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I joined Sean Aylmer for Fear and Greed’s Summer Series to talk about high-frequency arbitrage, how these strategies work, and why they have become an increasingly attractive alternative for sophisticated investors. We discussed how arbitrage seeks to profit from volatility and pricing inefficiencies across global asset exchanges. Importantly, we also explored how this type of strategy can complement a diversified portfolio by providing returns that are largely uncorrelated to equity markets.

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by Roger Montgomery Posted in Digital Asset Funds Management, Insightful Insights, Investing Education, Podcast Channel.

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Investors must understand that correctly predicting artificial intelligence (AI) technology will change the course of humanity, even if for the better, does not automatically translate to desirable investment returns.

General Purpose Technologies (GPT) of the past, such as the automobile, electricity, commercial flight, steam locomotion and TV, have all changed the course of human history and yet more than a thousand car manufacturers have disappeared from the U.S. and none exist today that are profitable and have not been bailed out by government or private equity. Continue…

by Roger Montgomery Posted in Global markets, Manufacturing, Market commentary, Technology & Telecommunications.

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U.S. Senator from Vermont, Bernie Sanders, and Professor Geoffrey Hinton – considered the ‘Godfather of AI’ – pointed out last week at Georgetown University that artificial intelligence (AI) and robotics aren’t inherently bad, but the people pushing this technology revolution are the richest people in the world. They suggest that Musk and Bezos, for example, aren’t staying up at night worrying about ordinary people. They aren’t worrying about working people. They’re not spending hundreds of billions of dollars to extend life expectancy, address global warming, shorten the workweek, and guarantee high-quality health care. They simply want more wealth and more power. Continue…

by Roger Montgomery Posted in Market commentary, Technology & Telecommunications.

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November 19, 2025, marks Nvidia’s fiscal third-quarter earnings release for 2025 (Q325), and investors are holding their breath. The chipmaker, long the poster child for the artificial intelligence revolution, finds itself at a crossroads. With shares having pulled back almost 13 per cent in recent weeks amid heightened scrutiny, Q325 report could either reaffirm the explosive growth narrative driving technology valuations or fuel fresh doubts about an overheated artificial intelligence (AI) sector. Continue…

by Roger Montgomery Posted in Companies, Market commentary.

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With 30 per cent of the U.S. S&P 500 index trading at more than 10 times sales, and 13 per cent of the S&P 500 by index weight trading at 20 times price-to-sales (P/S) (a level that now surpasses the tech boom of 1999-2000), we’ll take a break this week from commenting further on market valuations and leave it to you to decide whether it’s wise to be fully invested in equities, or diversified.

This article was first published in The Australian on 21 November 2025.

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by Roger Montgomery Posted in In the Press, Technology & Telecommunications.

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I joined Phil Clark on Nightlife to explain why the market’s sharp fall may reflect growing doubts about the artificial intelligence (AI) boom. I argued that while AI is a powerful General Purpose Technology (GPT) that may change the world (like cars or the internet), it might not be as lucrative as investors hope. Today we’re seeing super-charged share prices, huge data-centre spending, complex vendor-financing deals and big losses at firms like OpenAI. Whether this proves a correction or a bust is unknowable, so my message to investors was simple: regularly rebalance and diversify beyond the AI winners.

Tune into the full episode from 4:49 here: ABC Nightlife Finance 

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by Roger Montgomery Posted in Market commentary, Market Valuation, Radio, Technology & Telecommunications.

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Sir Isaac Newton is enshrined in history as the saint of rational thought. He decoded the laws of gravity, invented calculus, and parsed the rainbow. Yet, in the spring and summer of 1720, the arguably most intelligent man in the British Empire made a series of financial blunders, recorded for posterity, and so catastrophic they have become a cautionary legend in economic and investment history.

Newton’s entanglement with the South Sea Company serves as a stark reminder: in the face of collective delusion and market mania, even a genius can be led astray. Continue…

by Roger Montgomery Posted in Investing Education, Market commentary, Technology & Telecommunications.

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On Monday the S&P/ASX 200 tumbled two per cent, led by a sell-off in tech stocks. It’s now down about seven per cent over the past month. Concerns about the end of the interest rate cycle in Australia, a lack of information on Wall Street and the forever present geopolitical fears seem to be weighing on investors.

On Fear & Greed, with Sean Aylmer, I explained that stretched valuations and a cooling of artificial intelligence (AI) optimism are prompting a shift in sentiment – but this isn’t a time to panic. It’s a reminder to rebalance, trim what’s run hard, and look to genuinely diversified, uncorrelated opportunities.

Tune in to the episode here: Q+A: What’s next after yesterday’s market tumble? Continue…

by Roger Montgomery Posted in Economics, Market commentary, Podcast Channel.

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I joined Juliette Saly on Ausbiz to reflect on how markets closed out in 2025 and what may lie ahead in 2026. Last year was again dominated by artificial intelligence (AI) and the Magnificent Seven (Apple, Microsoft, Amazon, Alphabet, Meta, Nvidia and Tesla). However, with valuations now stretched amongst these technology leaders, there may be opportunities for investors beyond the headlines.  Continue…

by David Buckland Posted in Companies, Market commentary, Small Caps, Stocks We Like, TV Appearances.

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2025 has been an eventful year, with some strong returns – but what comes next? I joined Sean Aylmer from Fear and Greed for their Summer Series to break down the forces that shaped markets this year. Looking ahead to 2026, I explain why investors should expect higher volatility, limited future gains given today’s stretched valuations, and why rebalancing portfolios into alternative offerings that are uncorrelated to markets should be considered. 

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by Roger Montgomery Posted in Economics, Global markets, Market commentary, Podcast Channel.

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