Companies: 10,795·Total market cap: $144.5T
ATCO Ltd.

ATCO Ltd.

ACO-X.TOTSXUtilities● Active
$70.44
$-1.66(-2.30%)
Market Cap$7.1B
P/E Ratio
52W High$72.48
52W Low$47.52

ATCO Ltd. (ACO-X.TO) PE Ratio — Current & Historical Data

Trailing twelve months (TTM) P/E, forward P/E, PEG, and annual PE history — from market prices and filings.

aco-x.to · pe ratio · data through Dec 31, 2025

Core PE Ratio Metrics

Trailing 12 months · TTM

The price-to-earnings (P/E) ratio for ATCO Ltd. (ACO-X.TO) measures how much investors pay for each dollar of the company's trailing earnings. ACO-X.TO's current PE ratio of 50.54x is calculated by dividing its stock price of $70.44 by its TTM earnings per share of $1.41. +158.9% elevated vs 5Y avg 19.5x

50.54x
P/E Ratio (TTM)+158.9%

Source: FMP · /ratios-ttm · /analyst-estimates · 2025-12-31

Forward P/E
14.67x
FY2026 est. EPS $4.80
Based on 6 analysts
EPS (TTM)
$1.41
TTM · diluted EPS
PEG Ratio
-0.80
Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · ATCO Ltd. SEC 10-K & 10-Q filings · US GAAPUpdated: 2026-06-08

PE Ratio History

2006 – 2025 · Annual
PE Ratio (TTM)
5Y Avg 19.5x
EPS (Annual)

▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare (Annual)

Historical PE Range

Past 20 fiscal years · Front-end computed
Average
15.5x
20-yr mean
Median
12.9x
20-yr midpoint
Minimum
8.1x
Lowest year
Maximum
42.2x
Highest year
50.5x ← Now
8.1x
Min
Q1 · 25%12.9x
Median
Q3 · 75%42.2x
Max
Historically Elevated

At 50.54x, ACO-X.TO's current P/E is higher than in 100% of its annual fiscal year readings over the past 20 years — historically elevated.

100th percentileHigher than 20 of 20 historical fiscal year readings

Percentile calculated from annual fiscal year data points, not by trading day. Years where PE ≤ 0 or > 9,999 are excluded.

PE Ratio vs Peers

Diversified Utilities · 6 peers · Annual PE
CompanyMarket CapPE (Annual)vs AvgEPS (TTM)
ATCO Ltd.
ATCO Ltd.You
ACO-X.TO
$7.1B50.54x-65.2%$1.41
Algonquin Power & Utilities Corp.
Algonquin Power & Utilities Corp.
AQN.TO
$6.4B25.55x-82.4%$0.24
Brookfield Renewable Corporation
Brookfield Renewable Corporation
BEPC.TO
$8.0BN/A-$18.23
Brookfield Infrastructure Corporation
Brookfield Infrastructure Corporation
BIPC.TO
$7.0BN/A-$2.06
Brookfield Infrastructure Partners L.P.
Brookfield Infrastructure Partners L.P.
BIP-PE.TO
$11.9B35.60x-75.5%$0.98
Boralex Inc.
Boralex Inc.
BLX.TO
$3.8B422.17x+190.7%$0.06
Canadian Utilities Limited
Canadian Utilities Limited
CU.TO
$10.3B97.60x-32.8%$0.44
Industry Average
4 peers with valid PE
145.23xbaseline

* N/A — Company is not profitable (TTM) · excluded from industry average · ▸ FMP /stock-peers + /ratios?limit=1 · priceToEarningsRatio

Annual PE Ratio History

Showing 10 of 20 years
Fiscal Year EndPE RatioEPS (TTM)YoY ChangePE vs Max
2025-12-31Latest
FY2025
42.21x$1.34+240.1%
2024-12-31
FY2024
12.41x$3.83+22.6%
2023-12-31
FY2023
10.12x$3.82-22.4%
2022-12-31
FY2022
13.05x$3.25-34.1%
2021-12-31
FY2021
19.82x$2.15+19.6%
2020-12-31
FY2020
16.56x$2.20+49.3%
2019-12-31
FY2019
11.10x$4.49-17.6%
2018-12-31
FY2018
13.47x$2.87-42.7%
2017-12-31
FY2017
23.49x$1.92+56.3%
2016-12-31
FY2016
15.03x$2.97-43.5%

▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare · Zero extra API

About PE Ratio & Methodology

The price-to-earnings (P/E) ratio for ATCO Ltd. (ACO-X.TO) measures how much investors pay for each dollar of the company's trailing earnings. ACO-X.TO's current PE ratio of 50.54x is calculated by dividing its stock price of $70.44 by its TTM earnings per share of $1.41.

PE Ratio = Stock Price ÷ EPS (TTM)
= $70.44 ÷ $1.41 = 50.54x
TTMTrailing Twelve Months — sum of the most recent 4 quarterly EPS figures
Forward PEStock price ÷ analyst consensus EPS estimate for the next fiscal year
PEGPE ÷ earnings growth rate — values below 1.0 suggest growth may justify the premium
Figures tie to SEC 10-K/10-Q and FMP ratio endpoints where noted.

Frequently asked questions

ACO-X.TO pe ratio · 6 questions

ACO-X.TO's current PE ratio is 50.54x as of 2026-06-08, based on a stock price of $70.44 and TTM EPS of $1.41. Data sourced from Financial Modeling Prep via ACO-X.TO's SEC 10-K and 10-Q filings.

ACO-X.TO PE ratioWhat is ACO-X.TO PE ratioCurrent PE ratio of ACO-X.TOACO-X.TO PE ratio today

Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · ATCO Ltd. SEC 10-K & 10-Q filings · US GAAP · Updated: 2026-06-08