pipeline infrastructure. Thus it has (will) become easier to move sufficient gas to many locations where it is needed. Moreover, the growing share of renewables in total US electricity generation arguably to some extent reduces the amount of necessary natural gas inventories.

These structural changes in the US natural gas marketplace apparently have shifted the natural gas inventory management approach to more of a “just in time” (lower inventories) relative to a “just in case” (higher stockpiles) method.

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However, the natural gas inventory situation nevertheless appears somewhat bullish. Even if the “reasonable” level of industry holdings of natural gas inventories has tumbled relative to historical benchmarks in days coverage by a few days, prospective levels for October 2018 and October 2019 nevertheless appear “low” relative to “normal” totals, particularly from the perspective of the winter stock draw period.

Arguably many natural gas marketplace participants are overly complacent regarding the availability of supplies, particularly in periods of high demand. Imagine a colder than normal winter. Emerging worries that available supply (whether in days coverage or arithmetical terms) is or may be tight can inspire heated scrambles to procure it.

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Energy Information Administration (“EIA”) statistics indicate that calendar 2019 US liquefied natural gas (LNG) net exports will be substantial (notably higher than net LNG exports in 2017 and 2018). This net foreign demand for LNG will tend to tighten the US inventory situation. Also note that in calendar 2017 and 2018, America was a net importer of natural gas via pipeline; in calendar 2019, the US becomes a net exporter via pipeline.

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US Natural Gas- Waiting for Fireworks (7-3-18)