Crate ib_flex 

ib-flex

Pure Rust parser for Interactive Brokers FLEX XML statements.

Features

• 🚀 Zero-copy parsing with quick-xml and serde
• 💰 Financial precision with rust_decimal for all monetary values
• 📅 Correct datetime handling with chrono
• ✅ Type-safe enums for asset categories, order types, etc.
• 🔧 No external dependencies beyond XML/serde
• 📦 Supports both Activity and Trade Confirmation FLEX

Quick Start

use ib_flex::parse_activity_flex;

let xml = std::fs::read_to_string("flex_statement.xml")?;
let statement = parse_activity_flex(&xml)?;

println!("Account: {}", statement.account_id);
println!("Total trades: {}", statement.trades.items.len());

// Calculate total commissions
let total_commission: rust_decimal::Decimal =
    statement.trades.items.iter().filter_map(|t| t.commission).sum();
println!("Total commissions: ${}", total_commission);

Supported FLEX Sections

Activity FLEX

• ✅ Trades
• ✅ Open Positions
• ✅ Cash Transactions
• ✅ Corporate Actions
• ✅ Securities Info
• ✅ FX Conversion Rates

Trade Confirmation FLEX

• ✅ Trade executions with all details
• ✅ Commission breakdown

Known Limitations

1. Date formats: Only ISO-8601 (yyyy-MM-dd) and yyyyMMdd supported
2. Schema versions: Tested with FLEX schema version 3

Re-exports

pub use error::ParseError;

pub use error::Result;

pub use types::ActivityFlexStatement;

pub use types::AssetCategory;

pub use types::BuySell;

pub use types::CashTransaction;

pub use types::CorporateAction;

pub use types::OpenClose;

pub use types::OrderType;

pub use types::Position;

pub use types::PutCall;

pub use types::Trade;

pub use types::TradeConfirmationStatement;

pub use version::FlexSchemaVersion;

Modules

error

Error types for FLEX parsing

parsers

FLEX XML parsers

types

FLEX data types

version

FLEX schema version detection

Enums

StatementType

FLEX statement type

Functions

detect_statement_type

Detect FLEX statement type from XML

parse_activity_flex

Parse an Activity FLEX XML statement

parse_activity_flex_all

Parse all Activity FLEX statements from XML

parse_trade_confirmation

Parse a Trade Confirmation FLEX XML statement