Other

Cumulative Cost Basis

Ciena Cumulative Cost Basis decreased by 5.3% to $324.18M in Q4 2025 compared to the prior quarter. Year-over-year, this metric declined by 38.6%, from $527.93M to $324.18M. Over 4 years (FY 2021 to FY 2025), Cumulative Cost Basis shows relatively stable performance with a 1.5% CAGR.

Analysis

StatementBalance Sheet Statement
SectionOther
CategoryCapital Allocation
SignalContext dependent
VolatilityStable
First reportedQ4 2015
Last reportedQ1 2026Mar 5, 2026

How to read this metric

Provides a stable reference point for the scale of the bank's investment activities and historical capital deployment.

Detailed definition

The cumulative cost basis represents the original purchase price or historical cost of assets or liabilities before any...

Peer comparison

Universal accounting concept used by all financial institutions to track historical investment scale.

Metric ID: cumulative_cost_basis

Historical Data

20 periods
 Q2 '21Q3 '21Q4 '21Q1 '22Q2 '22Q3 '22Q4 '22Q1 '23Q2 '23Q3 '23Q4 '23Q1 '24Q2 '24Q3 '24Q4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Value$243.46M$242.85M$322.94M$550.21M$619.64M$517.54M$248.75M$147.17M$269.79M$238.97M$368.77M$343.66M$485.04M$414.80M$489.40M$527.93M$520.08M$421.64M$342.26M$324.18M
QoQ Change-0.2%+33.0%+70.4%+12.6%-16.5%-51.9%-40.8%+83.3%-11.4%+54.3%-6.8%+41.1%-14.5%+18.0%+7.9%-1.5%-18.9%-18.8%-5.3%
YoY Change+154.5%+113.1%-23.0%-73.3%-56.5%-53.8%+48.2%+133.5%+79.8%+73.6%+32.7%+53.6%+7.2%+1.6%-30.1%-38.6%
Range$147.17M$619.64M
CAGR+6.2%
Avg YoY Growth+26.4%
Median YoY Growth+20.0%
Current Streak4 quarters decline

Frequently Asked Questions

What is Ciena's cumulative cost basis?
Ciena (CIEN) reported cumulative cost basis of $324.18M in Q4 2025.
How has Ciena's cumulative cost basis changed year-over-year?
Ciena's cumulative cost basis decreased by 38.6% year-over-year, from $527.93M to $324.18M.
What is the long-term trend for Ciena's cumulative cost basis?
Over 4 years (2021 to 2025), Ciena's cumulative cost basis has grown at a 1.5% compound annual growth rate (CAGR), from $322.94M to $342.26M.
What does cumulative cost basis mean?
The original total cost of assets or liabilities before any accounting adjustments.