market_lifecycle

publicchannel: market_lifecyclewss://api.staging.sphx.io/v1/ws

Venue-wide account-state and instrument-lifecycle transitions (numeric states). Public and unfiltered — clients typically ignore accounts other than their own. No subscribe params.

Subscribe

{ "op": "subscribe", "channel": "market_lifecycle" }

No params — the channel is venue-wide.

Events

account_state_change

An account changed lifecycle state.

Field	Type	Required	Description
event_seq	integer · int64	✓	Cluster sequence number — monotonic; drives gap detection and REST/WS joins.
account_id	integer · int64	✓
new_state	integer	✓	Numeric account state (see the REST reference lookup tables).

Example frame

{
  "channel": "market_lifecycle",
  "event": "account_state_change",
  "data": {
    "event_seq": 1058,
    "account_id": 7,
    "new_state": 2
  }
}

instrument_lifecycle

An instrument changed lifecycle state.

Field	Type	Required	Description
event_seq	integer · int64	✓	Cluster sequence number — monotonic; drives gap detection and REST/WS joins.
instrument_id	integer · int64	✓
new_state	integer	✓	Numeric instrument lifecycle state.

Example frame

{
  "channel": "market_lifecycle",
  "event": "instrument_lifecycle",
  "data": {
    "event_seq": 1059,
    "instrument_id": 1000,
    "new_state": 2
  }
}