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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Illustration with Chat GPT showing a split-screen infographic showing two sides:- Left side: Tradfi - Calm stock ticker (e.g., AAPL, FX), limited venues (e.g., NYSE, LSE), a clock showing "9–5"- Right side: Crypto - Dozens of fragmented exchange icons/logos, flashing red/green candles, clocks showing different global time zones, and a Bitcoin chart with 10% spikes

Opinion

How Crypto Market Making Differs from Traditional Finance?

How Crypto Market Making Differs from Traditional Finance?

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A split-screen illustration contrasting two meme coin archetypes. Left side: Rug pull meme coin (e.g., rocket crashing, money flying out, shocked holders) Label: “Extractive: Built to Exit” Right side: Thriving meme coin community (e.g., people with banners, digital culture symbols, code and memes overlapping) Label: “Cultural: Built to Belong” Title Caption: “The Two Faces of Meme Coins”

Thought leadership

More Than a Joke: The Cultural Power of Meme Coins

Meme coins: extractive hype or digital identity? The culture behind crypto’s wildest tokens

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Flat-style digital illustration depicting a plug connecting a green money bag to a floating Mog coin, surrounded by clouds. On the right, a green candlestick chart and upward arrow symbolize rapid market growth. The image conveys the automation and acceleration of meme coin launches.

Thought leadership

Pump.fun and the Meme Coin Machine

Pump.fun turns meme coin creation into a 24/7 on-chain speculation engine.

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A Solana-branded high-speed train racing through a stylized landscape at sunset, symbolizing Solana’s speed, resilience, and momentum in 2025.

Thought leadership

Solana in 2025: From Ethereum Challenger to Consumer-Scale Blockchain

Solana proves its resilience and scalability as it races to rival Ethereum in 2025.

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A golden balance scale with Bitcoin, Ethereum, Solana, and a stablecoin symbol on one side, weighed against icons for volatility, regulation, and slippage on the other, illustrating the challenges and opportunities of digital asset treasuries.

Thought leadership

The DAT Reset: Why the Bubble Burst — and Why Today’s Entry Point Is Better Than Ever

Why DATs reset after the bubble, and why today’s entry point is stronger.

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