> For the complete documentation index, see [llms.txt](https://onchaintrade.gitbook.io/ot/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://onchaintrade.gitbook.io/ot/perpetuals-trading/nft-perps.md).

# NFT Perps

### Mark Price

NFTs by nature lacks liquidity on its spot markets, this is due to small market caps and how they are traded. In order to avoid price manipulation and provide a fair mark price, we have researched over the past few months and worked out a mechanism to privde reliable pricing for NFTs.

**Floor Price**: the lowest price offer by sellers on opensea and blur.

**Top Bid/Best Offer**: The highest bid price on opensea and blur.

$$
Average Spot Price = (FloorPrice +  TopBid)
/2
$$

**Most Recent Trade Price**: recent 10 trade price within 15% of AverageSpotPrice

**Mark Price** = Average Price of **Most Recent Trade Price.**


---

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