Interface Trade

interface Trade {
    ts: string;
    trade_id: string;
    order_id?: string | null;
    symbol: string;
    action: TradeAction;
    quantity: number;
    price: number;
    commission?: number | null;
    realized_pnl?: number | null;
    realized_pnl_pct?: number | null;
    holding_period_days?: number | null;
    strategy_type?: StrategyType | null;
    broker?: string | null;
    notes?: string | null;
}