GDXU is trading at $108.98, up 3.29% in pre-market, with no clear catalyst identified.

  • Supplied prior-session coverage also reported no direct explanation for GDXU’s move.
  • Gold was reported down 0.57% on October 13; a stronger dollar and higher oil had weighed on bullion, conditions that do not explain the rise in gold-miner exposure.
  • GDXU targets three times the daily performance of an index tracking gold-miner ETFs. The move may reflect overnight trading or a reversal, but that remains unconfirmed.