v1
latestOpenAPI 3.1.02026-07-2655154175.6 KBRatios
Chain-level bid/ask/mid distribution
Aggregates a ticker's full option chain to surface buying vs selling pressure (askRatio, bidRatio, midRatio, aggressionRatio), call/put balance, and ATM/OTM concentration. Returns a bias, aggression, and confidence interpretation. Reference: PRD Sections 12.3 and 14.
get/v1/chain-ratio/{ticker}
Path parameters
tickerstring required
Example:SPY
Underlying ticker symbol (uppercase, e.g. SPY, AAPL).
Query parameters
datestring date
timeframe'5m' | '15m' | '1h' | '4h' | '1d'
option_type'call' | 'put' | 'all'
min_premiuminteger
min_dteinteger
max_dteinteger
Response
Chain ratio analysis with interpretation.
Example response
{
"meta": {
"requestId": "d7574836"
}
}