BlackRock’s technology arm has struck a new deal with London-based fintech OTCX to drag one of the last voice-dominated corners of finance — over-the-counter derivatives trading — fully onto the screen.The multi-year partnership will plug OTCX’s electronic marketplace directly into BlackRock’s Aladdin system, the portfolio and trading platform used by hundreds of the world’s asset managers and insurers. The integration will allow Aladdin users to request quotes, negotiate prices, execute, and complete post- ...