⌛Dollar-cost average orders
Place orders that execute over time to enter and exit positions more efficiently or even programmatically
Ekubo's first extension is the TWAMM, or "time-weighted average market maker," which shows up in the interface as "DCA" orders and "DCA-enabled" pools. DCA orders are orders to sell a token at a specified rate between a start and end time. The mechanism involved in executing Ekubo's TWAMM orders is best described by Paradigm.
DCA-enabled pools are liquidity pools that use the extension to make these orders possibly by supporting trades when the buy and sell DCA orders are imbalanced.
In practice, execution of orders happens up to once per block. On Starknet, blocks occur approximately once per 6 minutes, so DCA orders are best suited for trades that happen over hours, days or weeks--at least until block times on Starknet are shorter.
Orders on both sides of a DCA-enabled pool are netted against each other, and the difference is swapped on the pool to compute the resulting price for the orders.
Ekubo's TWAMM implementation is integrated into the core protocol via Extensions. There are two new features in the user interface:
DCA-enabled pools: liquidity pools that use the TWAMM extension
Provide liquidity to these pools to earn fees from DCA orders as well as regular swap volume
Concentrated liquidity is not supported for these pools
DCA orders: orders that sell a token over a specified period for a specific pool
Because the price is not known at the time of the swap, "exact output" swaps are not supported
There is no price protection--you may stop an order at any time
Pricing is efficient thanks to efficient arbitrage
Because TWAMM pools are cheaply aggregated with other pools in Ekubo, and opposite orders are netted against each other, DCA orders provide efficient pricing and lower fees for large swaps, i.e. you are likely to receive the time-weighted average price of the pair on your order.
Consider using TWAMM in the following cases:
When moving large amounts of capital into and out of positions where the order books are thin
When converting tokens programatically
When you want to buy/sell a token but don't want to time the entry/exit
Creating DCA orders
The ability to place DCA orders is available in the interface here.
DCA orders pay fees in 2 ways:
When you stop the order, you pay a fee to the liquidity providers of the pool on which you placed the order
When the orders are imbalanced, you pay fees to liquidity providers of the pool on which you placed the order to swap your tokens
The contracts allow durations between 1
second and 2**32
seconds, but the specified start and end time for an order must follow certain rules to be valid.
Adding liquidity to DCA pools
You can create DCA-enabled pools to support trades of a specific DCA pair providing backstop liquidity to the DCA-enabled pools. This liquidity has exclusive rights to the TWAMM volume. Orders cannot be placed between two tokens until there is at least 1 direct DCA-enabled pool.
This per-second splitting of your trade maximally limits the impact of your trade. All you have to do is specify an amount, and Ekubo will find the best pools to split your trade across, just like it does when you swap on Ekubo. In addition, your order is netted against swap volume in the opposite direction and any volume that need not reach the backstop pays 0 fees, further improving pricing. When you place an order, you will receive an NFT representing your ownership of the order.
Much like the NFT you receive when you create a position: you should never sell this NFT. If you sell the NFT that you get for placing an order, you give up the right to the capital associated with it.
Fees
All fees from the DCA orders are directed towards liquidity providers of the pool on which the order is placed.
DCA orders incur fees when stopped, or when there is no volume on the other side of the trade and the order must be executed against the liquidity pool.
The fees paid to liquidity providers when orders are executed against the pool are like regular swap fees.
In the case of stopping an order, the fee is paid to liquidity providers at the time the order is stopped from the remaining amount to be sold. This serves two purposes:
Incentivizes providing liquidity where there is already a lot of TWAMM volume
Helps with fragmentation of TWAMM liquidity
Prevents spoofing of large orders
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