SAIC - QQQX: A Slightly Better Choice To QQQ But Don't Expect Positive Returns March, 28 2022 03:50 PM SCIENCE APPLICATIONS INTERNATIONAL CORPORATION QQQX uses covered calls to generate income. The strategy has two major drawbacks. We go over these drawbacks and how investors can generate better risk-adjusted returns. For further details see: QQQX: A Slightly Better Choice To QQQ, But Don't Expect Positive Returns