GFI vs. OPRX
GFI (Gold Fields Limited) and OPRX (OptimizeRx Corporation) are both stocks. GFI operates in Gold (Basic Materials), while OPRX operates in Health Information Services (Healthcare). Over the past 10 years, GFI returned 22.89%/yr vs 18.64%/yr for OPRX. At a 0.03 correlation, their price movements are largely independent.
Performance
GFI vs. OPRX - Performance Comparison
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Returns By Period
In the year-to-date period, GFI achieves a -19.53% return, which is significantly higher than OPRX's -47.72% return. Over the past 10 years, GFI has outperformed OPRX with an annualized return of 22.89%, while OPRX has yielded a comparatively lower 18.64% annualized return.
GFI
- 1D
- 0.29%
- 1M
- -4.90%
- 6M
- -23.10%
- YTD
- -19.53%
- 1Y
- 47.03%
- 3Y*
- 40.04%
- 5Y*
- 34.68%
- 10Y*
- 22.89%
OPRX
- 1D
- 2.07%
- 1M
- 21.40%
- 6M
- -51.29%
- YTD
- -47.72%
- 1Y
- -49.53%
- 3Y*
- -24.61%
- 5Y*
- -35.05%
- 10Y*
- 18.64%
GFI vs. OPRX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GFI Gold Fields Limited | -19.53% | 240.42% | -6.27% | 44.90% | -2.61% | 23.33% | 43.02% | 89.47% | -16.75% | 45.29% |
OPRX OptimizeRx Corporation | -47.72% | 152.26% | -66.04% | -14.82% | -72.95% | 99.33% | 203.41% | -6.38% | 598.73% | 93.83% |
Correlation
The correlation between GFI and OPRX is 0.14, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.14 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.10 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.09 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.04 |
Correlation (All Time) Calculated using the full available price history since Aug 24, 2007 | 0.03 |
The correlation between GFI and OPRX shifts across timeframes, from 0.03 (all time) to 0.14 (1 year), reflecting how their relationship changes across market environments.
Fundamentals
GFI:
$30.56B
OPRX:
$120.28M
GFI:
$5.39
OPRX:
$0.36
GFI:
6.33
OPRX:
17.87
GFI:
0.10
OPRX:
0.03
GFI:
2.18
OPRX:
1.14
GFI:
3.62
OPRX:
0.93
GFI:
$13.98B
OPRX:
$107.35M
GFI:
$7.34B
OPRX:
$70.86M
GFI:
$8.04B
OPRX:
$16.55M
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Return for Risk
GFI vs. OPRX — Risk / Return Rank
GFI
OPRX
GFI vs. OPRX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Gold Fields Limited (GFI) and OptimizeRx Corporation (OPRX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| GFI | OPRX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.45 | ||
| Sortino ratioReturn per unit of downside risk | +2.13 | ||
| Omega ratioGain probability vs. loss probability | 1.18 | 0.91 | +0.26 |
| Calmar ratioReturn relative to maximum drawdown | 1.04 | -0.66 | +1.70 |
| Martin ratioReturn relative to average drawdown | 2.44 | -1.04 | +3.48 |
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Drawdowns
GFI vs. OPRX - Drawdown Comparison
The maximum GFI drawdown since its inception was -88.05%, smaller than the maximum OPRX drawdown of -99.32%. Use the drawdown chart below to compare losses from any high point for GFI and OPRX.
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Drawdown Indicators
| GFI | OPRX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -88.05% | -99.32% | +11.27% |
Max Drawdown (1Y)Largest decline over 1 year | -46.66% | -79.06% | +32.40% |
Max Drawdown (3Y)Largest decline over 3 years | -46.66% | -79.06% | +32.40% |
Max Drawdown (5Y)Largest decline over 5 years | -56.22% | -96.10% | +39.88% |
Max Drawdown (10Y)Largest decline over 10 years | -63.09% | -96.10% | +33.01% |
Current DrawdownCurrent decline from peak | -42.88% | -93.46% | +50.58% |
Average DrawdownAverage peak-to-trough decline | -44.24% | -60.69% | +16.45% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 19.83% | 49.95% | -30.12% |
Volatility
GFI vs. OPRX - Volatility Comparison
Gold Fields Limited (GFI) has a higher volatility of 19.88% compared to OptimizeRx Corporation (OPRX) at 15.60%. This indicates that GFI's price experiences larger fluctuations and is considered to be riskier than OPRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GFI | OPRX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 19.88% | 15.60% | +4.28% |
Volatility (6M)Calculated over the trailing 6-month period | 47.77% | 54.82% | -7.05% |
Volatility (1Y)Calculated over the trailing 1-year period | 61.30% | 79.01% | -17.71% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 52.77% | 76.06% | -23.29% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 54.77% | 114.59% | -59.82% |
Dividends
GFI vs. OPRX - Dividend Comparison
GFI's dividend yield for the trailing twelve months is around 5.39%, while OPRX has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GFI Gold Fields Limited | 5.39% | 1.77% | 2.94% | 2.87% | 3.40% | 3.24% | 1.72% | 0.81% | 1.61% | 1.41% | 1.35% | 0.60% |
OPRX OptimizeRx Corporation | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Financials
GFI vs. OPRX - Financials Comparison
This section allows you to compare key financial metrics between Gold Fields Limited and OptimizeRx Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
GFI vs. OPRX - Profitability Comparison
GFI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, Gold Fields Limited reported a gross profit of 3.00B and revenue of 5.29B. Therefore, the gross margin over that period was 56.7%.
OPRX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jul 2026, OptimizeRx Corporation reported a gross profit of 14.93M and revenue of 19.84M. Therefore, the gross margin over that period was 75.3%.
GFI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, Gold Fields Limited reported an operating income of 2.71B and revenue of 5.29B, resulting in an operating margin of 51.3%.
OPRX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jul 2026, OptimizeRx Corporation reported an operating income of 396.00K and revenue of 19.84M, resulting in an operating margin of 2.0%.
GFI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, Gold Fields Limited reported a net income of 2.55B and revenue of 5.29B, resulting in a net margin of 48.2%.
OPRX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jul 2026, OptimizeRx Corporation reported a net income of -495.00K and revenue of 19.84M, resulting in a net margin of -2.5%.
Frequently Asked Questions
GFI and OPRX have a correlation of 0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GFI has higher volatility (19.88%) compared to OPRX (15.60%). In terms of maximum drawdown, GFI dropped -88.05% vs OPRX's -99.32%.
GFI currently has the higher Sharpe Ratio (0.79 vs -0.66), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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