Symbol Data

BYX Exchange
https://api-account.cboe.com/byx/account/symbol_data/
BZX Exchange
https://api-account.cboe.com/bzx/account/symbol_data/
EDGX Exchange
https://api-account.cboe.com/edgx/account/symbol_data/
EDGA Exchange
https://api-account.cboe.com/edga/account/symbol_data/

Effective 08/31/26, Cboe will begin redirecting users from the old batstrading URLs below to the new cboe URLs above. Users may wish to update their systems to the cboe URLs to avoid any disruption in the event redirection causes technical issues.

BYX Exchange
https://api.batstrading.com/byx/account/symbol_data/
BZX Exchange
https://api.batstrading.com/bzx/account/symbol_data/
EDGX Exchange
https://api.batstrading.com/edgx/account/symbol_data/
EDGA Exchange
https://api.batstrading.com/edga/account/symbol_data/

Use this API to retrieve current top-of-book symbol data for all US equity symbols on the selected exchange. The data will be returned in an XML format.

API requests for symbol data should be sent not more than once per 30-second period. More frequent requests will not provide more frequent updates.

Example Response

<cboe>
<stats vol="12345" orders="23456"/>
<symbols timestamp="2015-09-08 09:30:00" count="1111">
<symbol name="FOO" vol="11111" asksz="0" askpx="0.0" bidsz="0" bidpx="0.0" last="142.85" matched="123" routed="234"/>
<symbol name="BAR" vol="22222" asksz="0" askpx="0.0" bidsz="0" bidpx="0.0" last="29.95" matched="234" routed="345"/>
</symbols>
</cboe>