Introduction to Ribbon Finance

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​Ribbon Finance is a suite of DeFi protocols that help users access crypto structured products. By combining derivatives, lending and a proprietary on-chain options exchange (Aevo), Ribbon aims to be the one-stop solution for users who want to improve a portfolio's risk-return profile.
Here you can find the products descriptions and outgoing links to the different communication channels, where you can reach out to the Team and Community.
Theta Vaults (DOVs)
Theta Vaults, also known as DOVs (DeFi Options Vaults), were invented by Ribbon in 2021. At its core, a Theta vault is a yield-oriented strategy that proposes that depositors trade volatility on their underlying by selling European options with weekly expiration. The sale value of these options, or "premium," is set through auctions and determines the vault return. The vault reinvests the premiums earned back into the strategy, effectively compounding them for depositors over time.
There are two types currently active:
1.​Covered call selling: each week the vault issues OTM (out of the money) call options on all deposits.
2.​Put selling: each week the vault issues OTM put options on all deposits.
For more information you can check this section.
Ribbon Earn
The R-Earn vault employs a fully funded twin win strategy: depositors can capitalize on the intra-week ETH movements in either direction, while also ensuring their capital is protected. The vault earns a base APY and uses the remaining funding to purchase weekly at-the-money knock-out barrier options. 
The epoch of the vault is one month but the options purchased have a weekly expiry, so 4 options are purchased within one epoch. 
The weekly barrier options enable the vault to participate in any ETH upside up to 108% of the ETH's spot level at the start of the week (upside barrier) and any ETH downside down to 92% of ETH's spot level at the start of the week (downside barrier). However, if the price of ETH has increased or decreased by more than 8% at the end of the week, the barrier options expire worthless and the vault earns the base APY only.
For more information you can check this section.
Ribbon Treasury
Ribbon Treasury are private Ribbon Theta vaults built specifically for DAOs to run covered calls on their native tokens. These private vaults are segregated from the main Ribbon vaults, and run a custom strategy for each DAO. Each vault has a few unique parameters:
Strike Selection Methodology
DAOs can choose how aggressive they want to be with regards to the strike selection methodology. 
Tenor
DAOs can choose how often they want to run the strategy. The current Ribbon Vaults run a weekly strategy that automatically re-rolls, but DAOs can choose longer tenors.
Premium Currency
DAOs can also choose what currency they want to receive the premiums in. For example, a DAO could elect to receive premiums in USDC or ETH, depending on their treasury diversification goals.
For more information you can check this section.
Ribbon Lend
Ribbon Lend can be described as an uncollateralized Aave, allowing depositors to lend unsecured to KYC/AML’d institutional market makers of their choosing with high liquidity. Ribbon Lend offers the best of both worlds between TradFi and DeFi:
High yields from unsecured lending
No lockups from Aave’s money market model
Off-chain enforcement / credit underwriting
Built-in insurance
For more information you can check this section.
Aevo
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Theta Vaults (DOVs)
Ribbon Earn
Ribbon Treasury
Ribbon Lend