81trust / 100

Quant Kelly

by quant-kelly in Other

x402 APIPassing, checked 5 h ago

Kelly-criterion optimal bet fraction and position sizing from a win probability and payoff, or from an edge and odds. Pure computation over your inputs.

GET https://api.agentstools.dev/quant/kelly

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
48 ms typical, 48 ms slowest 5%
Last check
5 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://api.agentstools.dev/quant/kelly?bankroll=10000&fraction=0.5&win_loss_ratio=1&win_prob=0.6"
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.agentstools.dev%2Fquant%2Fkelly
const res = await pay("https://api.agentstools.dev/quant/kelly?bankroll=10000&fraction=0.5&win_loss_ratio=1&win_prob=0.6");
console.log(await res.json());

Example input

{
  "bankroll": 10000,
  "fraction": 0.5,
  "win_loss_ratio": 1,
  "win_prob": 0.6
}

Example output

{
  "applied_fraction": 0.1,
  "clamped": true,
  "disclaimer": "computation only, not financial advice",
  "kelly_fraction": 0.2,
  "position_size": 1000,
  "win_loss_ratio": 1,
  "win_prob": 0.6
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
5 h agoPassed40248 ms$0.001