Doug Colkitt - The Evolution of Markets - [Invest Like the Best, EP. 255]

Episode Summary

Executive Summary: Patrick O'Shaughnessy interviews Doug Colkett on how modern markets work, why HFT firms win through speed, data, and tight execution, and how DeFi/AMMs evolve from Uniswap to CrocSwap’s single-contract DEX. The episode connects traditional market microstructure to crypto infrastructure and argues lower frictions unlock more liquidity, price discovery, and broader market access.

Main Topics: Doug Colkett’s career path (Priority: 5/5): From Citadel HFT to solo trading to building CrocSwap, he learned markets by trading inefficient ones. How HFT firms make money (Priority: 5/5): HFT profit comes from tiny edges repeated at massive scale, backed by fast infra and prediction models. Limit order books and market making (Priority: 4/5): The book coordinates buyers and sellers, but concentrated liquidity and automation may improve on it. Automated market makers and DeFi (Priority: 5/5): AMMs trade off capital efficiency for accessibility, and Uniswap/Curve expanded the model fast. CrocSwap and the single-contract DEX (Priority: 5/5): CrocSwap aims to cut gas, taxes, and operational friction by netting activity inside one contract. MEV, tokens, and DeFi market structure (Priority: 4/5): Execution order, token incentives, and governance shape who captures value in crypto markets. Future of on-chain markets (Priority: 4/5): Colkett expects real-world assets, margin, and cross-market liquidity to move further on-chain.

Key Arguments: HFT wins by small edges at huge volume; 51% edge over 10,000+ trades becomes reliable. Strategy is only ~10-15% of code; most work is data feeds, reconciliation, and low-latency infra. Liquidity takers can outperform makers by arbitraging index futures against stock prices. AMMs solve access, but classical pools are capital-inefficient for narrow price ranges. Concentrated liquidity improves price discovery and should beat classical AMMs in liquid markets. Single-contract DEXs can cut gas 10-20% for traders and 50-70% for LPs. DeFi tokens act like equity: they can convey revenue rights plus governance. MEV is value from transaction ordering; better front-end systems can reduce user losses. Stablecoins are the biggest unmet DeFi demand, especially in countries with weak dollar access.

Data Points: Strategy vs. infrastructure share of codebase: 10% to 15% - Doug says the glamorous trading logic is only a small part of an HFT stack. HFT profitability edge example: 51% - He uses a biased-coin analogy to explain why a tiny edge can compound. Trade count in edge example: 10,000 - The law of large numbers makes small per-trade edges reliable at scale. CME direct market access at one point: only individual - Doug says he may have been the only individual with direct CMA DMA access. Gas fee reduction for traders: 10 to 20% lower - Expected improvement from CrocSwap’s single-contract design. LP gas fee reduction: over 50% reduction - Single-contract netting lowers LP action costs materially. LP gas fee reduction upper case: as much as 70% - For active quote-moving liquidity providers in some cases. AMM trading fee example: 0.1% - Used as a simple illustrative fee in the discussion of pool economics. Uniswap pool fee example: 0.3% - Used in the explanation of how fees are split among LPs and protocol. Protocol fee split example: one six - Doug says roughly one-sixth of a pool fee can go to protocol fees. Curve/Uniswap growth: more than a thousand percent - He describes the DeFi DEX space growing over the prior year. SushiSwap market-share grab: almost 50% - A vampire attack pulled liquidity from Uniswap quickly. MEV acronym: minor extractable value - Defined as value from transaction ordering and inclusion priority. US DeFi industry revenue estimate: a few billion a year - Doug’s rough estimate for US equities-style HFT capacity/revenue. Broad HFT capacity range: 2 to 20 billion - His rough estimate depending on how HFT is defined. Ethereum contract size limit: 24 kilobytes - He cites the size constraint as a key engineering challenge for single-contract DEXs.

Pivotal Quotes: "The one group there that was consistently making money, making a ton of money was the HFT Group." — Doug Colkett: Why he gravitated toward high-frequency trading at Citadel during the financial crisis. "I think concentrated liquidity is the future" — Doug Colkett: His core thesis on where DEX design is heading. "Markets a network the value of a network scales with the size of a network" — Doug Colkett: Why native tokens and early-user incentives matter for DeFi protocols.

Implications: The next battleground is not just token design but market plumbing: if single-contract DEXs and better stablecoin rails succeed, on-chain trading could expand into real assets and margin.