Trading

Market Maker

By Ryan Silk & Lawrence Polatchek · Reviewed April 2026 · Options Trading Glossary

Liquidity provider

What is Market Maker?

Market Maker A firm that provides liquidity by quoting both bid and ask prices. Market makers profit from spreads and delta hedge to remain neutral. They drive GEX dynamics.

Complete Definition

A firm that provides liquidity by quoting both bid and ask prices. Market makers profit from spreads and delta hedge to remain neutral. They drive GEX dynamics.

Related Terms

Bid Ask Spread Gamma Exposure Delta Hedging

Written by

ApexVol Research Team

Quantitative options research

All calculations use live ORATS institutional data — the same source used by professional volatility desks.

Technical reviewer

Ryan Silk, ApexVol Founder

Reviewed for technical accuracy

10+ years trading options. Built ApexVol's pricing engine, Greeks model, and IV-rank methodology.

This guide is updated as market conditions and ORATS data change. Last revised 2026-05-12. How we research →

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