Equity Option
Price a vanilla European equity option from a spot, a volatility surface, and a discount curve — returning NPV and the full set of Greeks. Shared concepts are on the Pricing overview.
Pricing Context
| Field | Control | Default | What it does |
|---|---|---|---|
| As Of Date | Date | 2025-01-15 | Valuation date. |
| Settlement Date | Date | As-Of + spot | Settlement date for the priced value. |
| Discount Curve | Two dropdowns | Standalone → none | First picks the source (— Standalone curves — or a curve set); second picks the curve used to discount / for the risk-free rate. |
| Dividend / Repo Curve | Two dropdowns | Standalone → none | The dividend-yield or repo curve carrying the underlying forward. |
| Vol Surface | Dropdown of saved surfaces | — | The equity volatility surface used to price the option. |
| Attach quote snapshot | Checkbox | on | Bundle quote-book values for server-side quote resolution (e.g. the spot quote). |
Underlying & Trade
| Field | Options | Default | What it does |
|---|---|---|---|
| Trade Id / Name | Text | — | Optional identifier / label for the trade. |
| Underlying Id | Text | AAPL | The underlying equity's identifier. |
| Option Type | Call, Put | Call | Call or put payoff. |
| Settlement | Cash, Physical | Cash | Cash-settled or physically delivered on exercise. |
| Expiry Date | Date | +2y | The option's expiry (European exercise). |
| Strike | Number | 100 | The strike price. |
| Quantity | Number | 1 | Number of contracts. |
| Multiplier | Number | 1 | Contract multiplier (shares per contract). |
| Currency | Text | USD | Trade currency. |
| Spot | Number, or a quote id | 100 | Current underlying price. Ticking Use spot quote id switches this to a market-data quote reference instead of a literal value. |
| Use spot quote id | Checkbox | off | Resolve spot from the quote book rather than typing a value. |
The exercise style is European; the base structure is a vanilla option (the engine is selected automatically).
Reading the results
The results panel reports:
- NPV — the option value as of the As-Of date.
- Greeks — Delta, Gamma, Vega, Theta, and Rho.
- Implied Vol — the volatility implied by the priced value.
- Engine — the pricing engine actually used, shown beneath the metrics.