Understanding Multi-Strategy Vault Fees

Belt.fi v2's Multi-strategy system does not charge fees on its own but has fees based on the strategy protocols used by the vaults. Any unused fees will be capital to pool.

Entrance Fees
Fundamentally, Belt.fi BeltMultiVaults do not take any entrance fees to our own contract. Any entrance fees arising are those of the strategy protocol at time of deposit. 
Deposits in our vaults happen through one of two processses:
deposit2 (directDeposit)
This is an immediate, direct deposit to a strategy protocol's vault/pool. Belt Finance itself does not charge any fee and any fee that does arise is the entrance fee for that particular protocol. 
deposit1 (delayDeposit)
This is a delayed deposit to a strategy protocol/pool to save on gas fees by spreading it out over multiple deposits. In this case, a conservative estimate of the entrance fee to the protocol is calculated and is initially charged.
Currently, the entrance fee ranges from 0% to 0.11%, depending on the strategy used at the time of deposit. 
Any unused entrance fees will be capital to pool. 
Withdrawal Fees
Fundamentally, Belt.fi BeltMultiVaults do not take any withdrawal fees to our own contract. 
If a strategy protocol used at time of a withdrawal does charge an exit fee, there will be a withdrawal fee as per that strategy protocol's rules. Withdrawal fees are variable depending on the status of the multi-vault pools to keep the ratio of the pool stable. 
If there is the possiblity of an extra fees arising of a strategy protocol's withdrawal, the Belt Strategy contract will reserve a small a withdrawal fee to hedge against it. Any unused withdrawal fees will be capital to pool. 
Currently, the withdrawal fee ranges from 0% to 0.06%, depending on the strategy used at the time of withdrawal. 
Details about the fees of each strategy
BSC Vault
1. Venus
APY: 
Source: Supply Interest - Borrow Interest + XVS distribution
BASE_APY: (supplyValue * supplyAPY - borrowValue* borrowAPY + Expected_XVS_APY * 0.88) / (supplyValue - borrowValue)
[Note] This base APY calculation method is the same as the existing venus pool. However, we are showing a more precise method through multiplying Expected_XVS_APY by 0.88
Fees
entranceFee : 0.05% (originationFee 0.1% hedging)
controllerFee : 12% of XVS distribution rewards
This is used solely for  buyback + burn of $BELT (8%) + BELT staking rewards (4%)
withrdrawalFee : 0.05% (originationFee 0.1% hedging)
2. Fortube
Daily Distribution: 100,000 $FOR (~$12,400)
APY
  Source: Supply Interest - Borrow Interest + FOR distribution
 BASE_APY:  (supplyValue * supplyAPY - borrowValue * borrowAPY +  Expected_FOR_APY * 0.88) / (supplyValue - borrowValue)
Fees:
entranceFee: 0.05% (currently no originationFee)
controllerFee: 12% of FOR distribution rewards 
This is used solely for  buyback + burn of $BELT (8%) + BELT staking rewards (4%)
withdrawalFee: 0.05% (currently no originationFee)
3. Alpaca
APY
Source: Lending interest + Deposit interest 
BASE_APY : Lending interest * 0.88  +  Staking interest * 0.88
Fees
entranceFee: 0%
controllerFee: 12% of Lending interest, 8% of Staking interest
This is used solely for  buyback + burn of $BELT (8%) + BELT staking rewards (4%)
withdrawalFee: 0%
4. Alpha Homora
 APY
Source: Lending interest
BASE_APY: Lending interest * 0.88
Fees
entranceFee: 0%
controllerFee : 12% of Lending interest
This is used solely for  buyback + burn of $BELT (8%) + BELT staking rewards (4%)
withdrawalFee: 0%
5. Ellipsis
APY
Source: 3pool base APY   +   Rewards APY
`BASE_APY` : 3pool base APY  +  Rewards APY * 0.5 * 0.88
Fees
entranceFee: 0%
controllerFee: 12% of claimable of EPS distribution (Ellipsis charges a 50% penalty when rewards are claimed immediately and not vested)
This is used solely for  buyback + burn of $BELT (8%) + BELT staking rewards (4%)
withdrawalFee: 0.01% + Ellipsis's penalty 
(depending of the status of the 3pool, it is possible to have a penalty when withdrawing. To hedge against this, we reserve a 0.01% fee. Whatever is not used is capital to pool.)
​
HECO Vault
1. Channels
APY
  Source: Supply Interest - Borrow Interest + CAN distribution
 BASE_APY  ⇒  (supplyValue * supplyAPY - borrowValue * borrowAPY +  Expected_CAN_APY * 0.88) / (supplyValue - borrowValue)
Fees:
entranceFee: 0.000001%
controllerFee: 12% of CAN distribution rewards 
This is used solely for  buyback + burn of $BELT (8%) + BELT staking rewards (4%)
withdrawalFee: 0%
2. Filda
APY
  Source: Supply Interest - Borrow Interest + FILDA distribution
 BASE_APY  ⇒  (supplyValue * supplyAPY - borrowValue * borrowAPY +  Expected_FILDA_APY * 0.88) / (supplyValue - borrowValue)
Fees:
entranceFee: 0.000001%
controllerFee: 12% of FILDA distribution rewards 
This is used solely for  buyback + burn of $BELT (8%) + BELT staking rewards (4%)
withdrawalFee: 0%
3. LendHub
APY
  Source: Supply Interest - Borrow Interest + LHB distribution
 BASE_APY  ⇒  (supplyValue * supplyAPY - borrowValue * borrowAPY +  Expected_LHB_APY * 0.88) / (supplyValue - borrowValue)
Fees:
entranceFee: 0.000001%
controllerFee: 12% of LHB distribution rewards 
This is used solely for  buyback + burn of $BELT (8%) + BELT staking rewards (4%)
withdrawalFee: 0%
KLAYTN Vault
1. Donkey
APY
  Source: Supply Interest - Borrow Interest + kDON distribution
 BASE_APY  ⇒  (supplyValue * supplyAPY - borrowValue * borrowAPY +  Expected_kDON_APY * 0.88) / (supplyValue - borrowValue)
Fees:
entranceFee: 0.001%
controllerFee: 12% of kDON distribution rewards 
This is used solely for  buyback + burn of $BELT (8%) + BELT staking rewards (4%)
withdrawalFee: 0%
2. Qubit
APY
  Source: Supply Interest - Borrow Interest + KQBT distribution
 BASE_APY  ⇒  (supplyValue * supplyAPY - borrowValue * borrowAPY +  Expected_KQBT_APY * 0.88) / (supplyValue - borrowValue)
Fees:
entranceFee: 0.001%
controllerFee: 12% of KQBT distribution rewards 
This is used solely for  buyback + burn of $BELT (8%) + BELT staking rewards (4%)
withdrawalFee: 0%
3. KLAYswap
APY
Source: Lending interest + Deposit interest 
BASE_APY : Lending interest * 0.88  +  Staking interest * 0.88
Fees
entranceFee: 0%
controllerFee: 12% of Lending interest, 12% of Staking interest
This is used solely for  buyback + burn of $BELT (8%) + BELT staking rewards (4%)
withdrawalFee: 0%
Swap Fee
For stablecoin swaps through Belt Finance, there is a 0.1% Swap Transaction Fee.

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Contents

Entrance Fees

Withdrawal Fees

Details about the fees of each strategy