Alexander Campbell
Founder & CEO, Rose AI; ex-macro investor, Bridgewater
Alexander Campbell is founder and chief executive of Rose (Rose AI), a New York technology company whose platform lets clients manage, work with and sell their data. He says he previously worked at Bridgewater Associates and Lehman Brothers. He writes the Substack newsletter Campbell Ramble, described on the site as "Occasional observations about markets, data, and the broader world", and the ideas collected here are mostly commodity and macro calls — gold, silver, crude, grains and rates.
Leaderboard rank
Open in leaderboard →| Horizon | 7D | 30D | 90D | 180D | 360D | AVG |
|---|---|---|---|---|---|---|
| Rank | #258 | #780 | #729 | #265 | — | #486 |
| Calls | 79 | 78 | 73 | 72 | 0/10 | 78 |
| Avg return | +0.8% | -1.1% | +1.6% | +11.2% | — | +2.9% |
| vs S&P 500 | +0.8 pp | -1.6 pp | -4.7 pp | +0.1 pp | — | -2.3 pp |
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Alexander Campbell has 73 trade ideas tracked on Buzzberg across 72 tickers since November 2025. Win rate 48% across 71 evaluated calls, average return +8.0%. Ranked #780 on Buzzberg's 30-day Authors leaderboard. Most covered: GLD, SILVER, USO.
Historical call returns are modeled from recorded ideas and stored prices, not actual brokerage portfolio returns. Check the evaluated call set and horizon; past results do not establish future prediction accuracy. Explore our data and methodology
