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Jeff D. Opdyke

Jeff D. Opdyke is an American financial writer and investment expert based in Portugal. He spent 17 years covering personal finance and investing for the Wall Street Journal, worked as a trader and a hedge fund analyst, and has written 10 books on such topics as investing globally and personal finance.

Rats, Rot… and a Failing Currency

Jeff D. Opdyke · April 28, 2026 ·

What the pounds’ collapse tells us about the dollar’s future. Live rats and too many dead bodies. If I tell you the next word, “England,” you …

[Read more...] about Rats, Rot… and a Failing Currency

My $20 AI Advantage

Jeff D. Opdyke · April 22, 2026 ·

What used to take hours now takes minutes… I have a new friend, his name is Claude. We talk every day. I pepper him with questions. He dutifully …

[Read more...] about My $20 AI Advantage

AI Is Pushing the Grid to the Edge

Jeff D. Opdyke · April 21, 2026 ·

And the next fortunes will come from fixing it… Just like that… the Stone Age. Almost exactly a year ago, April 28, 2025, I was sitting in my …

[Read more...] about AI Is Pushing the Grid to the Edge

What I Heard in Rome Should Worry You

Jeff D. Opdyke · April 14, 2026 ·

Across political lines, something has shifted. “I guess I’m gonna be an English teacher, then. That seems like the best way to get out.” I’ll call …

[Read more...] about What I Heard in Rome Should Worry You

April/May 2026: Profit From AI—Without Owning Overpriced AI Stocks

Jeff D. Opdyke · April 10, 2026 ·

Your April-May 2026 Global Intelligence issue reveals exactly how to profit from the AI boom—without owning overpriced AI stocks… Just a few years …

[Read more...] about April/May 2026: Profit From AI—Without Owning Overpriced AI Stocks

The Quiet Global Rush to Reclaim Gold

Jeff D. Opdyke · April 9, 2026 ·

Why Central Banks Want Their Gold Back. A scene is playing out in the global financial system right now that reads like a heist movie—except the …

[Read more...] about The Quiet Global Rush to Reclaim Gold

Peace—or Just a Pause?

Jeff D. Opdyke · April 8, 2026 ·

How Peace Could Reshape Oil, Gold, and the Dollar. So, peace be upon us? Just hours before I started writing today’s dispatch, the US and Iran …

[Read more...] about Peace—or Just a Pause?

When Romans Stopped Wanting to Be Roman

Jeff D. Opdyke · April 4, 2026 ·

How you lose an empire. By the middle of the 5th century, the leadership of the Roman Empire was actively killing the empire from within. Of …

[Read more...] about When Romans Stopped Wanting to Be Roman

The End of Pax Americana

Jeff D. Opdyke · March 31, 2026 ·

The shift is already underway. A text from my son arrived over the weekend: Be safe, Dad. Worried about you overseas. Times are getting scary …

[Read more...] about The End of Pax Americana

The Media Is Selling a Story—I’m Not Buying It

Jeff D. Opdyke · March 27, 2026 ·

And neither should you. Having once made the sausage, I understand where the ingredients come from. If you’ve been a Field Notes reader for a …

[Read more...] about The Media Is Selling a Story—I’m Not Buying It

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