Ciena CIEN
NYSE CIEN
$356.56 -1.87 (-0.52%)
As of: Sep 25, 2026 · 3:59 PM EDT

Ciena (CIEN) Tax Rate (2009 - 2026)

Ciena (CIEN) posted Tax Rate of 14.23% for Q3 2026, up 156.08% on a QoQ basis from 5.56% in Q2 2026, and down 934.0% year-over-year from 1.71% in Q3 2025.

Analysis

Ciena (CIEN) Tax Rate (2009 - 2026) Analysis & Trends

Ciena has reported Tax Rate for 18 years, with the latest figure at 14.23% in Q3 2026.

  • On a quarterly basis, Tax Rate fell 934.0% year-over-year to 14.23% in Q3 2026; TTM through Aug 2026 was 9.82%, a 2025.0% decrease from a year earlier, with the FY2025 full-year figure at 21.08%, down 887.0% from the prior year.
  • Tax Rate was 14.23% for Q3 2026 at Ciena, up from 5.56% in the prior quarter.
  • The five-year high for Tax Rate was 53.79% in Q3 2023, with the low at 581.91% in Q4 2025.
  • Average Tax Rate over 5 years is 11.24%, with a median of 17.63% recorded in 2022.
  • The sharpest annual moves came in 2022 and 2025: Tax Rate surged 9743 bps in 2022, then plunged 60480 bps in 2025.
  • Over 5 years, Tax Rate stood at 11.83% in 2022, then sank by 348 bps to 29.33% in 2023, then surged by 178 bps to 22.89% in 2024, then tumbled by 2642 bps to 581.91% in 2025, then surged by 102 bps to 14.23% in 2026.
  • The last three Tax Rate figures came in at 14.23% (Q3 2026), 5.56% (Q2 2026), and 17.02% (Q1 2026), per Business Quant data.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Apple 4,923.51 Bn 4,861.11 Bn 54.77 Bn 17.86%
2 Cisco Systems 419.97 Bn 404.45 Bn 11.06 Bn 21.77%
3 Dell Technologies 351.63 Bn 340.06 Bn 9.83 Bn 19.45%
4 Sandisk 265.22 Bn 260.46 Bn 7.58 Bn 12.05%
5 Arista Networks 256.62 Bn 243.27 Bn 1.91 Bn 19.37%
6 Seagate Technology Holdings 209.52 Bn 207.82 Bn 1.90 Bn 14.02%
7 Western Digital 171.00 Bn 169.42 Bn 2.03 Bn 1.60%
8 Sony 142.68 Bn 123.26 Bn 6.53 Bn 26.70%
9 Lumentum Holdings 83.02 Bn 80.28 Bn 477.30 Mn 3.98%
10 Ciena 50.48 Bn 47.85 Bn 759.27 Mn 14.23%
Historic Data

Historic Data

Download Data
DateValue
Aug 1, 2026 14.23%
May 2, 2026 5.56%
Jan 31, 2026 17.02%
Nov 1, 2025 -581.91%
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%
Apr 27, 2024 -5.12%
Jan 27, 2024 30.71%
Oct 28, 2023 -29.33%
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%
API Access

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_KEY