Jordi Alexander
Founder & CEO, Selini Capital
Jordi Alexander is the founder and chief executive of Selini Capital, a digital-asset firm focused on systematic trading and venture investing that he started in 2021. In July 2023 he also took the title Chief Alchemist at Mantle, an Ethereum layer-2 network, advising on partnerships, founders and product design, with Selini acting as a liquidity and venture partner; in February 2025 Mantle named him to lead MantleX, its AI division. Before crypto he played poker professionally for a few years and worked as a high-frequency and quantitative trader, including at Tower Research Capital. He is a 2012 graduate of INSEAD. He continued to play poker recreationally and won his first World Series of Poker bracelet, in the $10,000 Razz Championship, in June 2024. He co-hosts the Steady Lads crypto podcast and is known for applying game theory and probabilistic frameworks to crypto investing.
Leaderboard rank
Open in leaderboard →| Horizon | 7D | 30D | 90D | 180D | 360D | AVG |
|---|---|---|---|---|---|---|
| Rank | #858 | #419 | #117 | #42 | #43 | #120 |
| Calls | 47 | 40 | 38 | 34 | 26 | 40 |
| Avg return | -1.9% | +0.2% | +10.6% | +25.0% | +2.8% | +10.0% |
| vs S&P 500 | -1.3 pp | +0.6 pp | +6.9 pp | +17.4 pp | -9.2 pp | +7.0 pp |
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Showing 0 of 33 calls · sorted by mentions
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Jordi Alexander has 34 trade ideas tracked on Buzzberg across 33 tickers since July 2023. Win rate 48% across 33 evaluated calls, average return +13.3%. Ranked #419 on Buzzberg's 30-day Authors leaderboard. Most covered: BTC, ETH, HYPE.
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
