Name Description Type Additional information SIP Provider
root

Option root

string

None

None

expiry

Option expiration date

string

None

None

strike

Option strike

decimal number

None

None

option_type

Option type

string

'C' for Call, 'P' for Put

None

timestamp

Timestamp of option quote

string

None

None

option

Option OSI symbol

string

None

None

option_mid

Option midpoint

decimal number

None

None

option_trade_count

Option trade count

integer

None

None

option_bid

NBBO bid

decimal number

SIP subscription is required for live or delayed requests; otherwise, returns null

OPRA

option_bid_size

NBBO bid size

integer

SIP subscription is required for live or delayed requests; otherwise, returns null

OPRA

option_ask

NBBO ask

decimal number

SIP subscription is required for live or delayed requests; otherwise, returns null

OPRA

option_ask_size

NBBO ask size

integer

SIP subscription is required for live or delayed requests; otherwise, returns null

OPRA

option_open

Option open

decimal number

SIP subscription is required for live or delayed requests; otherwise, returns null

OPRA

option_high

Option high

decimal number

SIP subscription is required for live or delayed requests; otherwise, returns null

OPRA

option_low

Option low

decimal number

SIP subscription is required for live or delayed requests; otherwise, returns null

OPRA

option_close

Option close

decimal number

Returns close after market hours.

SIP subscription is required for live or delayed requests; otherwise, returns null

OPRA

option_last_trade_price

Option last trade price

decimal number

SIP subscription is required for live or delayed requests; otherwise, returns null

OPRA

cboe_theo

Theoretical price at the computed theoretical implied volatility

decimal number

None

None

option_prev_day_close

Option previous day's close

decimal number

For live or delayed requests, field will display the previous day mid at close.

For historical requests, field will display last traded price at close.

None

iv

Theoretical implied volatility of the option, computed utilizing the volatility surface of the option chain. Provided by Hanweck and available from 2021-12-06.

decimal number

None

None

mid_iv

Implied volatility at the mid-market option price. Available from 2011.

decimal number

None

None

open_interest

Open interest

integer

None

None

option_volume

Option volume

integer

None

None

delta

Delta

decimal number

None

None

gamma

Gamma

decimal number

None

None

vega

Vega

decimal number

None

None

theta

Theta

decimal number

None

None

rho

Rho

decimal number

None

None