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x402toll Impermanent Loss Calculator
x402
x402toll Impermanent Loss Calculator is a paid API for AI agents from x402toll.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).
Calculates impermanent loss for a 50/50 constant-product AMM LP position versus simply holding, given initial price, current price, and optional position size.
Price / call$0.05
Success—
StatusUnknown
How this service works
Impermanent loss for a 50/50 constant-product LP position vs simply holding, given the price change of the volatile asset.
Output
Returns the impermanent loss percentage and, if positionValueUsd is provided, the dollar amount lost versus simply holding the assets outside the pool — enabling a direct comparison between LP strategy and holding strategy for a 50/50 constant-product AMM.
Example use cases
Example prompt
“I entered an ETH/USDC Uniswap pool when ETH was at $2,000 and now it's at $3,200 — my position was worth $10,000 at entry. How much am I down to impermanent loss compared to just holding?”
Technical details
Endpoint
POSThttps://x402toll.com/v1/crypto/impermanent-lossWhen to prefer
Use this endpoint when you need a precise, formula-based impermanent loss figure for a classic 50/50 constant-product AMM pool (e.g. Uniswap v2, SushiSwap). Ideal when the user wants to compare LP yield vs holding returns, or when quantifying DeFi liquidity risk for a given price movement.
Side effects
- Missing required currentPrice or initialPrice fields returns a 400 error
- Passing zero or negative prices causes invalid computation or error response
- Payment not included or insufficient USDC results in 402 Payment Required
- currentPrice equal to initialPrice returns 0% impermanent loss (valid edge case)
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| currentPrice | number | |
| initialPrice | number | |
| positionValueUsd | number |
Tags
x402
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