Volatile stock Sphere 3D (NASDAQ:ANY) is rallying premarket as pending merger partner Gryphon Digital Mining announces a hosting deal with Core Scientific. The companies announced the deal "for approximately 230 MW of carbon neutral bitcoin mining hosting capacity." "Core Scientific stated that this hosting agreement represents the single largest hosting services agreement in its history." ANY is up 9% before the bell, but closed down more than 15% in the previous session. The stock has been volatile and bounced around at the end of September on speculation that Elon Musk may join Gryphon Digital Mining's board of directors. It also gained attention from retail inevstors after former hedge fund manager Will Meade called it out as a possible squeeze candidate. But Sphere 3D (ANY) has not been mentioned recently on the WallStreetBets subreddit, according to Quiver Quantitative. The all-stock merger between Sphere 3D and Gryphon was announced in June.