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You've Been Doing Covered Calls Wrong. Here's the Smarter Way to Think About Them.
A covered call and a short put at the same strike have identical risk profiles. Same P&L at every price. Same Greeks. The only difference: $15,000 in capital vs. $3,000. The risk equivalence that changes how professionals deploy capital.
Andrew Crowder
IV Rank vs. IV Percentile: Why Every Premium Seller Needs Both (and Which One I Trust More)
IV Rank uses 2 data points. IV Percentile uses 252. A single spike can blind IVR for months while IVP stays accurate. Learn the formulas, the spike distortion problem, and how to use both together with real examples.
Andrew Crowder
The Jade Lizard: How to Sell Premium With No Upside Risk
A jade lizard combines a short put with a bear call spread. When the total credit exceeds the call spread width, upside risk is zero. 20-30% more premium than a cash-secured put with the same downside exposure. Setup, construction, and management.
Andrew Crowder













