Ciena (CIEN) Tax Rate (2013 - 2026)
Ciena (CIEN) reported Tax Rate of 14.23% for fiscal Q3 2026 (quarter ended Aug 1, 2026), down 9.34 percentage points from 23.57% a year earlier but up 8.67 percentage points from the prior quarter.
Ciena (CIEN) Tax Rate (2013 - 2026) Analysis & Trends
Over the twelve months ended Aug 1, 2026, Ciena's Tax Rate came in at 9.82%, down 20.25 percentage points year-over-year; for FY2025 (ended Nov 1, 2025), it came in at 21.08%, down 8.87 percentage points from FY2024.
- Tax Rate has a five-year change of +0.32 percentage points (FY2020 to FY2025).
- By fiscal year, Tax Rate came in at 29.95% in FY2024 (+8.68 pp), 21.27% in FY2023 (+5.04 pp), 16.22% in FY2022 (+24.31 pp) and -8.09% in FY2021 (-28.85 pp).
- Five-year quarterly Tax Rate spans a low of -581.91% in fiscal Q4 2025 and a high of 53.79% in fiscal Q3 2023.
- Year over year, Tax Rate has now declined in each of the last four quarters, with an average year-over-year change of -69.29 percentage points over the last eight quarters.
- The high point for year-over-year Tax Rate in five years was fiscal Q3 2022 (a gain of 97.43 percentage points); the low point was fiscal Q4 2025 (a drop of 604.80 percentage points).
- Per Business Quant data, the three fiscal quarters before Q3 2026 came in at 5.56% (Q2 2026), 17.02% (Q1 2026) and -581.91% (Q4 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Apple | 5,023.53 Bn | 4,771.02 Bn | 54.77 Bn | 17.86% |
| 2 | Cisco Systems | 434.59 Bn | 370.52 Bn | 11.06 Bn | 21.77% |
| 3 | Dell Technologies | 303.32 Bn | 259.08 Bn | 9.83 Bn | 19.45% |
| 4 | Arista Networks | 233.08 Bn | 186.53 Bn | 1.91 Bn | 19.37% |
| 5 | Sandisk | 204.99 Bn | 193.51 Bn | 7.58 Bn | 12.05% |
| 6 | Seagate Technology Holdings | 151.41 Bn | 146.40 Bn | 1.90 Bn | 14.02% |
| 7 | Sony | 147.67 Bn | 84.93 Bn | 6.53 Bn | 26.70% |
| 8 | Western Digital | 122.89 Bn | 111.02 Bn | 2.03 Bn | 1.60% |
| 9 | Hewlett Packard Enterprise | 78.34 Bn | 56.22 Bn | 4.93 Bn | 12.60% |
| 10 | Ciena | 50.51 Bn | 44.07 Bn | 759.27 Mn | 14.23% |
Historic Data
| Date | Value |
|---|---|
| Aug 1, 2026 | 14.23% |
| May 2, 2026 | 5.56% |
| Jan 31, 2026 | 17.02% |
| Aug 2, 2025 | 23.57% |
| May 3, 2025 | 52.83% |
| Feb 1, 2025 | 35.02% |
| Nov 2, 2024 | 22.89% |
| Jul 27, 2024 | 12.99% |
| Jan 27, 2024 | 30.71% |
| Jul 29, 2023 | 53.79% |
| Apr 29, 2023 | 34.09% |
| Jan 28, 2023 | 24.75% |
| Oct 29, 2022 | 11.83% |
| Jul 30, 2022 | 29.12% |
| Apr 30, 2022 | 17.63% |
| Jan 29, 2022 | 16.75% |
| Oct 30, 2021 | 19.97% |
| May 1, 2021 | 17.22% |
| Jan 30, 2021 | 17.78% |
| Oct 31, 2020 | 24.23% |
Ciena Tax Rate API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=tax-rate&ticker=CIEN&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "CIEN", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=CIEN&period=max&api_key=YOUR_API_KEY");
const data = await res.json();