Theorem to Speak at FIA IDX 2018 Post author By Theorem Technologies Post date May 31, 2018 FIA IDX 2018 is being held June 4-6 at the Brewery in London. https://idx2018.fia.org/programme/2525 ← Theorem Integrates PortfolioScience’s RiskAPI → InteractiveBrokers Adds Integration to Theorem Technologies