FX Options Vol Surface Builder

Production

Calibrates a SABR surface from Bloomberg vol quotes for the options pricing library.

vol-surface Front office Wei Chen · Champion Foreign Exchange desk

Stage 1 Draft

Stage 2 Tech standards

Stage 3 Business risk

Stage 4 Approved

Stage 5 Production

The current version as a directed acyclic graph — data flows left to right, edges show the order nodes run in.

3 nodes 2 edges

MCP call Bloomberg Vol Quotes quotes

Pricing SABR Calibration sabr

Output Vol Surface out

Node types in this graph

Sources

Bring data in

Data source MCP call NLP extract

Transforms

Price, compute, reshape

Transform Pricing Risk calc Stress test Tokenize

Logic

Validate and branch

Validation Decision

Controls

Halt for a human or a breach

Human in loop Risk monitor

Outputs

Emit, settle, notify

Settle on-chain API response Notification Output

Every version this app has carried, newest first. A new version is a fresh DRAFT until it clears governance.

Version	Status	Nodes	Author	Created	Submitted	Approved
v1 current	Production	3	Wei Chen	25 Apr 2026	09 Jun 2026	07 Jul 2026