Endpoints/v1/vex/{symbol}

/v1/vex/{symbol}

Vanna exposure by strike

GET/v1/vex/{symbol}

Returns vanna exposure computed across all active option strikes for the specified symbol. Vanna measures the sensitivity of dealer delta to changes in implied volatility. When vol rises, vanna exposure tells you how much delta hedging flow is generated, making it critical for understanding vol-driven moves.

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 vanna exposure, sorted ascending

vex_per_strikenumber[]Vanna exposure in dollars at each corresponding strike

total_vexnumberNet vanna exposure summed across all strikes

spot_pricenumberCurrent spot price of the underlying

Note

Vanna exposure is particularly important during volatility regime transitions. A large negative VEX means rising vol forces dealers to sell delta, amplifying downside moves.

/v1/vex/{symbol}

Vanna exposure by strike

GET/v1/vex/{symbol}

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 vanna exposure, sorted ascending

vex_per_strikenumber[]Vanna exposure in dollars at each corresponding strike

total_vexnumberNet vanna exposure summed across all strikes

spot_pricenumberCurrent spot price of the underlying

Note

Vanna exposure is particularly important during volatility regime transitions. A large negative VEX means rising vol forces dealers to sell delta, amplifying downside moves.

/v1/vex/{symbol}

Parameters

Path Parameters

Response

Preparing market intelligence.

/v1/vex/{symbol}

Parameters

Path Parameters

Response