Unknown Symbol error while trying to access tick

API Developers
1

Hi,

I am creating a websocket. Trying to get the symbol tick. But getting error,

[2026/05/30 18:54:42:5385] N: lws_create_context: LWS: 4.3.3-unknown, NET CLI SRV H1 H2 WS ConMon IPV6-on
[2026/05/30 18:54:42:5387] N: __lws_lc_tag: ++ [wsi|0|pipe] (1)
[2026/05/30 18:54:42:5388] N: __lws_lc_tag: ++ [vh|0|netlink] (1)
[2026/05/30 18:54:42:5409] N: __lws_lc_tag: ++ [vh|1|default||-1] (2)
[2026/05/30 18:54:42:5785] N: __lws_lc_tag: ++ [wsicli|0|WS/h1/default/md-demo.tradovateapi.com] (1)
[2026/05/30 18:54:42:6205] N: lws_gate_accepts: on = 0
[2026/05/30 18:54:42:6571] N: lws_gate_accepts: on = 0
Connection established
[Raw Data]: o
[WS] Sending Authorization…
[Raw Data]: a[{“s”:200,“i”:1}]
[RX] Auth successful (Status 200). Transitioning…
[WS] Subscribing to {“symbol”: “NQM6”} ticks…
[Raw Data]: a[{“s”:200,“i”:2,“d”:{“errorText”:“Symbol is inaccessible”,“errorCode”:“UnknownSymbol”,“mode”:“None”}}]
Received: h
[Raw Data]: h

I subscribed to CME also.

Please some one help me with this.

Thanks,

Dharmesh

2

@desaidharmesh82 see this thread: I am not able to get Symbol Data - #75 by traderex

In short, you need a separate license with the CME Group to enable the market data feed in Tradovate. Their pricing is strangely higher than other options like Data Bento and Massive, especially considering we already buy a license to use their data with Tradovate.