Portfolio Backtesting Software

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Investment Policy
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Pro Grade Portfolio Analysis

Pro Grade Portfolio Analysis

You can analyze a portfolio better than 99% of professional investors using what I teach in this video. I used to sell this portfolio analytics software to professional investors for thousands of dollars and now I am doing my part to democratize investments by giving...

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Trading Rules

Trading Rules

I don't usually advocate trading due to the higher probability of loss ascribed to the predominance of cognitive bias and behavioural economics. Note from personal experience that an awareness of such risk is insufficient to curtail the risks. For those that will...

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Gratitude Practice

Gratitude Practice

In addition to an overload of turkey every Thanksgiving table I’ve sat at has had some sort of gratitude practice. Sometimes, this takes the form of going around the table where people can express things that they are thankful for. Other times the host could lead a...

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Are you a wartime investor?

Are you a wartime investor?

Many investors,  especially venture capitalists, think of CEO’s as being either a peacetime CEO or a wartime CEO.   Wartime is a metaphor typically for a peacetime or wartime national leader.   I think investors need to start using this as a lens for self-evaluation....

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COVID 19 Stock Ideas

COVID 19 Stock Ideas

I track a list of 3 COVID 19 Stock ideas. Harmed is an equally weighted basket of 33 stocks that would stand to get their butt kicked by COVID19 and the resulting shutdown. Beneficiaries is an equally weighted basket of 33 stocks that one could imagine would benefit;...

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Narrative Diversification

Narrative Diversification

Narrative Diversification - What is it and why does it matter? I want to call to attention a type of diversification that I think is especially relevant now and typically one that evades measurement. Narrative diversification. I've come across this type of...

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The Dirty Secret of Diversification

The Dirty Secret of Diversification

The Dirty Secret of Diversification You probably heard mixed things about diversification; most of it good but not all of it. Amongst the detractors you can find content on the internet where Mark Cuban or Warren Buffett impune diversification. Please forgive their...

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Coronavirus Investing

Coronavirus Investing

Cash + Quality + Cap = Comebackability A great many stocks are excellent investments right now.  With the Coronavirus, I keep finding myself saying that “this too shall pass.”  It will.  Sooner or later. And when it does - you need to be ready. As there have been many...

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Are you a Trader or an Investor?

Are you a Trader or an Investor?

I’ve been thinking a lot about this lately. The recent impact of the coronavirus fears on the stock market, like any other fast-moving or high-volatility event arouses my trader's instincts. Are those trader's instincts compatible with fiduciary, long-term investing?...

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Who is Portfolio ThinkTank Designed for?

Who is Portfolio ThinkTank Designed for?

We exist to help investors... Investors who are smart enough to realize that they can create investment strategy themselves and smart enough to know that they can beat the averages, yet self-aware that it’s ok to get some help. We love tech-savvy investors and we love...

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What is a Backtest?

What is a Backtest?

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...

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Why are we launching Portfolio ThinkTank?

Why are we launching Portfolio ThinkTank?

My name is James I've been a B2B fintech executive for 19 years and sold millions of dollars of tech to professional investors. Now with Portfolio ThinkTank, I am changing teams. I want to help regular investors. Most investors get punished when they seek...

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Is WFOOSMPBT acronym worthy?

A backtest has about as much credibility with professional investors as claims of sure things and guarantees. However, a backtest is an incredibly useful research tool….if it is done right. If it is done wrong, as most are, it gives a false sense of confidence or...

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Systemic Risk and Diversification Analysis

This chart tells us that the portfolio being analyzed has a variance 60% captured in only one dimension. Minimizing the percentage of the portfolio captured in the first dimension is a routine output of our investment process and greatly reduces the susceptibility of...

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At Portfolio ThinkTank diversity does not end with the portfolio. We strive to proactively create a culture that embraces diversity, protects our ecosystem from fear and hate, and celebrates the beauty of our differences.