# APR correlation calculation

## 1. **Pool APR**

We have integrated the calculation of the pool's APR into our statistics service, and now you can directly obtain these data through the statistics interface.

**Pool Info API**

* Mainnet:  <https://api-sui.cetus.zone/v2/sui/swap/count&#x20>;
* Testnet:  <https://api-sui.devcetus.com/v2/sui/swap/count&#x20>;

There are three type apr you can get.

* 24 h: data.pools\[x].apr\_24h
* 7 day: data.pools\[x].apr\_7day
* 30 day: data.pools\[x].apr\_30day

## 2. **Position APR**

1.We use the `estPositionAPRWithMultiMethod` method in the SDK to calculate the multi coefficient `m`, and the parameters passed to this method come from the Cetus statistics interface. 2. Use coefficient `m` multiply the reward APRs respectively and then add them together.

```typescript
export function estPositionAPRWithMultiMethod(
  lowerUserPrice: number,
  upperUserPrice: number,
  lowerHistPrice: number,
  upperHistPrice: number
) {}
```

&#x20;**Param explanation**

* lowerUserPrice and upperUserPrice are the price of one position.
* lowerHistPrice and upperHistPrice are come from the cetus statistics interface.

**Price Statistics API**

* Mainnet: [ ](https://api-sui.cetus.zone/v2/sui/contract/price)<https://api-sui.cetus.zone/v2/sui/contract/price>
* Testnet:  <https://api-sui.devcetus.com/v2/sui/contract/price>

lowerHistPrice and upperHistPrice come from data.list\[x].data\[x].\
there are three types `before_24_h_xx 、` `before_7_d_xx` and `before_30_d_xx.`

```json
{
"is_forward": true,
"swap_account": "0x06f18e7826ee6c6d5bdc29ab3bed659d5dcd319cc184a008ce06b118f015cee4",
"data": [
            {
                "key": "now_contract_price",
                "value": "0.9992102901095463005800349572310369144473236243054765866662672742"
            },
            {
                "key": "now_contract_price_highest",
                "value": "0.9992102901095463005800349572310369144473236243054765866662672742"
            },
            {
                "key": "now_contract_price_lowest",
                "value": "0.9992102901095463005800349572310369144473236243054765866662672742"
            },
            {
                "key": "before_24_h_contract_price",
                "value": "0.9992102901095463005800349572310369144473236243054765866662672742"
            },
            {
                "key": "before_24_h_contract_price_highest",
                "value": "0.9992102901095463005800349572310369144473236243054765866662672742"
            },
            {
                "key": "before_24_h_contract_price_lowest",
                "value": "0.9992102901095463005800349572310369144473236243054765866662672742"
            },
            {
                "key": "before_7_d_contract_price",
                "value": "0.9992102901095463005800349572310369144473236243054765866662672742"
            },
            {
                "key": "before_7_d_contract_price_highest",
                "value": "0.9992102901095463005800349572310369144473236243054765866662672742"
            },
            {
                "key": "before_7_d_contract_price_lowest",
                "value": "0.9992102901095463005800349572310369144473236243054765866662672742"
            },
            {
                "key": "before_30_d_contract_price",
                "value": "0.9992102901095463005800349572310369144473236243054765866662672742"
            },
            {
                "key": "before_30_d_contract_price_highest",
                "value": "0.9999999999999999999972756370986134019159358813153087168627718612"
            },
            {
                "key": "before_30_d_contract_price_lowest",
                "value": "0.9992102901095463005800349572310369144473236243054765866662672742"
            }
        ],
    "ticks": {
        "now": {
        "lower": 68800,
        "upper": 69200,
        "raw_lower": 69073,
        "raw_upper": 69073
        },
        "day": {
        "lower": 68800,
        "upper": 69200,
        "raw_lower": 69073,
        "raw_upper": 69073
        },
        "week": {
        "lower": 68800,
        "upper": 69200,
        "raw_lower": 69073,
        "raw_upper": 69073
        },
        "month": {
        "lower": 68800,
        "upper": 69200,
        "raw_lower": 69073,
        "raw_upper": 69081
        }
    }
},
```

The pool rewards apr come from the above mentioned pool info API,  `data.pools[x].rewarder_apr`.


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