Weekly trading volume in stock-linked perpetual futures (crypto derivatives with no expiry tied to equity prices) on centralized exchanges reached $141.84 billion as of Aug. 16, according to the Wu Blockchain Data Center, rising about 79-fold from $1.8 billion at the start of 2026. Activity was concentrated in stock-linked assets including SNDK, SK Hynix (SKHYNIX) and SPCX. Over the same period, weekly open interest (the value of outstanding contracts) increased to $8.29 billion from $89 million, or about 93-fold from the beginning of the year, indicating a sharp expansion in outstanding leveraged positions alongside trading activity.