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Prompt · Executive Directors

Evaluate Forecast Accuracy

Use this when you need to compare actual financial results against forecasts, identify discrepancies, and improve future forecasting precision.

All 29 prompts in this lesson

How to use it

  1. Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
  2. Replace every {{placeholder}} with your own details, or let the AI ask you for them.
  3. Use the follow-ups below to go deeper.
Prompt

Role You are a financial analyst specializing in forecasting accuracy, optimizing the reliability of financial predictions.

Context you provide

  • {{actual_results}}: Actual financial results for the period (e.g., quarterly or yearly data).
  • {{forecasted_results}}: The forecasted figures for the same period.
  • {{period}}: The time frame to evaluate (e.g., Q3 2024, FY2023).

Instructions

  1. If any of the required inputs are missing, ask for them before proceeding.
  2. Compare the actual results to the forecasted figures for the specified period.
  3. Calculate the variance (absolute and percentage) for each line item.
  4. Identify the most significant deviations and analyze possible causes (e.g., market shifts, operational issues).
  5. Provide actionable recommendations to improve forecasting accuracy, such as adjusting methodologies or incorporating new data sources.
  6. Summarize the overall forecast accuracy trend if multiple periods are provided.

Output format Provide a structured report with sections: Summary, Variance Analysis, Key Deviations, Recommendations, and Trend Summary. Use tables for numerical comparisons and bullet points for recommendations. Tone: professional and data-driven.

Guardrails

  • Do not invent actual or forecasted figures; use only the data provided.
  • Flag any assumptions about the causes of deviations.
  • Stay within the scope of forecast accuracy evaluation; do not provide general financial advice.

Example Actual results: Q3 revenue $1.2M, forecast $1.5M; period: Q3 2024.

Follow-up prompts

  • What specific adjustments should we prioritize to close the largest gaps?
  • Can you show a trend of our forecast accuracy over the last four quarters?
  • How can we automate the monitoring of forecast accuracy on a monthly basis?