COHR vs. LRN
COHR (Coherent, Inc.) and LRN (Stride, Inc.) are both stocks. COHR operates in Scientific & Technical Instruments (Technology), while LRN operates in Education & Training Services (Consumer Defensive). Over the past 10 years, COHR returned 34.35%/yr vs 23.80%/yr for LRN. At a 0.25 correlation, their price movements are largely independent.
Performance
COHR vs. LRN - Performance Comparison
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Returns By Period
In the year-to-date period, COHR achieves a 108.61% return, which is significantly higher than LRN's 50.49% return. Over the past 10 years, COHR has outperformed LRN with an annualized return of 34.35%, while LRN has yielded a comparatively lower 23.80% annualized return.
COHR
- 1D
- 5.90%
- 1M
- -4.63%
- YTD
- 108.61%
- 6M
- 115.90%
- 1Y
- 375.64%
- 3Y*
- 107.95%
- 5Y*
- 40.59%
- 10Y*
- 34.35%
LRN
- 1D
- -1.77%
- 1M
- 10.87%
- YTD
- 50.49%
- 6M
- 51.49%
- 1Y
- -31.17%
- 3Y*
- 33.90%
- 5Y*
- 26.27%
- 10Y*
- 23.80%
COHR vs. LRN - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
COHR Coherent, Inc. | 108.61% | 94.84% | 117.62% | 24.02% | -48.63% | -10.04% | 125.60% | 3.73% | -30.86% | 58.35% |
LRN Stride, Inc. | 50.49% | -37.53% | 75.05% | 89.80% | -6.15% | 56.99% | 4.32% | -17.91% | 55.91% | -7.34% |
Correlation
The correlation between COHR and LRN is -0.03, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.03 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.16 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.19 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.18 |
Correlation (All Time) Calculated using the full available price history since Dec 13, 2007 | 0.25 |
The correlation between COHR and LRN shifts across timeframes, from -0.03 (1 year) to 0.25 (all time), reflecting how their relationship changes across market environments.
Fundamentals
COHR:
$1.64K
LRN:
$9.68
COHR:
0.23
LRN:
10.10
COHR:
0.04
LRN:
0.25
COHR:
0.02
LRN:
1.86
COHR:
$1.81T
LRN:
$2.54B
COHR:
$1.76B
LRN:
$972.24M
COHR:
$960.76M
LRN:
$424.60M
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Return for Risk
COHR vs. LRN — Risk / Return Rank
COHR
LRN
COHR vs. LRN - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Coherent, Inc. (COHR) and Stride, Inc. (LRN). 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.
| COHR | LRN | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +5.61 | ||
| Sortino ratioReturn per unit of downside risk | +4.00 | ||
| Omega ratioGain probability vs. loss probability | 1.54 | 0.97 | +0.57 |
| Calmar ratioReturn relative to maximum drawdown | 14.28 | -0.49 | +14.77 |
| Martin ratioReturn relative to average drawdown | 39.14 | -0.74 | +39.88 |
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Drawdowns
COHR vs. LRN - Drawdown Comparison
The maximum COHR drawdown since its inception was -80.89%, roughly equal to the maximum LRN drawdown of -81.41%. Use the drawdown chart below to compare losses from any high point for COHR and LRN.
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Drawdown Indicators
| COHR | LRN | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -80.89% | -81.41% | +0.52% |
Max Drawdown (1Y)Largest decline over 1 year | -26.52% | -64.07% | +37.55% |
Max Drawdown (3Y)Largest decline over 3 years | -54.85% | -64.07% | +9.22% |
Max Drawdown (5Y)Largest decline over 5 years | -62.87% | -64.07% | +1.20% |
Max Drawdown (10Y)Largest decline over 10 years | -72.22% | -64.07% | -8.15% |
Current DrawdownCurrent decline from peak | -9.81% | -42.46% | +32.65% |
Average DrawdownAverage peak-to-trough decline | -35.02% | -36.27% | +1.25% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.66% | 42.11% | -32.45% |
Volatility
COHR vs. LRN - Volatility Comparison
Coherent, Inc. (COHR) has a higher volatility of 27.87% compared to Stride, Inc. (LRN) at 8.21%. This indicates that COHR's price experiences larger fluctuations and is considered to be riskier than LRN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| COHR | LRN | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 27.87% | 8.21% | +19.66% |
Volatility (6M)Calculated over the trailing 6-month period | 57.45% | 24.17% | +33.28% |
Volatility (1Y)Calculated over the trailing 1-year period | 73.72% | 66.70% | +7.02% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 61.62% | 51.40% | +10.22% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 56.55% | 49.22% | +7.33% |
Dividends
COHR vs. LRN - Dividend Comparison
Neither COHR nor LRN has paid dividends to shareholders.
Financials
COHR vs. LRN - Financials Comparison
This section allows you to compare key financial metrics between Coherent, Inc. and Stride, Inc.. 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
COHR vs. LRN - Profitability Comparison
COHR - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Coherent, Inc. reported a gross profit of 0.00 and revenue of 1.81T. Therefore, the gross margin over that period was 0.0%.
LRN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Stride, Inc. reported a gross profit of 231.56M and revenue of 629.87M. Therefore, the gross margin over that period was 36.8%.
COHR - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Coherent, Inc. reported an operating income of 0.00 and revenue of 1.81T, resulting in an operating margin of 0.0%.
LRN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Stride, Inc. reported an operating income of 129.08M and revenue of 629.87M, resulting in an operating margin of 20.5%.
COHR - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Coherent, Inc. reported a net income of 191.40B and revenue of 1.81T, resulting in a net margin of 10.6%.
LRN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Stride, Inc. reported a net income of 248.49M and revenue of 629.87M, resulting in a net margin of 39.5%.
Frequently Asked Questions
COHR and LRN have a correlation of -0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
COHR has higher volatility (27.87%) compared to LRN (8.21%). In terms of maximum drawdown, COHR dropped -80.89% vs LRN's -81.41%.
COHR currently has the higher Sharpe Ratio (5.14 vs -0.47), 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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