Software in the Loop Market Insights Global Software in the Loop market size was valued at USD 0.85 billion in 2025. The market will increase from USD 0.92 billion in 2026 to USD 1.78 billion by 2034, reflecting a CAGR of 7.6 % during the forecast period. Software‑in‑the‑Loop (SiL) is a virtual validation technique that runs vehicle or system control code inside a high‑fidelity software...