This article on Bitcoin Magazine is an excerpt from a larger article on Bitcoin Magazine PRO. The following is the post, here on SN, where the PRO article was shared:

The State Of GBTC: Discount Shrinks For The First Time In Over A Year #121184 https://bmpro.substack.com/p/gbtc-discount-shrinks-first-time-in-over-year

That's a huge selling pressure and the probability of it happening is far from zero