# FirmTape (firmtape.com)

Plots live SPX dealer gamma exposure, the zero-gamma flip and call and put walls, rebuilt from the options tape each second.

- Atlas card: https://inite.ai/en/atlas/firmtape.com
- Site: https://firmtape.com
- For: Options traders tracking SPX dealer gamma positioning, zero-gamma flip and walls during the trading session.
- Categories: security
- Use not measured/100 · alive 100/100

## Used for

- check intraday SPX dealer gamma levels against spot
- review finished sessions minute by minute
- backtest a trading rule on the session archive

## Price

- from 29 USD/month, free plan (read 2026-10-20 on https://firmtape.com/pricing)

## For developers

- OpenAPI: https://firmtape.com/openapi.json (6 paths)
- MCP server: com.firmtape/geopolitical-osint (namespace; open on 2026-10-20, 8 tools)
- MCP server: com.firmtape/spx-options-gamma (namespace; open on 2026-10-20, 14 tools)
- Read 2026-10-20

## MCP server, measured daily

Server: https://geo.firmtape.com/mcp, checked every day since 2026-10-20 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 96 ms
- Sign-in: none
- Context its tool definitions take: about 2009 tokens (8 tools)
- Tool definitions: B, 83/100
- Failing "annotations": 8 of 8 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-20

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