Taym Moustapha

Head of Trading

Taym has 10+ years of experience leading high frequency trading operations. Prior to joining Portofino in 2021, Taym headed the systematic trading team in European equities, futures, and options at Citadel Securities. He holds an MSc in Applied Mathematics from École Polytechnique and an MSc in Mathematics in Finance from New York University.

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Articles by this author

Stack of layered red and green tiles symbolizing order book depth, placed over a digital trading interface with price charts and candlestick patterns in the background.

Opinion

How do you measure the efficiency of a market maker?

Learn how to measure market maker efficiency beyond bid-ask spreads

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Illustration of a market maker balancing a scale with cryptocurrencies on one side and trading elements on the other. The left pan contains Bitcoin, Ethereum, and other crypto coins, while the right holds stock charts, buy/sell orders, and financial documents. A figure stands at the center, stabilizing the scale with a trading chart above.

Opinion

What do market makers actually do—and why do they matter?

Discover the crucial role of market makers in crypto

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Circular diagram titled 'Virtuous Circle of Trust' showing four interconnected stages: Enhanced Liquidity, New Investors, Prices Stability, and Healthy Order Book, each represented by an arrow feeding into the next

Opinion

Why Great Market Makers Are Strategic Partners

Great market makers do more than provide liquidity—they’re strategic partners

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Metaphorical illustration comparing real liquidity and wash trading with two Market Scenes - One with a crowd of diverse traders (representing real liquidity). - One with clones (representing fake volume via wash trades).

Thought leadership

The Pitfall of Crypto Market Liquidity: Wash Trading

Understanding the true role of market makers in building healthy markets

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