CIEN vs. SNDK: Ciena vs. Sandisk Stock Comparison
This page compares Ciena (CIEN) with Sandisk (SNDK) using performance and risk, profitability, financial strength, growth, dividends, and valuation metrics.
Performance
Cumulative Growth
Trailing Returns
Performance at a Glance
| Metric | CIEN | SNDK |
|---|---|---|
| 1-Year Return | 501.62% | 4,694.43% |
Risk
Drawdown
Risk at a Glance
| Metric | CIEN | SNDK |
|---|---|---|
| 1-Year Volatility | 66.85% | 99.68% |
| Beta | 1.30 | 4.88 |
| 3-Month Avg. Volume | 2.84M | 15.39M |
Company Profile
Ciena (CIEN) and Sandisk (SNDK) both fall under the Technology Hardware & Equipment industry group, but CIEN is classified in Communications Equipment while SNDK is classified in Technology Hardware, Storage & Peripherals.
Ciena (CIEN) carries decades of public-market history since February 7, 1997, while Sandisk (SNDK) listed on February 13, 2025 — long-window comparisons have far more historical data on the CIEN side.
| Profile Item | CIEN | SNDK |
|---|---|---|
| Name | Ciena Corporation | SanDisk Corporation |
| Country/Region | United States | United States |
| GICS Sector | Information Technology | Information Technology |
| GICS Industry Group | Technology Hardware & Equipment | Technology Hardware & Equipment |
| GICS Industry | Communications Equipment | Technology Hardware, Storage & Peripherals |
| GICS Sub-Industry | Communications Equipment | Technology Hardware, Storage & Peripherals |
| Market Capitalization | 63.13 billion USD | 293.23 billion USD |
| Currency | USD | USD |
| Exchange | NYSE | Nasdaq |
| Listing Date | February 7, 1997 | February 13, 2025 |
| Security Type | Common Stock | Common Stock |
Valuation
Price-to-Earnings Ratio (TTM)
Sandisk (SNDK) at 67.56 is near its industry’s usual P/E ratio, while Ciena (CIEN) at 149.16 sits in the richer quartile — CIEN needs stronger growth or earnings quality to justify the premium.
CIEN
Technology Hardware & Equipment industry group
149.16
- Max
- 171.43
- CIEN
- 149.16
- Q3
- 83.19
- Median
- 39.13
- Q1
- 23.68
- Min
- 9.35
SNDK
Technology Hardware & Equipment industry group
67.56
- Max
- 171.43
- Q3
- 83.19
- SNDK
- 67.56
- Median
- 39.13
- Q1
- 23.68
- Min
- 9.35
Price-to-Sales Ratio (TTM)
Both look expensive on sales: Ciena (CIEN) at 11.34 sits in the upper P/S ratio quartile, and Sandisk (SNDK) at 22.24 prices even higher, above its industry range.
CIEN
Technology Hardware & Equipment industry group
11.34
- Max
- 19.39
- CIEN
- 11.34
- Q3
- 9.05
- Median
- 4.10
- Q1
- 1.42
- Min
- 0.00
SNDK
Technology Hardware & Equipment industry group
22.24
- SNDK
- 22.24
- Max
- 19.39
- Q3
- 9.05
- Median
- 4.10
- Q1
- 1.42
- Min
- 0.00
Price-to-Book Ratio (MRQ)
Measured against book value, both Ciena (CIEN) at 21.83 and Sandisk (SNDK) at 21.27 look expensive — each P/B ratio sits above its industry’s benchmark range.
CIEN
Technology Hardware & Equipment industry group
21.83
- CIEN
- 21.83
- Max
- 17.76
- Q3
- 9.32
- Median
- 4.56
- Q1
- 2.09
- Min
- -3.27
SNDK
Technology Hardware & Equipment industry group
21.27
- SNDK
- 21.27
- Max
- 17.76
- Q3
- 9.32
- Median
- 4.56
- Q1
- 2.09
- Min
- -3.27
Valuation at a Glance
| Metric | CIEN | SNDK |
|---|---|---|
| Price-to-Earnings Ratio (TTM) | 149.16 | 67.56 |
| Price-to-Sales Ratio (TTM) | 11.34 | 22.24 |
| Price-to-Book Ratio (MRQ) | 21.83 | 21.27 |
| Free Cash Flow Yield | 1.11% | 0.77% |
Profitability
Return on Equity (TTM)
Sandisk (SNDK) at 39.30% sits in the top ROE quartile, while Ciena (CIEN) at 15.46% is closer to the peer norm — stronger capital efficiency for SNDK.
CIEN
Technology Hardware & Equipment industry group
15.46%
- Max
- 44.16%
- Q3
- 19.25%
- CIEN
- 15.46%
- Median
- 10.96%
- Q1
- 0.71%
- Min
- -25.92%
SNDK
Technology Hardware & Equipment industry group
39.30%
- Max
- 44.16%
- SNDK
- 39.30%
- Q3
- 19.25%
- Median
- 10.96%
- Q1
- 0.71%
- Min
- -25.92%
Net Profit Margin (TTM)
Sandisk (SNDK) at 34.19% converts revenue to bottom-line profit above its industry’s benchmark range, while Ciena (CIEN) at 7.87% keeps roughly the typical share for its industry.
