> For the complete documentation index, see [llms.txt](https://piggybank.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://piggybank.gitbook.io/docs/extra-yield/overview.md).

# Overview

PiggyBank provides vaults for earning extra yield on top of a wide range of digital assets: tokenized stocks, cryptos, RWAs, stable-coins...  Leveraging PiggyBank vault infrastructure, the yield is generated through multiple strategies:

* **Carry Trade -** Borrowing stablecoin against collaterlized asset and deploying into PiggyBank delta neutral multi-strategy allocation.
* **LPing -** AMM pool LPing with Impermanent Loss (IL) hedged with options.
* **Market Making** - Risk free spot price arbitrages accross DEXs and CEXs.

## Carry Trade Strategy

As an example let's consider our carry trade strategy that leverages PiggyBank vault infrastructure to generate yield on top of xStocks spot exposure. It captures the spread between Kamino/Loopscale xStocks market borrowing rate and our delta neutral multi-strategy allocation (same as for USDC vault).

* Collateralize xStocks deposits on lending market (eg. Kamino, Loopscale...)
* Borrow USDC and bridge through CCTP
* Deploy USDC on delta neutral strategy
* Monitor delta neutral strategy performance
* Realize performance back to xStocks, by swapping USDC to underlying asset on a swap aggregator (eg. Titan exchange, Jupiter)
* Report realized performance to vault

<figure><img src="/files/tpcjWrE2L7XBgnHpxT8o" alt=""><figcaption></figcaption></figure>

### Integration Points

The strategy integrates with:

* **Kamino/Loopscale** - For collateralized lending
* **CCTP** - For cross-chain USDC transfers
* **CEXs/DEXs** - For delta-neutral strategies execution
* **Jupiter/Titan** - For swap operations


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