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GEXfocus Trading API

Options data for dashboards, automations and integrations.

Programmatic access to intraday options structure and flow across the main US index references: QQQ, SPY, NDX and SPX. The WebSocket updates data every 2-3 seconds to power advanced dashboards, automations, heatmaps, custom indicators and low-latency integrations.

See pricing and access
Live stream wss://apitrading.gexfocus.app/trading/ws/ndf
US coverageQQQ, SPY, NDX and SPX
WS updateData every 2-3 seconds during the session
REST mapsGEX, DEX, Vanna, Charm and multi-expiration matrices
TimezoneEastern Time with normalized session date
{
  "ticker": "QQQ",
  "ts": "2026-05-19T10:32:15-04:00",
  "ndf": 1234567.89,
  "price": 456.78,
  "fep": 455.12,
  "net_premium": 400000.0,
  "gex_total": 12345.67,
  "gamma_flip": 450.0
}
// simplified NDF stream response
Use cases

Data infrastructure to build on top of GEXfocus.

The API is designed for workflows where visual reading is not enough: internal dashboards, automations, notebooks, alerts, backtesting, custom heatmaps and analysis layers that combine GEX, DEX, Vanna, Charm and intraday flow.

Live dashboards

Display delta flow, price, FEP and aggregate exposure with a stable WebSocket during the session.

Automations and quant models

Feed rules, alerts, notebooks or internal processes with consistent snapshots, NDF series, premium and Greeks.

Heatmaps and indicators

Build your own maps, indicators and visual layers by crossing GEX, DEX, Vanna, Charm and premium.

Custom integrations Additional endpoints, higher volume or specific commercial solutions.

If your integration requires specific fields, higher limits, a different frequency or a tailored solution for an internal or commercial product, access can be reviewed directly with GEXfocus through the contact channels.

Request evaluation
  • Higher request volume
  • Specific fields or endpoints
  • Commercial use and redistribution
  • Internal low-latency integrations
Current surface

Real-time stream and REST endpoints for snapshots and histories.

Full technical reference, extended examples and API key management are available in the API dashboard after login.

/trading/ws/ndf

NDF WebSocket

Net Delta Flow, FEP, price, premium, thresholds and aggregate exposure updated every 2-3 seconds.

WebSocketLive
/trading/greeks/last/{ticker}

Unified Greeks

GEX, Delta, Vanna and Charm in one response, with the option to request only selected metrics.

RESTLatest
/trading/mapa_gamma/last/{ticker}

Multi-expiration matrix

Gamma, Vanna and Charm by strike and expiration for heatmaps and concentration analysis.

RESTMatrix
/trading/gex/last/{ticker}

GEX map

Gamma exposure by strike with spot, net exposure and dominant strike.

RESTStrike map
/trading/history/ndf

NDF history

Intraday data by session for replay, audit and post-market analysis.

RESTHistory
/trading/history/greeks/{greek}

Greeks history

GEX, Delta, Vanna or Charm snapshots, with summary mode for lightweight time series.

RESTResearch
Pricing

Individual access with a free trial. Commercial use by evaluation.

Individual integrations have a fixed price. Products, teams, redistribution, higher volume or specific requirements are reviewed before defining terms.

Individual use

For traders, developers and researchers who want to integrate GEXfocus data into their own tools.

USD 70
per month · 3-day free trial
  • Access to the current NDF WebSocket and REST endpoints.
  • Coverage across QQQ, SPY, NDX and SPX.
  • API key management from the web dashboard.
  • Documentation and examples inside the user dashboard.
Subscribe
Discount for active subscribers

If you already have an active GEXfocus subscription, the price drops to 50 USD through a personalized coupon. To validate it, write to [email protected].

Commercial use

For companies, teams, internal redistribution, products built on the API, higher-volume automations or integrations that need specific support.

To evaluate
based on volume, permissions, support and use case
  • Terms adjusted to the integration type.
  • Additional endpoints can be requested.
  • Review of limits, coverage and permitted storage.
  • Custom solutions through contact channels.
Request evaluation
FAQ

GEXfocus Trading API: coverage, access and use.

Quick answers for developers and users evaluating how to connect GEXfocus options data to their own tools.

What is GEXfocus Trading API?

It is programmatic access to GEXfocus options flow and structure data for dashboards, automations, alerts and custom integrations.

Which instruments are covered?

Coverage is focused on QQQ, SPY, NDX and SPX, central references for intraday US options analysis.

What data is included?

NDF WebSocket updated every 2-3 seconds, FEP, price, premium, GEX, DEX, Vanna, Charm, multi-expiration matrices and session histories.

Is there a free trial?

Yes. Individual access includes a 3-day free trial through Stripe checkout.

Is there a discount if I already subscribe to GEXfocus?

Yes. Active subscribers can request a personalized coupon that lowers the price to 50 USD per month.

Can I use it commercially?

Commercial use is evaluated based on volume, redistribution, required support, limits and integration type.