Returns the Dealer Sentiment Index, a composite score from -100 to +100 that quantifies the directional bias of dealer positioning. Includes the individual component scores for gamma, volatility, concentration, and flip proximity.
Parameters
Name
Type
Required
Description
symbol
string
Required
Underlying symbol. One of: SPX, SPY, QQQ, IWM, NDX, RUT.
Response
dsinumberDealer Sentiment Index, ranging from -100 (maximally bearish) to +100 (maximally bullish)
gamma_componentnumberGamma positioning contribution to DSI
vol_componentnumberVolatility component contribution to DSI
concentration_componentnumberConcentration component contribution to DSI
flip_componentnumberFlip proximity component contribution to DSI
Note
DSI is updated on every engine cycle (approximately once per second during market hours). The component values show which dimension of dealer positioning is contributing most to the current sentiment.
curl -X GET "https://api.gexengine.com/v1/dsi/SPX" \
-H "X-API-Key: YOUR_API_KEY"