Prop Calculator Assistant (MT5) — review, price and free alternatives

This review in 2026 examines Prop Calculator Assistant performance and provides analysis of logged trades across live challenge attempts and funded account management. Prop Calculator Assistant is purpose-built for MT5 and deliberately separates trade math from market prediction.

What makes Prop Calculator Assistant unique is its emphasis on precision and transparency. Nikolaos Panagis designed a visual panel that calculates exact lot sizes, pip value, and percentage risk in real time based on user-defined stops and account balance. The panel does not auto-open trades or attempt to forecast price action; instead it ingests proposed entry and stop levels and outputs tightly defined lot recommendations, equity exposure, and projected profit or loss. This approach reduces cognitive load and prevents common mistakes under the stress of funding challenges.

The algorithm performs best in accounts with clear risk rules such as FTMO-style daily loss limits and overall drawdown caps. It handles both low-volatility and high-volatility environments by adjusting recommended lot sizes to maintain target risk percentages. Expected performance characteristics include fewer sizing errors, higher consistency in rule compliance, and improved survival rates during challenge attempts. For MT5 users, Prop Calculator Assistant provides auditable calculations and integrates cleanly with standard order ticket workflows, making it a practical utility for traders focused on disciplined risk management rather than automated signal generation.

Prop Calculator Assistant represents a conservative to moderate risk control tool when used correctly. The primary stop loss strategy is user-defined, with the assistant converting stop distance into lot size to meet target risk percentages. Position sizing follows percent-of-equity or fixed-lot options, and the panel enforces maximum daily and overall drawdown thresholds set by the trader. Vulnerabilities exist if traders override recommendations or use brokers with inconsistent fills and high slippage. For most users, a recommended starting account size is $2,500 to $25,000 depending on target challenge levels and chosen percent-risk values. Prop Calculator Assistant helps reduce operational risk but does not eliminate market risk.

Install Prop Calculator Assistant by copying the indicator file into your MT5 Experts or Indicators folder and restart the platform. Attach the panel to the desired chart and allow automated trading if required by your MT5 build. Configure key parameters such as account currency, desired risk percent per trade, maximum daily loss, and pip-to-money conversion. Recommended brokers are low-spread ECN or STP providers with stable execution; avoid brokers with frequent requotes. Optimal chart timeframes depend on your strategy: use 1-15 minute charts for scalpers and 1H for swing entries. Test on a demo account for at least 100 trades before moving to live funds.