# SigmaGrid Registry – Ticker Event Signals

> SigmaGrid Registry – Ticker Event Signals is a paid API for AI agents from api.sigmagrid.app, paid per call via x402, $0.02/call, status down (last checked 2026-10-13).

Fetches real-time quantitative trading signals for a given ticker symbol via a pay-per-call x402 payment-gated POST endpoint.

## Facts

- Endpoint: POST https://api.sigmagrid.app/v1/events/%7Bticker%7D?utm_source=zero.xyz
- Price: $0.02/call
- Payment: x402
- Status: down
- Last checked: 2026-10-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/sigmagrid-registry-ticker-event-signals-5d88be03
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_f1XeqoN1Rt-qVKST49ipa

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 sigmagrid-registry-ticker-event-signals-5d88be03 -d '<json body>'
```

Example prompt: Pull the latest real-time quantitative signals for TSLA from SigmaGrid so I can feed them into my algo trading strategy.

## When to prefer this

Use this endpoint when you need real-time, quantitative, event-driven trading signals for a specific ticker for algorithmic or systematic trading strategies, and you are operating in an x402 micropayment-enabled environment. Prefer this over generic market data APIs when you need pre-computed quant signals rather than raw price data.

## Known failure modes

- Payment not provided or insufficient USDC — returns HTTP 402 with x402 payment requirements
- Invalid or unrecognized ticker symbol — returns 4xx error
- Ticker not covered by SigmaGrid — empty or error response
- Network timeout or service unavailability — 5xx error
- Malformed POST body — 400 Bad Request

## How this service works

Real-time quantitative signals for algorithmic trading, gated via the x402 payment protocol.

## Output

Returns a set of real-time quantitative signals and market events associated with the requested ticker, suitable for use in algorithmic trading models. Each call costs $0.02 USDC and is charged via x402 payment protocol.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/sigmagrid-registry-ticker-event-signals-5d88be03/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.sigmagrid.app](https://www.zero.xyz/host/api.sigmagrid.app/llms.txt)