A Bad Backtest
Thomas Edison failed 10,000 times before he invented a light bulb that would work. How many times have…
Trades Not Matching Backtest
A quant trader came to me recently with an issue. He was backtesting and optimizing his strategy using…
Buying Power
What would need to be true for you to trade big enough to use ALL your buying power?…
What Re-Reading Great Fiction Can Teach You About Trading
My wife, Joan (who’s well-known enough to have a Wikipedia page), is re-reading some of her favorite fiction…
How To Make Your Strategy More Predictive
Time and time again I see traders give up on a perfectly good trading strategy too soon because…
Humility in Trading Goes a Long Way
Here’s my favorite image from my free email course on Backtesting: It’s to reinforce the fact that most…
When Is A Strategy Good Enough To Trade?
(Note: this post is adapted from the Trading Success Roadmap.) “What metric should I look at to determine…
My Unique Backtesting Process
When I first started backtesting, I set out to improve upon a strategy I was already trading manually.…
Using Excel to Improve Your Trading Strategy
One of the most valuable things I do with traders I coach is give them simple rules to…
The Biggest Time Saver in Developing Trading Strategies
First, a story about my history as a coder. When I began writing code in the late 90s,…