# Stock Bloc SB-Score History

> Stock Bloc SB-Score History is a paid API for AI agents from stockbloc.ai.studio, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-12).

Returns the historical SB-Score signal records for a given stock ticker, including momentum, trend, volume, volatility, and relative strength factor breakdowns with buy/sell signal labels.

## Facts

- Endpoint: GET https://stockbloc.ai.studio/api/v1/intelligence/sb-score/history?utm_source=zero.xyz
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/stock-bloc-sb-score-history-528c5242
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_tGiH0eSxD-NRr-TPGgTn_

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 stock-bloc-sb-score-history-528c5242
```

Example prompt: Pull up the SB-Score history for NVDA — I want to see how the signal label, confidence, and factor breakdown like momentum and trend have changed over time.

## When to prefer this

Choose this endpoint when you need to track how a stock's SB-Score quant signal has evolved over time, not just its current reading. It is ideal for backtesting, trend analysis of signal reliability, or comparing how buy/sell confidence has shifted across market conditions. Prefer this over real-time price endpoints when the goal is historical signal analysis rather than live quotes.

## Known failure modes

- Invalid or unrecognized ticker symbol returns an error or empty result
- No historical data available for very new or delisted tickers
- Payment failure (insufficient USDC balance) blocks access
- Rate limiting if too many requests are made in quick succession
- Stale or delayed data if market feeds are temporarily disrupted

## How this service works

Financial research API for AI agents: Stock Bloc SEC Analyst (10-K/10-Q/8-K filing analysis), market data, MCP tools, and x402 USDC payments on Base.

## Output

A JSON object containing the ticker symbol, current price, SB-Score (0-100), confidence level (e.g. HIGH), signal label (e.g. STRONG BUY), and a factor breakdown showing individual scores for trend, volume, momentum, volatility, and relative strength — representing the historical record of these signals over time.

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "price": 138.25,
  "status": "success",
  "ticker": "NVDA",
  "sbScore": 88,
  "confidence": "HIGH",
  "signalLabel": "STRONG BUY",
  "factorBreakdown": {
   "trend": 24,
   "volume": 12,
   "momentum": 24,
   "volatility": 10,
   "relativeStrength": 18
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/stock-bloc-sb-score-history-528c5242/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from stockbloc.ai.studio](https://www.zero.xyz/host/stockbloc.ai.studio/llms.txt)