Returns gamma exposure computed across all active option strikes for the specified symbol. Includes per-strike GEX, total net GEX, and call/put breakdown. All responses are wrapped in the standard envelope with symbol, timestamp, data, and meta fields.
Parameters
Path Parameters
Name
Type
Required
Description
symbol
string
Required
Underlying symbol. One of: SPX, SPY, QQQ, IWM, NDX, RUT.
Response
The response data object contains:
strikesnumber[]Array of strike prices with non-zero gamma exposure, sorted ascending
gex_per_strikenumber[]Gamma exposure in dollars at each corresponding strike. Positive means dealers are long gamma at that strike.
total_gexnumberNet gamma exposure summed across all strikes. Positive indicates dealers are net long gamma.
net_gexnumberNet gamma exposure (same as total_gex). The aggregate across all strikes.
call_gexnumberGamma exposure from call options only. Typically positive.
put_gexnumberGamma exposure from put options only. Typically negative.
Note
The meta envelope includes spot, computation_ms, data_source, and model. Key price levels (gamma flip, put wall, call wall) are available from the separate /v1/levels endpoint. Regime classification is available from /v1/regime.
curl -X GET "https://api.gexengine.com/v1/gex/SPX" \
-H "X-API-Key: YOUR_API_KEY"