River Markets says its River Finance affiliate is a CFTC-registered futures commission merchant and NFA member; its cross-venue capital and financing model remains a staged build.
Plus500 says its US futures commission merchant has begun offering Kalshi perpetual contracts through B2B and B2B2C channels, using a direct Kalshi Klear connection.
The Nasdaq-listed HYPE treasury company has applied through a subsidiary for futures commission merchant registration; its reported $620.6 million profit mainly reflects unrealised token gains.
PM Derivatives is intended to add an in-house brokerage role alongside Polymarket’s exchange and clearing entities. The announced scope is fully collateralised business; margin would require additional approval.
Marex says its clearing unit processed an event-contract transaction for a large financial institution, providing a concrete access milestone but no published volume series.
Marex Capital Markets says it has cleared an institutional event-contract transaction for an unnamed financial institution, adding a verified clearing pathway without disclosing trade size.