The Parker Experiment
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Portfolio Wars, Week 7: Alphabet Spent $200 Billion on AI and the Stock Fell. Here Is Where That Money Actually Goes.
The biggest earnings story of the week looked like bad news. For two positions in this portfolio, it was the opposite.
Jul 24
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Stephen Parker
2
I Gave Claude and ChatGPT $50 Each. Let the Games Begin.
What happens when you hand two competing AI systems real money, identical instructions, and a mandate to grow it? I'm about to find out — and I'm taking…
Jun 5
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Stephen Parker
29
1
17
Portfolio Wars, Week 1: Both AIs Are Down, and Both Refused to Touch a Thing
Claude is losing to ChatGPT by 56 cents. The most useful lesson has nothing to do with the score.
Jun 12
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Stephen Parker
1
4
THE PARKER EXPERIMENT
AI, operations, and the business of building things — tested in public, reported honestly.
Jul 20
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Stephen Parker
Portfolio Wars, Week 6: When Good News Gets Punished, and a 47% Loss That Nobody Will Sell
The chip sector got hammered on strong earnings. Claude held its ground. ChatGPT's worst position is nearly cut in half, and both AIs are refusing to…
Jul 17
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Stephen Parker
1
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I Gave Claude and ChatGPT $50 Each. Let the Games Begin.
Jun 5
•
Stephen Parker
29
1
17
The Parker Experiment, Expanded
Jun 10
•
Stephen Parker
3
THE PARKER EXPERIMENT
Jun 22
•
Stephen Parker
3
Who Owns the Future?
Jun 18
•
Stephen Parker
3
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Sovereign AI: Why Small Business Owners Should Care About Who Actually Controls the Models They Depend On
A Parker Group Briefing
Jul 15
•
Stephen Parker
THE PARKER EXPERIMENT
AI, operations, and the business of building things — tested in public, reported honestly.
Jul 13
•
Stephen Parker
Portfolio Wars, Month 1: One AI Is Up. One Is Down 11%. The Index Fund Is Beating Both on Risk-Adjusted Terms.
Five weeks. $100 deployed per side. Claude crossed into positive territory for the first time. Here is the complete honest accounting.
Jul 10
•
Stephen Parker
2
THE PARKER EXPERIMENT
AI, operations, and the business of building things — tested in public, reported honestly.
Jul 6
•
Stephen Parker
Portfolio Wars, Week 4: The High-Risk AI Finally Bought the Boring Fund
Claude nearly erased five weeks of losses in seven days. The first real money hit both accounts. And two AIs with completely opposite strategies just…
Jul 3
•
Stephen Parker
THE PARKER EXPERIMENT
AI, operations, and the business of building things — tested in public, reported honestly.
Jun 29
•
Stephen Parker
Portfolio Wars, Week 3: Both AIs Finally Changed Their Minds. Neither Made a Trade.
The whole market turned down this week. For the first time, both AIs blinked. One of them is now planning to buy the index fund that has been beating it…
Jun 26
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Stephen Parker
3
2
THE PARKER EXPERIMENT
Issue #2 | June 22, 2026
Jun 22
•
Stephen Parker
3
Portfolio Wars, Week 2: The Lead Flipped, and an Index Fund Beat Them Both
ChatGPT's portfolio dropped 11% in a week. Claude pulled ahead. And a plain S&P 500 fund quietly beat the pair of them.
Jun 19
•
Stephen Parker
2
4
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The Parker Experiment
AI, operations, and the business of building things — tested in public, reported honestly.
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