The Portfolio Armor Substack

The Portfolio Armor Substack

Runner Review, 10/11/2026

Initial and revised targets

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Portfolio Armor
Oct 12, 2026
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Our Weekly Runner Review

Our runner targets use Friday’s close, current option data, time to expiration and approaching company-specific catalysts.

For uncapped calls, we use the at-the-money straddle to estimate a stock-price move and value the call under Black-Scholes, Bjerksund-Stensland and a binomial model. We start with the lowest of the three model…

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