74 Items
Investing 101
Weight Loss, No Ozempic Required: Whither the US Share of Global Stocks?
The US makes up 62% of global stock indexes, but just 42% of the world's total stock market value. Why the gap, and what might it mean for investors?
September 30, 2026
Investing 101
Keeping Your Float Afloat: A Guide to Earning What You Deserve on Your Cash
Most of us keep a chunk of cash on hand — a "float." It's not meant to grow your wealth over decades, but that doesn't mean it should be earning nothing...and yet, for a surprising number of people, that's exactly what's happening.
August 19, 2026
Investing 101
Perpetual Futures: Mechanics, History and Purpose
The CFTC recently cleared the way for a new kind of contract - the perpetual future - to trade in the United States, opening the door for platforms like Kalshi and Coinbase...but the decision didn't sit well everywhere.
August 4, 2026
Investing 101
What If Past Returns Were Indicative of Future Returns?
One of the central themes of our research is the importance of investment sizing. We’ve always preferred a more forward-looking approach – and to see why that’s our preference, it’s helpful to be precise about what we mean by 'expected return.'
July 29, 2026|6 min
Featured Insights
When Fear Spikes, Should You Buy?
High VIX readings may feel unsettling, but they've often coincided with attractive long-term buying opportunities.
June 30, 2026|5 min
Investing 101
Odds on Open: LTCM Co-founder Victor Hagani: “Taking Risk Is Always a Negative.”
In this episode of Odds on Open, we sit down with Victor Haghani to dissect why institutional alpha frequently breaks down during the position sizing phase.
June 18, 2026
Interested in more like this?
Subscribe to our mailing list and get notified about new Elm news and research.
Subscribe
Featured Insights
Where's My Lunch?
By design, a well-diversified portfolio always contains investments you may end up regretting...but that discomfort is the price of avoiding catastrophic outcomes.
May 11, 2026
Investing 101
Vanguard's World Stock Market ETF: Is the Whole Better than the Sum of the Parts?
Vanguard's Total World Stock ETF is an elegantly simplistic product...but is simplicity costing you money?
May 4, 2026
Investing 101
Mega-IPOs and Index Fund Mechanics: Much Ado About Nothing?
Rather than worrying about IPO inclusion timing, investors would be better served focusing on the long-term expected returns of the markets they're invested in.
April 20, 2026|4 min
Featured Insights
Robbing Peter to Pay Paul: A(nother) Look at Long/short Direct Index Tax-Loss Harvesting
The case for LSDI improves meaningfully in specific circumstances, but for many investors being pitched the strategy, the math doesn't support the hype.
April 13, 2026|9 min
Investing 101
The New Yale Model
Regular readers know we've been evangelizing a unified approach to lifetime investing and spending for a long time, which is why we're so excited about the work Yale Professor James Choi is doing.
March 18, 2026
Investing 101
Concentrating on Concentration
The US stock market is heavily concentrated in a handful of technology companies, and many investors and commentators find this alarming - arguing that such concentration makes the market riskier.
February 26, 2026