Striking the right balance between accuracy and speed is vital in technical and financial analysis. 100% accuracy often relies on past data, while rapid analysis may compromise precision. The key lies in focusing on critical path tasks—prioritising essential steps that impact outcomes most. Ensure the data used is reliable. Further breakdown the dataset into manageable parts ensures clarity and efficiency. Leverage the team's experiences and industry insights from past challenges into the analysis, remove those irrelevant data at this point. Not to forget about the teamwork —sharing expertise resolves bottlenecks faster. Lastly, clear communication with stakeholders keeps expectations aligned especially on the realistic deadlines.

I can ensure accuracy and punctuality in following manner - 1. Ensure sufficent number of trained-qualified personnel in my firm. 2. Source data from reliable sources. 3. Back-test strategies thoroughly. 4. Ensure team work in order to avoid cognitive bias. 5. Regular training of personnel. 6. Delegate work to employees as per their skill sets in order to ensure timely completion of tasks. 7. Avoid data-mining bias and look for regime change in order to update strategy if needed. 8. Ensure suitable resources in firm to avoid unnecessary errors and time delays.

To ensure accuracy and meet deadlines amid unexpected challenges in technical analysis, prioritize tasks based on impact, break down complex issues into manageable parts, cross-check data sources, and involve team members for quicker problem-solving. Maintain regular progress updates to stay aligned with deadlines and mitigate potential delays.