There is currently 116.8K BNT and 625.8K MANA tokens in the BNT-MANA pool. This has resulted in a pool that has roughly 1.6M in liquidity. At the moment, LPs on the TKN side (MANA) can’t provide single sided liquidity since there is no capacity. This proposal is seeking to increase single-sided capacity in the MANA pool by increasing the Co-investment limit to 500K BNT.
If we want to attract more MANA LPs to Bancor, we need to open up space in the pool so that they can provide single sided liquidity. This would allow us to grow the liquidity in the pool and attract larger trades towards our platform which ultimately results in higher fees for Bancor.
The MANA-BNT pool data shows that it has roughly filled up completely on the week of 3/8/2021:

This suggest to me that there is demand for LPs on the MANA side to provide liquidity and we should open up space from our side.
The top pool for MANA is on Uniswap (not much on other DEXes) and it is paired with ETH. We should strive to make the Bancor pool deeper to support larger trades (equates to lower slippage).

Currently, this pool is filled completely on Bancor and LPs can’t provide single sided liquidity on the TKN side (MANA). I am proposing a 500K Co-investment limit for the MANA pool which should open up roughly 3.5M in single sided liquidity (assuming BNT price at $7.00). If this pools fills up completely, we would have a pool that’s roughly ~7M in depth. Our pool will also be competing with CEXes that also have large amounts of MANA

If we attract MANA LPs and grow the pool to its full capacity, we will roughly have ~2.69M in MANA tokens (assuming price of $1.30 for MANA) which would put us in the ~9th place among CEXes.