# Trading Strategy Data – Crypto Trend Ranking & Backtesting

> Trading Strategy Data – Crypto Trend Ranking & Backtesting is a paid API for AI agents from strategysignals.duckdns.org, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-16).

Returns live trend regime signals, cross-asset rankings, and price-vs-200-day-SMA metrics for BTC, ETH, and/or SOL using a transparent systematic methodology.

## Facts

- Endpoint: POST https://strategysignals.duckdns.org/tools/strategy-rank
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/trading-strategy-data-crypto-trend-ranking-backtesting-05585333
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_cA-TgguJSZ6MNjPYi17nM

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability trading-strategy-data-crypto-trend-ranking-backtesting-05585333 -d '<json body>'
```

Example prompt: Rank BTC, ETH, and SOL by their current trend strength — I want to know which ones are bullish vs bearish and how far each is above or below its 200-day SMA.

## When to prefer this

Choose this endpoint when you need a transparent, verifiable, systematic trend signal for BTC, ETH, or SOL based on the 200-day SMA methodology — particularly when you want cross-asset relative ranking rather than a single-asset indicator. Prefer this over black-box signal providers because the methodology (price vs 200-day SMA) is fully disclosed and independently reproducible. Best suited for momentum-based portfolio allocation, daily trend monitoring, or rules-driven rebalancing decisions.

## Known failure modes

- Invalid or unsupported asset ticker provided — only BTC, ETH, SOL are accepted
- Empty or malformed assets array causes validation error
- Upstream price data unavailable leading to stale or missing signals
- Service temporarily unreachable on duckdns.org dynamic DNS host
- Payment of 0.01 USDC not settled before request processing

## How this service works

Which of BTC/ETH/SOL is relatively strongest right now, ranked by distance above/below each asset's own 200-day SMA -- one answer for rotation strategies instead of comparing raw per-asset data yourself.

## Output

A ranked list of the requested crypto assets (BTC, ETH, SOL) ordered by their % distance above or below their 200-day SMA, including current price, trend regime label (bullish or bearish), the SMA distance percentage, and a plain-English description of the ranking methodology used.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "assets": {
   "type": "array",
   "items": {
    "enum": [
     "BTC",
     "ETH",
     "SOL",
     "XRP",
     "ADA"
    ],
    "type": "string"
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "ranked": [
   {
    "rank": 1,
    "asset": "BTC",
    "price": 68420.5,
    "trend_regime": "bullish",
    "price_vs_sma_pct": 8.4
   },
   {
    "rank": 2,
    "asset": "ETH",
    "price": 3450.2,
    "trend_regime": "bullish",
    "price_vs_sma_pct": 2.1
   },
   {
    "rank": 3,
    "asset": "SOL",
    "price": 142.3,
    "trend_regime": "bearish",
    "price_vs_sma_pct": -5.6
   }
  ],
  "methodology": "Ranked by % distance above/below each asset's own 200-day SMA."
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/trading-strategy-data-crypto-trend-ranking-backtesting-05585333/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from strategysignals.duckdns.org](https://www.zero.xyz/host/strategysignals.duckdns.org/llms.txt)