CIEN
Technology Hardware & Equipment industry group
7.87%
- Max
- 30.43%
- Q3
- 12.35%
- CIEN
- 7.87%
- Median
- 4.45%
- Q1
- 0.00%
- Min
- -14.09%
SNDK
Technology Hardware & Equipment industry group
34.19%
- SNDK
- 34.19%
- Max
- 30.43%
- Q3
- 12.35%
- Median
- 4.45%
- Q1
- 0.00%
- Min
- -14.09%
Operating Profit Margin (TTM)
Sandisk (SNDK) at 69.98% turns sales into operating profit above its industry’s benchmark range, while Ciena (CIEN) at 15.20% operates around its industry’s norm.
CIEN
Technology Hardware & Equipment industry group
15.20%
- Max
- 35.67%
- Q3
- 15.55%
- CIEN
- 15.20%
- Median
- 6.62%
- Q1
- 1.55%
- Min
- -18.45%
SNDK
Technology Hardware & Equipment industry group
69.98%
- SNDK
- 69.98%
- Max
- 35.67%
- Q3
- 15.55%
- Median
- 6.62%
- Q1
- 1.55%
- Min
- -18.45%
Profitability at a Glance
| Metric | CIEN | SNDK |
|---|---|---|
| Return on Equity (TTM) | 15.46% | 39.30% |
| Return on Assets (TTM) | 6.66% | 22.82% |
| Net Profit Margin (TTM) | 7.87% | 34.19% |
| Operating Profit Margin (TTM) | 15.20% | 69.98% |
| Gross Profit Margin (TTM) | 43.05% | 56.04% |
Growth
Revenue Growth
Revenue Growth at a Glance
| Metric | CIEN | SNDK |
|---|---|---|
| 1-Year Revenue Growth | 18.79% | 10.39% |
| 3-Year Revenue CAGR | 9.50% | -- |
EPS Growth
EPS Growth at a Glance
| Metric | CIEN | SNDK |
|---|---|---|
| 1-Year EPS Growth | 46.55% | -- |
| 3-Year EPS CAGR | -5.27% | -- |
Financial Strength
Current Ratio (MRQ)
Ciena (CIEN) at 2.73 keeps current ratio within its industry’s typical mid-range, while Sandisk (SNDK) at 4.78 sits above its industry’s typical mid-range — comfortable liquidity, though possibly with more idle current assets relative to peers.
CIEN
Technology Hardware & Equipment industry group
2.73
- Max
- 5.80
- Q3
- 3.18
- CIEN
- 2.73
- Median
- 1.90
- Q1
- 1.28
- Min
- 0.40
SNDK
Technology Hardware & Equipment industry group
4.78
- Max
- 5.80
- SNDK
- 4.78
- Q3
- 3.18
- Median
- 1.90
- Q1
- 1.28
- Min
- 0.40
Debt-to-Equity Ratio (MRQ)
Sandisk (SNDK) at 0.02 keeps leverage in the lower industry quartile, while Ciena (CIEN) at 0.55 runs a more typical debt-to-equity mix.
CIEN
Technology Hardware & Equipment industry group
0.55
- Max
- 2.02
- Q3
- 0.88
- CIEN
- 0.55
- Median
- 0.31
- Q1
- 0.05
- Min
- 0.00
SNDK
Technology Hardware & Equipment industry group
0.02
- Max
- 2.02
- Q3
- 0.88
- Median
- 0.31
- Q1
- 0.05
- SNDK
- 0.02
- Min
- 0.00
Financial Strength at a Glance
| Metric | CIEN | SNDK |
|---|---|---|
| Current Ratio (MRQ) | 2.73 | 4.78 |
| Debt-to-Equity Ratio (MRQ) | 0.55 | 0.02 |
| Net Debt / EBITDA | 0.48 | -0.63 |
Dividends
Dividend Yield (TTM)
Neither Ciena (CIEN) nor Sandisk (SNDK) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.
CIEN
Technology Hardware & Equipment industry group
0.00%
- Max
- 1.30%
- Q3
- 0.54%
- CIEN
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
SNDK
Technology Hardware & Equipment industry group
0.00%
- Max
- 1.30%
- Q3
- 0.54%
- SNDK
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Payout Ratio (TTM)
Neither Ciena (CIEN) nor Sandisk (SNDK) pays a dividend this period — they may reinvest, use buybacks, or simply not return cash through dividends.
CIEN
Technology Hardware & Equipment industry group
0.00%
- Max
- 37.10%
- Q3
- 15.46%
- CIEN
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
SNDK
Technology Hardware & Equipment industry group
0.00%
- Max
- 37.10%
- Q3
- 15.46%
- SNDK
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividends at a Glance
| Metric | CIEN | SNDK |
|---|---|---|
| Dividend Yield (TTM) | 0.00% | 0.00% |
| Dividend Payout Ratio (TTM) | 0.00% | 0.00% |