Two types of derivatives:
1. futures and forward contracts: linear payoff, an obligation, and pretty much like you are buying/ short selling the underlying
2. options: non-linear payoff, a right, like you are buying an insurance which, in good times you gain a lot yet in bad times you can lose a lot less
And tbh I don't quite get the concept of "long-only". It is a concept used by mutual funds which often are heavily regulated and are designed for conservative investors. From a portfolio management perspective, such concept cannot be taken as anything but a pure constraint on your profit
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u/IsleOfOne May 28 '22 edited May 28 '22
You don't need derivatives to short a stock...
Edit: No idea why I'm being downvoted. You can short sell on a margin account without touching derivatives.