A backtest or back-test is a hypothetical simulation of an investment or trading strategy. Most backtesting is applied to timing entry and exit points for a particular asset.Backtesting is one of those things that can be easy to quick and hard to do right.Portfolio Thinktank uses a Portfolio Backtesting engine that combines recursive optimization and analytics to test portfolio strategy.This is different than the single asset backtests used by traders. The Portfolio Backtesting at Portfolio ThinkTank is designed to test and refine your compete approach to investing. Investors without any technical experience or coding background can backtest a strategy at Portfolio Thinktank.com for free.
James Damschroder
James Damschroder

James’ professional orientation points at the zenith (and sometimes nadir) where technology and investments intersect. He is a Fintech entrepreneur and has served twenty years of a lifetime sentence.

James is a patented inventor, quant pioneer and investment manager. He is the founder of Gravity Investments, a unique investment and technology services firm centered on James’ inventions for diversification measurement, optimization, visualization, and analysis. In the development of the platform, James has pioneered A.I applications, diversification attribution, down-side diversification, portfolio re-optimization, full-lifecycle strategy optimization, programmable investment policy statements and core-satellite optimization techniques.

In working with advisors, funds and money managers as both a strategic sub-advisor and software consultant, James has consulted and trained hundreds of professional investors on portfolio design and optimization. James has a unique ability to look at any investment process and find practical, intelligent and often quantifiable opportunities to improve the investment product.

Inspired by the work of Nobel Laureate Harry Markowitz and the efficient frontier, James has championed and pioneered the science of diversification.  James’ technology has advised
or assisted in over 30 Billion dollars of investor capital. His vision of a more perfect investment management system is at the heart of Gsphere ( www.gsphere.net )

His passion for performance, curiosity for the unknown, and drive to excel empower his service to investors.

James is Founder and CEO of Portfolio ThinkTank (the B2C company) www.portfoliothinktank.com, Founder & Chief of Financial Engineering at Gravity Investments www.gravityinvestments.com (the B2B company) and Chief Investment Officer at Gravity Capital Partners, a wholly owned SEC Registered Investment Advisor.