To purchase a SiaPrimeFund, you would need to contact a holder and arrange a purchase. There are no established markets available.
SiaPrimefunds earn fees hosts and renters pay (about 3.9% of a host’s collateral). SPF were distributed to holders of a similar asset on the Sia network called a Siafund. The developers of Sia hold SiaPrimefunds as a long-term method of financing development.