Tools

Option Calculator

Project intrinsic-value P&L across a fan of underlying-price moves.

get/api/tools/option-calculator

Request

  • Base URL: https://api.zerogex.io (the document declares no server; this is the origin it was published from)
  • URL: https://api.zerogex.io/api/tools/option-calculator
  • Auth: HTTP bearer

Query parameters

underlyingstring required

Underlying symbol, e.g. SPY

strikenumber required

Strike price

expirationstring required

Expiration date (YYYY-MM-DD)

option_type'C' | 'P' required

Option type: C or P

num_contractsinteger

Number of contracts (each contract = 100 shares).

stepsinteger

Number of price-move scenarios to project (1–100).

step_pctnumber

Percent move per step as a fraction (max 0.01).

fee_per_contractnumber

Brokerage fee per contract.

Response

Successful Response

underlyingstring required
strikenumber required
expirationstring date required
option_type'C' | 'P' required
num_contractsinteger required
stepsinteger required
step_pctnumber required
fee_per_contractnumber required
spot_pricenumber required
entry_pricenumber required
entry_price_sourcestring required

Which option-chain field was used as the entry price (mid/last/bid_ask_avg).

quote_timestampstring date-time nullable
total_costnumber required

entry_price × num_contracts × 100 + num_contracts × fee_per_contract

total_feesnumber required
breakeven_pricenumber required
pct_move_to_breakevennumber required

Changes

No recorded changes to this operation across all 1 revision of this API.