# Instant Market Listings Deposit

[Instant Market Listings](/dydx/dydx-features/instant-market-listings.md) 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:<br>

| 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. |


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