https://capalpha.ch/research/Covered-call and cash-secured-put research from CAPAlpha.enhttps://capalpha.ch/research/gpiq-vs-diy-covered-calls-on-qqq/https://capalpha.ch/research/gpiq-vs-diy-covered-calls-on-qqq/Mon, 28 Sep 2026 00:00:00 GMTGPIQ compared with 70 DIY covered call strategies on QQQ over the same 2 years: total return, upside drag and monthly Sortino, from an income investor's view.https://capalpha.ch/research/jepq-qqqi-vs-diy-qqq-covered-calls/https://capalpha.ch/research/jepq-qqqi-vs-diy-qqq-covered-calls/Mon, 28 Sep 2026 00:00:00 GMTHow the JEPQ and QQQI covered-call ETFs compare with QQQ over their full histories, and with a 5-year grid of DIY QQQ covered-call strategies.https://capalpha.ch/research/spy-covered-calls-vs-dividend-aristocrats/https://capalpha.ch/research/spy-covered-calls-vs-dividend-aristocrats/Fri, 25 Sep 2026 00:00:00 GMTCovered calls on SPY vs the Dividend Aristocrats ETF (NOBL): a 5-year backtest of tenors and strikes, and whether NOBL itself works as a covered-call underlying.