The companies, products and regulatory developments shaping the broker industry.
Lightspeed has expanded its API for active traders with borrow-locate requests, a paper environment, browser-based testing and AI-readable developer documentation.
The broker says roughly 5,000 additional US stocks can now enter its short-selling workflow. Locates remain account-specific, expire at 8pm ET and do not guarantee borrow availability or the eventual rate.
Daily locate expiry, separate test credentials and external market-data choices define the path from a prototype to live trading.