Options and futures can be used for their inherent leverage. There are many strategies to trade these, however this only focuses on their use as leverage.
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The [Bogleheads forum](https://www.bogleheads.org/forum/index.php) has some good threads on this:
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Forum threads:
- [Futures vs. Options for broad-market leverage?](https://www.bogleheads.org/forum/viewtopic.php?t=280676)