PRTA vs MRK

Head-to-Head Stock Analysis & Investment Rating

Last Updated: Feb 03, 2026

PRTA

46.0
AI Score
VS
MRK Wins

MRK

65.7
AI Score

Investment Advisor Scores

PRTA

46score
Recommendation
HOLD

MRK

66score
Recommendation
BUY

AI Analyst Insights

AI insights temporarily unavailable

Detailed Metrics Comparison

Metric PRTA MRK Winner
Revenue 9.66M 48.61B MRK
Net Income -222.50M 15.29B MRK
Net Margin -2302.6% 31.5% MRK
ROE -75.4% 29.5% MRK
ROA -63.1% 11.8% MRK
Total Assets 352.63M 129.55B MRK
Cash 330.84M 18.17B MRK
Current Ratio 6.61 1.66 PRTA

Frequently Asked Questions

Based on our detailed analysis, MRK is currently the stronger investment candidate, winning 7 of the key financial metrics based on our comprehensive scoring model.

We analyze revenue and earnings growth rates in the "Growth" section above. Generally, the company with higher year-over-year revenue and EPS growth is fostering better expansion. Check the table above for the specific growth percentages.

Valuation is determined by metrics like the P/E Ratio and PEG Ratio. A lower P/E typically suggests a stock is cheaper relative to its earnings. Refer to the "Valuation" section in our comparison table to see which stock currently trades at a more attractive multiple.