Natural gas futures fell 10% to $3.352 per mmBtu, their worst day in almost two years, after forecasts for a mild January. Gas-linked ETFs such as UNG fell about 11%, and inverse products rallied.
Mild January forecasts reduce heating demand expectations, pushing spot and futures prices lower.
After 104 past bearish weather events, Natural Gas moved a median -7.8% over 5 sessions (22% higher; middle half -14.8% to -0.8%), and -3.3% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.
Reports the ~10% drop on Jan 3 driven by mild January forecasts that cut expected heating demand, which matches the timing and size of the move.