Intelligent, rule-based portfolio strategies for investors
Contributor's Links: Logical Invest

Remove uncertainty about your investment strategy decisions and get superior returns with greater safety. Our quantitative portfolio strategies are delivered as a few simple ETF trades per year that you easily place in your own brokerage accounts.

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The “US Market Strategy” Or How To Invest Using A Crash-hedged Strategy.
There is no better moment to manifest the value of a hedged and diversified investment strategy than now, during this difficult crisis. Logical-Invest has been developing hedged investment strategies for years with the goal of minimizing risk.
The New Always Hedged Bond Rotation Investment Strategy Backtests
You see that the crash happened in between two re-balancing’s. As we have been in a 100% bull market scenario in February, the March strategy allocation was 60% Emerging market bonds and 40% Convertible bonds. Both are equity like bonds.
Use Market Volatility To Save Your Portfolio
Many investors are liquidating their portfolios with huge losses. They sell all asset classes from equity to Treasuries and gold. I will explain a better strategy to cut losses.
The Coronavirus Market Crash – Lessons Learned
At the start of the year, before the CORVID-19 outbreak was known, we updated our strategies to better withstand a possible bear market.
The Logical-Invest Newsletter For March 2020
The last day of the month there was a large move down in gold, which together with a slight up move in the S&P 500, may signal expectations that the Fed will intervene to support the markets.
S&P 500 Powers To New Record
For the third time in three months, the Federal Reserve lowered its key interest rate by a quarter percentage point. Stocks advanced in the wake of the Fed’s policy decision, with the S&P 500 index hitting a record of $3,046.





Latest Posts
Update Of Our Asset Allocation Models
Update of our tactical asset allocation models, 10 of them added recently and are free for all our followers
Updated Overview Of Our Asset Allocation Models
With the launch of our new app we've been asked by several followers to provide an overview of the asset allocation models we currently publish. Several of them are free upon registration, so check it out!
Portfolio Builder: How To Create A Portfolio Of Portfolios
We’ve received a couple of reader questions in the last few weeks asking whether it is possible to create a “Portfolio of Portfolios” in our Portfolio Builder.
Logical Invest 2.0: Strategy & Launch Of New Application
Logical Invest launches new web application

Work Experience

Founder & Partner
January 2013 - Present (7 years 11 months) develops intelligent rule based portfolio investment strategies. These strategies are offered on a subscription basis to the public through
Colour-Science AG
June 2002 - Present (18 years 8 months)
- Development of the i2e (intelligent image enhancement) technology - Red eye removal - Image noise removal - Image processing - Quality monitoring software - ICC profiling


Eidgenössische Technische Hochschule Zürich
1988 / 1989
Master of Business Administration
Ecole polytechnique fédérale de Lausanne
1983 / 1988
Microtechnics, Robotics


The Logical-Invest Rotation Strategy Blog
Frank Grossman
Logical Invest started out as a place to join Frank Grossmann’s popular Global Growth Strategies and now has grown to include a team of researchers, strategy developers and successful investors. We share a passion for logical, rules based investing and a willingness to share our learning with others.