Tasignal Backtest

{
  "candles_used": 500,
  "checked_at": "2026-10-22T19:00:54.904Z",
  "confidence": "high",
  "disclaimer": "Not financial advice. Past performance does not guarantee future results. Technical indicators, risk metrics and backtests describe historical prices only; they are not predictions or trade recommendations. TASignal never trades, holds funds or keys.",
  "market": "SOL",
  "result": {
    "annualized_return_pct": 464.18,
    "assumptions": "Signals on candle close, fills at the next candle open, fees per side as set; no slippage, funding, borrow or liquidity limits; position size 100% of equity, no leverage.",
    "avg_trade_pct": 19.972,
    "buy_and_hold_return_pct": 36.933,
    "current_position": "flat",
    "equity_curve": [
      [
        "2026-08-08T16:00:00.000Z",
        0.99632
      ],
      [
        "2026-08-23T16:00:00.000Z",
        1.24486
      ],
      [
        "2026-09-07T16:00:00.000Z",
        1.36524
      ],
      [
        "2026-09-22T16:00:00.000Z",
        1.45808
      ],
      [
        "2026-10-07T16:00:00.000Z",
        1.42764
      ],
      [
        "2026-10-22T12:00:00.000Z",
        1.42693
      ]
    ],
    "excess_vs_buy_and_hold_pct": 5.759,
    "exposure_pct": 69.78,
    "fees_bps_per_side": 5,
    "last_trades": [
      {
        "entry": 76.373,
        "entry_time": "2026-08-08T16:00:00.000Z",
        "exit": 99.676,
        "exit_time": "2026-09-10T16:00:00.000Z",
        "return_pct": 30.447,
        "side": "long"
      },
      {
        "entry": 105.74,
        "entry_time": "2026-09-18T12:00:00.000Z",
        "exit": 115.84,
        "exit_time": "2026-10-07T20:00:00.000Z",
        "return_pct": 9.497,
        "side": "long"
      }
    ],
    "max_drawdown_pct": -10.327,
    "period": {
      "bars": 450,
      "from": "2026-08-08T16:00:00.000Z",
      "to": "2026-10-22T16:00:00.000Z"
    },
    "profit_factor": null,
    "sharpe_annual": 3.869,
    "total_return_pct": 42.693,
    "trades": 2,
    "win_rate_pct": 100
  },
  "source": "hyperliquid",
  "sources_failed": [],
  "strategy": {
    "direction": "long_only",
    "name": "ema_cross",
    "params": {
      "fast": 20,
      "slow": 50
    }
  },
  "symbol": "SOL",
  "tier": "backtest",
  "timeframe": "4h"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.youraitools.co/tasignal/v1/backtest?fast=20&slow=50&strategy=ema_cross&symbol=SOL&timeframe=4h'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://api.youraitools.co/tasignal/v1/backtest?fast=20&slow=50&strategy=ema_cross&symbol=SOL&timeframe=4h' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.youraitools.co%2Ftasignal%2Fv1%2Fbacktest
const res = await pay("https://api.youraitools.co/tasignal/v1/backtest?fast=20&slow=50&strategy=ema_cross&symbol=SOL&timeframe=4h");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.youraitools.co/tasignal/v1/backtest?fast=20&slow=50&strategy=ema_cross&symbol=SOL&timeframe=4h")
    print(res.status_code, res.text)