# Derivative Products

For the time being, Deri Protocol offers three major products: **Perpetual Futures, Everlasting Options and Power Perpetuals**. Perpetual futures, Everlasting options ans Power Perpetuals are similar in that they are both funding fee-based perpetual derivatives. With these derivatives, the user has to pay a funding fee to maintain the position, unlike regular futures which have an expiry date. 

The primary difference between perpetual futures and everlasting options is the payoff function attached to the derivative. Perpetual futures are a linear payoff function. If we take Bitcoin as example, if bitcoin (BTC) rises, the holder of the derivative would actually make money, and if it drops, the holder would lose money.

In comparison, the payoff function for everlasting options is non-linear. To use the same example for a call option: If the bitcoin rises, the holders make money, and they lose nothing if it decreases. For maintaining this less risky position, the user is generally charged a fee on a per-second basis.

Everlasting options which are implemented as a decentralized protocol are one of the groundbreaking & pioneering  DeFi primitives. This is a new type of derivative that allows traders to have unprecedented never-before-seen long-term exposure without having to roll positions. This work is based on a theoretical paper by Dave White & Sam Bankman-Fried & the extension of the Deri Protocol team\
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Read our Whitepapers to learn more about Deri Protocol's major products: [**click here**](/library/whitepaper.md)<br>


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