Glossary

Backwardation
When the price of the futures is lower than the spot price of the underlying asset.
Collateral ratio
When borrowing on a fixed rate protocol, this is the value of the collateral, in debt terms, relative to the size of the debt.
Composability
Ofter referred as 'money lego' thesis: it refers to the idea of building new DeFi protocols on top of  others (e.g. Contango is built on top of fixed-rate markets, and at the same time it could be leveraged by new protocols to create structured products on top of it).
Contango
When the price of the futures is higher than the spot price of the underlying asset.
Expiry date
The settlement date at which the price of the futures is identical to the spot. 
Flash swap
An atomic transaction where output tokens are sent to the recipient before enforcing that enough input tokens have been received. See Uniswap docs.
Fixed-rate market
A market that offers the possibility to borrow and lend assets at a fixed rate for a fixed amount of time. E.g Notional or Yield.
Funding rates
Variable interest rate on the underlying debt, charged periodically by derivative exchanges to keep the price of perpetual futures tethered to the index price of the underlying asset.
Index price manipulation
The manipulation that can occur when futures are cash settled. See this article for more details.
Inverse contract
E.g. an ETHDAI inverse contract is simply the opposite pair DAIETH, so it’s quoted in ETH and all margin and PnL calculations are also denominated in ETH.
Leverage
Borrowed capital that allows traders to amplify their buying or selling power.
Linear contract
E.g. an ETHDAI linear contract is quoted in DAI and all margin and PnL calculations are denominated in DAI.
Liquidity pools
Crowdsourced pools of tokens that facilitate trading without an order book between buyers and sellers. The deeper the liquidity of the pool, the smaller the price impact of each trade. 
Margin ratio
This is the value of the margin, posted by a trader, relative to price to open a position.
Price impact
The change in price that is directly caused by the size of a trade. Larger transactions cause higher price impacts. It differs from slippage, which is caused by external broad market movements, unrelated to the trade. See more at 1inch.
Spot market
A market that offers swapping assets at the spot price. eg. Uniswap.
Tokenized NFT position
An ERC-721 Non-Fungible Token that represents ownership of a position. Tokenizing a position allows the independent transfer of its ownership without the need to update Contango's internal accounting. This enhances composability, as positions can be bought and sold on a secondary market or in a private transaction, and potentially used as collateral in third party protocols.
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