New York · Listed Options
Structure for markets in motion.
Wall and Water Capital is an options trading firm built on disciplined risk management and rigorous process.
Headquarters
New York
Focus
Listed options
Discipline
Risk defined in advance
Access
By invitation
Approach
Three principles. Applied without exception.
01
Risk first
Every position begins with its risk defined. Preserving capital is the foundation everything else is built on.
02
Process over prediction
We respond to what markets do, not to what we expect them to do. The process is constant; conditions are not.
03
Accountable judgment
Technology widens what we can see. People remain responsible for every decision and every limit.
Perspective
Markets now move at machine speed. Limits are still set by people.
Information is instant and universally available. What distinguishes a firm is the discipline to act on it within limits defined in advance — and the accountability to honor them.
The Firm
The name is the operating model.
Wall and Water Capital is a New York–based firm focused on listed options. Two ideas govern how it operates.
Wall
Limits that hold.
Risk parameters are set before capital is committed, and they do not move with sentiment.
Water
A view that moves.
Our read of the market adapts continuously as conditions, liquidity and volatility change.
Leadership

Simon Andrew Martin
Founder and Principal
Simon Andrew Martin is the founder and principal of Wall and Water Capital, where he leads trading and risk. Based in New York, he has built companies across search, marketing and media, and brings the same operating discipline to markets: defined limits, consistent process and full accountability for every decision.
LinkedIn →Perspectives
Commentary on options markets and market structure, published on LinkedIn.
Follow on LinkedIn →Client Access
Access is by invitation.
Clients may sign in to the portal. All others may request an invitation.
Submitting a request does not create a client, advisory or fiduciary relationship. Wall and Water Capital will never ask for brokerage logins or account credentials.