Straddle
Buying a call and a put at the same strike, profiting from a large move in either direction.
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Calendar Spreads
A calendar spread sells a near-dated option and buys a longer-dated one at the same strike, profiting from the faster decay of the near leg if price sits near the strike. This lesson builds call and put calendars, explains why they are long time-decay and long volatility, shows the curved payoff at the near expiry, covers the diagonal variation, and shows how to rehearse them in the Options Lab.
0DTE & Short-Dated Options
Zero-days-to-expiration options — contracts that live and die in a single trading session — have grown from a curiosity to roughly half of all S&P 500 index-option volume. This lesson explains what 0DTE, 1DTE and weeklies are, why their gamma and theta behave so violently, the crucial difference between cash-settled index and physically-settled stock options, and the risks that make them a professional's precision tool and a beginner's fast way to lose money.
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