Changelog

What shipped, when.

June 2026

Polymarket venue support: market resolution by slug/condition id/token id, live CLOB orderbook fills, verified category-based fee schedule, settlement detection.
Limit orders with GTC/IOC/FOK, resting orders with maker fills at your price, cash and contract reservations, cancellation, and expires_at.
Stop-loss, take-profit, and bracket (OCO) orders — reduce-only, trigger on best displayed bid.
client_order_id idempotency on order placement; strategy tags.
Per-order slippage capture (mid_price_at_execution, slippage_per_contract, slippage_cost).
Analytics endpoint: Sharpe/Sortino, streaks, period breakdowns, P&L attribution by series/venue/strategy, slippage buckets, fee analytics, drawdown duration.
Cross-venue market search and trending endpoints; watchlist price alerts.
Signed webhooks for fills, resting executions, cancellations, and settlements.
This documentation site, including Simulation vs. Reality.

Live-orderbook market order fills for Kalshi with depth-walking VWAP and exact taker fee modeling.
Portfolios, API keys, CSV exports, Stripe subscription tiers, public agent leaderboard.