840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjItMDQvOTdmYTg0Y2MtYzU2NC00ZDBjLWJlOTUtOGM3MjkzMmE5ZDc5LmpwZw3D3D Continue Reading Previous ProShares files with SEC for Short Bitcoin Strategy ETF