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DefinitionAug 16, 2026

Definition of invalidation

Invalidation is the point at which a trade idea is considered wrong enough that the original thesis no longer holds.

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DefinitionAug 16, 2026

Definition of drawdown

A drawdown is a decline from a previous equity peak to a later trough. It is a normal part of uncertain trading outcomes and a reminder that trading is not guaranteed income.

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DefinitionAug 16, 2026

Cash-secured put definition and payoff

A cash-secured put is a short put backed by enough cash to buy 100 shares if assigned. It collects premium but still carries substantial stock-like downside after assignment.

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DefinitionAug 16, 2026

What Is Leverage?

Leverage is using a smaller capital base to control a larger market exposure. It can amplify gains, but in a risk first framework its main importance is that it can also magnify losses and make small moves matter much more in account terms.

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DefinitionAug 16, 2026

Definitions: Resistance

Resistance is a price area where selling is likely to emerge and dampen further rise. As with support, the article treats it as a zone rather than an exact line.

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DefinitionAug 16, 2026

What Is Margin?

Margin is the collateral or deposit required to open and maintain certain leveraged positions. It is important because it is not the same as maximum loss, and traders can confuse a small deposit with limited downside.

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