Other US listings · CNLPM · stock

Connecticut Light & Power Co. (CNLPM) stock price history

Every Other US listings trading session of Connecticut Light & Power Co. from Oct 15, 2003 to Jul 17, 2026: 5,724 daily bars, adjusted for splits and dividends, with minute bars arriving as capture begins. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

CNLPM adjusted close, 2003 to 2026

CNLPMConnecticut Light & Power Co.
$32.50+0.2% over one year
20052010201520202025
$38.34
All time high, 2022
$36.41
52 week high, $30.15 low
5,724
Daily sessions since 2003

Last updated Jul 17, 2026, the last stored session. Refreshes after each trading day. Full 2003 to 2026 series and minute bars.

CNLPM key facts

  • Connecticut Light & Power Co. (CNLPM) closed at $32.50 on Jul 17, 2026 on Other US listings.
  • CNLPM's all time high close is $38.34, set on Jan 7, 2022; its all time low close is $8.88 on May 14, 2004.
  • CNLPM's 52 week range is $30.15 to $36.41.
  • CNLPM returned +0.2% over the year to Jul 17, 2026 and -10.9% over five years.
  • Over ten years CNLPM returned +10%, +1.0% a year compounded.
  • CNLPM's deepest drawdown was -35.0% from Jan 7, 2022 to Oct 5, 2023.
  • DataCedar holds 5,724 daily sessions of CNLPM history from Oct 15, 2003, adjusted for splits and dividends, served by the API under a key.

CNLPM price chart, 2003 to 2026

CNLPM adjusted close, Oct 15, 2003 to Jul 17, 2026$8.88$18.63$28.38$38.1320052010201520202025
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

CNLPM returns

Price return from the last close on or before the window start to Jul 17, 2026, on adjusted closes.

PeriodReturn
1 month+0.0%
3 months-2.9%
6 months-1.4%
Year to date-1.6%
1 year+0.2%
3 years+4.5%
5 years-10.9%
10 years+10.1%
Since Oct 15, 2003+217.8%
Compound annual growth, 22.8 years+5.2%

CNLPM records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
$38.34 on Jan 7, 2022
All time low close
$8.88 on May 14, 2004
52 week high
$36.41 on May 12, 2026
52 week low
$30.15 on Aug 19, 2025
Deepest drawdown
-35.0% from Jan 7, 2022 to Oct 5, 2023, not yet recovered
Best single session
+14.1% on Jan 7, 2009
Worst single session
-11.8% on Mar 23, 2004
Volatility, 1 year annualised
26.9%
Sessions closing higher, 1 year
14%
Growth of 1 since 2003
3.2×
Best calendar year
2009, +24%
Worst calendar year
2022, -16%

CNLPM price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2003 starts on Oct 15, 2003; 2026 runs to Jul 17, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$32.47$36.41$32.06$32.50+0.1%16.1K135
2025$30.19$34.29$30.15$32.47+7.6%36.3K250
2024$28.12$64.42$26.63$30.19+7.3%65K252
2023$31.30$32.17$23.94$28.12-10.1%35.4K250
2022$37.37$38.34$30.34$31.30-16.3%11.9K251
2021$36.81$38.28$36.06$37.37+1.5%31K252
2020$34.34$36.84$31.87$36.81+7.2%30K253
2019$31.52$34.69$29.23$34.34+8.9%13.3K252
2018$31.14$32.36$29.53$31.52+1.2%26.6K251
2017$29.52$31.14$26.72$31.14+5.5%53.4K251
2016$27.52$30.75$27.16$29.52+7.3%61.4K252
2015$26.90$28.02$25.75$27.52+5.1%49.6K252
2014$23.97$28.46$23.97$26.18+9.3%87K252
2013$23.35$26.63$22.57$23.97+2.6%53.7K252
2012$19.78$23.87$19.78$23.35+18.0%75.3K250
2011$17.32$20.82$16.86$19.78+14.2%92.1K252
2010$14.78$18.73$14.56$17.32+17.2%85.2K252
2009$11.96$15.00$11.96$14.78+23.5%45K252
2008$13.65$15.84$11.30$11.96-12.4%121.7K253
2007$13.85$15.08$13.16$13.65+5.3%40.7K251
2006$12.68$14.18$12.23$12.96+2.2%41.7K251
2005$11.17$12.95$11.17$12.68+13.6%40K252
2004$10.77$12.36$8.27$11.17+3.7%269.9K252
2003$10.23$11.16$10.23$10.77n/a10.9K54

CNLPM monthly closes, last 12 months

MonthMonth end closeChange
July 2026$32.50-1.4%
June 2026$32.980.0%
May 2026$32.98-2.2%
April 2026$33.72+2.9%
March 2026$32.77-1.6%
February 2026$33.29+0.4%
January 2026$33.16+2.1%
December 2025$32.47-2.1%
November 2025$33.16+0.4%
October 2025$33.04-3.7%
September 2025$34.29+9.7%
August 2025$31.27-3.6%

About the CNLPM data

Daily bars. 5,724 sessions from Oct 15, 2003 to Jul 17, 2026, one row per Other US listings trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Not stored for this listing yet. Minute history is captured forward from the day collection begins for a symbol and is never backfilled.

Time and currency. Session dates are Other US listings trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Oct 15, 2003, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/CNLPM/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

Nearby on Other US listings

  • CNLHN Connecticut Light & Power Co.
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  • CNLPL Connecticut Light & Power Co.
  • CNLTL Connecticut Light & Power Co.
  • CNLTN Connecticut Light & Power Co.
  • CNLTP Connecticut Light & Power Co.
  • CNO-PA CNO Financial Group, Inc.

Common questions

CNLPM share price history

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