Natural gas futures just had a wild ride in the week through Dec 5. The 12-month spread? Blew out by $0.20—that's a 200% jump if you're counting. February contracts climbed $0.45, pushing from $4.42 all the way to $4.87 (roughly 10% gain). Meanwhile, the front-month price wasn't sleeping either, ticking up $0.44 to hit $5.29 from $4.85. Energy traders are definitely paying attention to these moves.