Copley & Son: Monthly Momentum
Devon | Monthly Momentum, Don CopleyEvidence-based index fund investing for retirement accounts (IRAs): a self-run trend-following strategy that delivers better long-term returns with far shallower drawdowns than buy-and-hold.
| Platform |  | Pricing | Only free issues | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 20 | Founded | 5 months ago | Last Issue | 7 days ago |
| Active | |||||
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copleyandson.substack.comLatest Issues
Monthly Momentum: Version 9
I can’t just leave well enough alone.
After the 8.0 revision last month, in which we added more principled day-of-month testing which reduced our headline numbers, I really wanted to get back to the high-water-mark we had published earlier...
Monthly Momentum: November 2026 Trades
Every month, on the last trading day, our model generates trades. Trade signals are free to all subscribers through December’s trade, one month from today. We post every trade to a public, append-only record, so the history can’t be edited,...
The Midterms and the Market
This week, a few days before the November midterm elections, an acquaintance of mine (whom I’ll call Robert) asked me a question that has probably occurred to many investors: “Should I change my investments before the election?”
Robert was...
Mechanism Monday: Gold
Gold is unlike anything else. For millenia, gold’s rarity, along with its unique physical properties, have made it a substance of unusual value. When building an investment portfolio, though, it’s easy to underestimate its uniqueness. Some...
Volatility Without Panic
Keeping Our Heads When the Screen Turns Red
Market volatility is the price investors pay for the possibility of long-term growth. It is unpleasant, sometimes alarming, and almost never convenient. Yet a sharp market decline is not auto...
Audience Metrics
Subscribers, engagement, traffic and sponsorship for Copley & Son: Monthly Momentum.
| Subscribers | Engagement | 73 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
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Authors
The writers behind this newsletter.
Sharing the monthly ETF trading strategy I built with my dad, delivering superior returns and lower drawdowns for retirement accounts.
Retired cardiologist; father of two and grandfather of four; Buffalo-born and Yale-educated; creator of the Monthly Momentum trading strategy.
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