How the money is made.
$5,000 to $15 million — on a machine that only let him punch cards on Saturdays.
Ed Seykota wrote one of the first computerized trend-following systems in the 1970s, but his access was limited to a mainframe that ran only on weekends. He fed it data the old-school way, watched the numbers crawl, and let the model do the work.
Jack Schwager later cited the model account that grew from $5,000 to $15 million. Over a 16-year stretch in the 1970s and 1980s that same account compounded roughly 250,000% in cumulative returns.
The magic wasn’t a secret indicator. Seykota invented the exponential moving average, but he stopped talking about the math and started talking about mindset. He now runs a traders’ support group that focuses on emotional discipline, not on tweaking signal parameters.
Discipline means showing up every weekend, trusting a system that has already proven it can survive a full market cycle, and refusing to chase every new edge. It means accepting that the model will lose trades, but that the long-term curve still points up.
The result? A quiet programmer who turned a modest $5,000 stake into a $15 million legacy without ever needing a fancy dashboard or a proprietary data feed. The true edge lives in the habit of following the system, not in the system itself.
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