During March 2026, NecoFX enhanced the nautechsystems/nautilus_trader repository by developing a Backtest Analyzer feature that integrates position snapshots for more accurate portfolio analysis. Using Rust, they engineered a solution to decode and aggregate historical position data from cache, enriching the analytics pipeline for algorithmic trading strategies. This approach addressed data gaps in backtest performance metrics by ensuring that time-series position data was included in the analysis, thereby improving the reliability of strategy evaluation. The work demonstrated depth in backtesting and portfolio analytics, resulting in a more robust foundation for decision-making and traceable changes within the trading system.