OPK vs CSTL

Head-to-Head Stock Analysis & Investment Rating

Last Updated: Aug 03, 2026

OPK

50.1
AI Score
VS
CSTL Wins

CSTL

57.4
AI Score

Investment Advisor Scores

OPK

50score
Recommendation
HOLD

CSTL

57score
Recommendation
HOLD

AI Analyst Insights

AI insights temporarily unavailable

Detailed Metrics Comparison

Metric OPK CSTL Winner
Revenue 287.78M 187.22M OPK
Net Income -63.26M -16.58M CSTL
Net Margin -22.0% -8.9% CSTL
Operating Income -57.99M -21.48M CSTL
ROE -5.3% -3.5% CSTL
ROA -3.5% -3.0% CSTL
Total Assets 1.83B 561.18M OPK
Cash 300.76M 62.12M OPK
Debt/Equity 0.29 0.02 CSTL
Current Ratio 3.35 6.04 CSTL

Relative Price Performance (Last 90 Days)

OPK 1M: -13.7% · 3M: +17.3% CSTL 1M: +13.3% · 3M: +14.3%

Current Technical Phase

OPK

Neutral
Hold

Mixed signals - no dominant trend phase, RSI 49

RSI (14): 49.4 · Price: $1.32

CSTL

Markup
Hold / add on dips

Price above SMA50, rising 50-day trend (4.3% over 20 days), RSI 71

RSI (14): 71.3 · Price: $28.00

Fundamentals Snapshot

Metric OPK CSTL
Market Cap
Forward P/E -4.8 -29.3
Trailing P/E
Revenue (TTM)
Revenue Growth 0.0% 0.0%
Gross Margin 0.2% 0.8%
Operating Margin -0.2% -0.2%
EPS -0.07 -0.46
Dividend Yield

Frequently Asked Questions

Based on our detailed analysis, CSTL 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.