WNTR is trading 7.03% down at $14.83 after Strategy Inc. (MSTR), its inverse-exposure underlying, rallied sharply on September 18.

  • WNTR’s inverse structure means MSTR gains can pressure the fund, while option premiums may not fully offset losses.
  • WNTR’s 13.00% drop on September 18 and 3.86% fall on September 17 continued underlying-exposure pressure rather than broad-market weakness.
  • MSTR’s September 18 rally was widely reported, including a gain exceeding 11% in one market update.