Every ship — and every trading book — has a stability curve. This is ours, and it's why Set Ballast exists.
The vocabulary, mapped to a book
HeelThe list off center. In a book, that's drawdown — how far the account has rolled off even.
Righting armThe force trying to stand you back upright. That's the ruleset: cuts, stops, dry powder, the Set Ballast gate.
Max GZThe peak of the curve — the worst list you planned for and still expect to recover from.
Vanishing stabilityWhere the curve crosses back to zero. Past it, the ship — or the account — wants to finish the roll.
The product isn't a chart that goes up forever. It's the discipline of staying left of the vanishing point. Drawdown is weather. Capsize is a decision.
Premium stretches and liquidation flushes are the sea. Ballast is what you add before you add sail. Set Ballast is the checklist every trade walks through. The GZ curve is the physics underneath both — the reason the rule exists at all.