# Instant Market Listings Deposit [Instant Market Listings](https://docs.dydx.community/dydx/dydx-features/instant-market-listings) allow users to list a perpetual market on dYdX immediately, without governance or third-party approvals. Funds are locked in a sub-vault to ensure initial market liquidity. The following are Instant Market Listings Deposit parameters (`ListingVaultDepositParams`) adjustable by dYdX governance:
| Title | Value | Definitions | | ------------------------------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------ | --------------------------------------------------------------------------------------------------- | | [NewVaultDepositAmount](https://github.com/dydxprotocol/v4-chain/blob/c9f988ba118531934dc6abe8a07ad8ae5dbe1760/protocol/x/listing/types/params.go#L8) | 10000000000 \[10,000 USDC] | The amount of funds that will be added to the new sub-vault. | | [MainVaultDepositAmount](https://github.com/dydxprotocol/v4-chain/blob/c9f988ba118531934dc6abe8a07ad8ae5dbe1760/protocol/x/listing/types/params.go#L9) | 0 \[0 USDC] | The amount of funds that will be added to the main vault (MegaVault). | | [NumBlocksToLockShares](https://github.com/dydxprotocol/v4-chain/blob/c9f988ba118531934dc6abe8a07ad8ae5dbe1760/protocol/x/listing/types/params.go#L10) | 30 \* 24 \* 3600 \[2,592,000 blocks or approximately 30 days based on 1 second block time] | The number of blocks for how long the funds will be locked or cannot be removed from the sub-vault. |