Liquidity topology (Betti numbers)

Persistent-homology liquidity invariants for a symbol. Also accepts GET ?symbol=.

post/v1/hft/liquidity/betti

Request

  • Base URL: https://financesec.api.caleralabs.com
  • URL: https://financesec.api.caleralabs.com/v1/hft/liquidity/betti
  • Auth: API key in header X-License-Key

Request body

symbolstring

Example request

{
  "symbol": "NVDA"
}

Response

Betti / spectral-gap snapshot

statusstring
symbolstring
betti_0_componentsinteger
betti_1_cyclesinteger
spectral_gapnumber
flash_crash_risk_statestring
latency_usinteger

Example response

{
  "status": "COMPUTED",
  "symbol": "NVDA",
  "betti_0_components": 1,
  "betti_1_cycles": 1,
  "spectral_gap": 0.842,
  "flash_crash_risk_state": "STABLE",
  "latency_us": 20
}

Changes

No recorded changes to this operation across all 1 revision of this API.