simulate_leverage

Previews the exact position that opening would produce. Deterministic and read-only — identical for ETH and ERC-20 pay tokens, with no on-chain call and no wallet.

Input

string

required

Morpho market id of the strategy.

string

required

Token you pay in. The collateral (opened directly) or any other token (zapped to collateral first). Native ETH = the zero address.

string

required

Amount of payToken in human units, e.g. "10000".

number

Target leverage, e.g. 3. Provide this or desiredLtv.

string

Target LTV percent, e.g. "66.67". Provide this or leverage.

number

default:"0.005"

Ratio; capped at 0.01.

integer

default:"1"

Output

{
  "path": "swapAndLeverage",
  "positionPreview": {
    "leverage": "3.0",
    "requestedLtv": "66.67",
    "effectiveLtv": "66.73",
    "amountLeveragedCollateral": "52048.44",
    "expectedLeverageApy": "5.64",
    "priceImpactPct": "0.07"
  },
  "amountFlashLoan": "…",
  "minTokenOut": "…",
  "reallocationFeeWei": null,
  "slippage": 0.005
}

Example

const sim = await call("simulate_leverage", {
  strategyId, payToken, amount: "50000", leverage: 8,
});
// sim.positionPreview.expectedLeverageApy

Always simulate before building. The preview comes from a live swap quote, so numbers move with prices — treat it as current, not fixed.

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Example