CME Group futures (ES, NQ, CL, GC and the rest) are free to chart on a 10-minute delay. The first time you open one, accept the CME market data terms: a one-time step that exchange rules require, at no cost.
Real-time CME data is licensed by CME Group and billed separately from your OpenMarket plan, monthly or annually. One subscription covers all four CME Group venues, in two bundles:
- L1: live top of book and trades, so the footprint and CVD run live. The heatmap's full order-book depth stays on the delayed feed.
- Real-time depth (often called L2): full market depth, with the live heatmap, the DOM, pull and stack, depth replay and order-flow alerts.
The price depends on your subscriber status: exchanges charge non-professional (private) subscribers less than professionals, and you declare your status at checkout. The subscription page shows the exact price before you pay. Open it from Settings, Subscriptions, CME real time data, or from See live prices on a delayed CME chart.
Custom scripts do not run on CME markets yet: see Can I run my own scripts on CME futures?