Options
Calls, puts, the Greeks, and the strategies built from them.
intermediateOptionsPremium
What Is An Option?
A first-principles guide to options: the right but not the obligation, calls and puts, strike and expiration, what drives the premium, the crucial buyer–seller asymmetry, and the real risks of leverage.
advancedOptionsPremium
What Is A Debit Spread?
A detailed guide to the debit spread — a defined-risk options strategy that buys one option and sells another to cut cost and cap both loss and gain. Construction, payoff maths, a full worked example, and when to use it.
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