# Nightwatch (yehangshe.com)

Charts dealer gamma exposure and live options flow for SPX, SPY and QQQ, with a data API and MCP server.

- Atlas card: https://inite.ai/en/atlas/yehangshe.com
- Site: https://yehangshe.com
- For: Options traders who track dealer gamma exposure, 0DTE activity and live options flow on SPX, SPY and QQQ.
- Categories: security
- Use 0/100 · alive 100/100

## Used for

- Chart dealer gamma exposure across SPX, SPY and QQQ
- Monitor live options flow and large premium trades
- Pull dealer gamma snapshots into code via REST or MCP

## Price

- from 73.33 USD/month, no free plan (read 2026-10-26 on https://yehangshe.com/#pricing)

## For developers

- MCP server: com.yehangshe/nightwatch (namespace; auth on 2026-10-26)
- Read 2026-10-26

## MCP server, measured daily

Server: https://mcp.yehangshe.com/mcp, checked every day since 2026-10-26 (1 checks).

- Answered: measuring, 1 daily checks so far
- Median first answer: 99 ms
- Sign-in: a pasted key
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-26

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Source: INITE Atlas, https://inite.ai/en/atlas/yehangshe.com. JSON: https://inite.ai/api/atlas/yehangshe.com. MCP: https://inite.ai/api/mcp (atlas_lookup).