NYSE · TXNM · stock

Txnm Energy INC (TXNM) stock price history

Every NYSE trading session of Txnm Energy INC from Feb 21, 1973 to Sep 28, 2026: 13,514 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

TXNM adjusted close, 1973 to 2026

TXNMTxnm Energy INC
$58.27+5.1% over one year
19801990200020102020
$59.48
All time high, 2026
$59.53
52 week high, $55.30 low
13,514
Daily sessions since 1973

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1973 to 2026 series and minute bars.

TXNM key facts

  • Txnm Energy INC (TXNM) closed at $58.27 on Sep 28, 2026 on NYSE.
  • TXNM's all time high close is $59.48, set on May 20, 2026; its all time low close is $1.66 on Sep 9, 1974.
  • TXNM's 52 week range is $55.30 to $59.53.
  • TXNM returned +5.1% over the year to Sep 28, 2026 and +37.4% over five years.
  • Over ten years TXNM returned +130%, +8.7% a year compounded.
  • TXNM's deepest drawdown was -80.0% from Apr 25, 2007 to Mar 6, 2009.
  • DataCedar holds 13,514 daily sessions of TXNM history from Feb 21, 1973 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

TXNM price chart, 1973 to 2026

TXNM adjusted close, Feb 21, 1973 to Sep 28, 2026$1.77$5.70$18.32$58.8919801990200020102020
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

TXNM returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month+1.1%
3 months+2.0%
6 months+0.6%
Year to date+0.3%
1 year+5.1%
3 years+44.5%
5 years+37.4%
10 years+129.8%
Since Feb 21, 1973+1,528%
Compound annual growth, 53.6 years+5.3%

TXNM records

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

All time high close
$59.48 on May 20, 2026
All time low close
$1.66 on Sep 9, 1974
52 week high
$59.53 on May 27, 2026
52 week low
$55.30 on Oct 1, 2025
Deepest drawdown
-80.0% from Apr 25, 2007 to Mar 6, 2009, recovered Feb 28, 2014
Best single session
+20.5% on Jul 11, 1990
Worst single session
-24.8% on Feb 11, 2008
Volatility, 1 year annualised
5.3%
Sessions closing higher, 1 year
51%
Growth of 1 since 1973
16.3×
Best calendar year
2000, +72%
Worst calendar year
2008, -50%

TXNM 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. 1973 starts on Feb 21, 1973; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$58.16$59.53$55.64$58.27+0.4%250.4M185
2025$47.24$58.28$43.71$58.04+23.4%279.5M250
2024$35.51$48.08$32.17$47.02+23.0%230.8M252
2023$43.53$44.37$38.08$38.23-12.0%146.5M250
2022$39.51$43.89$37.99$43.43+10.2%164.4M251
2021$40.84$43.20$37.88$39.41-3.5%207.1M252
2020$41.71$46.26$22.31$40.83-1.7%235M253
2019$32.71$43.17$31.74$41.55+26.5%97.6M252
2018$31.53$36.25$26.44$32.85+4.4%130.4M251
2017$26.04$35.76$25.46$31.45+21.0%148.5M251
2016$22.58$27.04$21.62$26.00+15.3%148.1M252
2015$21.33$23.03$17.74$22.54+6.1%151.4M252
2014$16.80$22.65$16.41$21.24+26.3%111.2M252
2013$14.13$16.99$13.64$16.82+21.0%114.9M252
2012$12.16$15.28$11.47$13.90+15.8%117.7M250
2011$8.38$12.63$8.30$12.01+44.6%212.7M252
2010$7.80$8.72$6.75$8.31+7.3%176.5M252
2009$5.86$8.01$3.50$7.74+31.8%223.2M252
2008$11.82$11.97$4.39$5.87-50.4%386M253
2007$16.72$18.57$11.51$11.84-28.7%191.4M251
2006$12.68$17.13$11.72$16.62+31.2%130.4M251
2005$12.85$15.61$11.97$12.66-0.3%114.4M252
2004$9.17$13.11$9.15$12.70+39.1%66.6M252
2003$7.27$9.50$5.99$9.13+22.5%74.8M252
2002$8.47$9.35$5.29$7.45-11.7%85.4M252
2001$7.83$11.24$6.71$8.44+7.2%92.2M248
2000$4.60$8.31$4.16$7.87+72.3%84.9M252
1999$5.48$5.92$4.04$4.57-17.1%66.3M252
1998$6.16$6.51$4.69$5.51-10.8%72.1M252
1997$4.92$6.18$4.00$6.18+24.9%69.4M253
1996$4.36$5.11$4.30$4.95+12.8%43.1M254
1995$3.21$4.55$3.02$4.39+36.4%44.7M252
1994$2.80$3.39$2.74$3.22+14.9%40.5M252
1993$3.05$3.46$2.43$2.80-9.1%55.6M253
1992$2.40$3.52$2.34$3.08+26.9%29.3M254
1991$2.09$2.90$1.90$2.43+16.4%29.3M253
1990$3.58$3.86$1.99$2.09-42.7%42.8M253
1989$3.05$3.95$2.68$3.64+20.5%62.5M252
1988$4.12$4.85$2.66$3.02-25.6%120.7M253
1987$6.56$7.90$3.77$4.07-37.6%77.6M253
1986$5.32$7.33$5.07$6.51+21.9%58.5M253
1985$3.94$5.57$3.90$5.34+35.0%39.3M252
1984$4.00$4.20$3.07$3.96-1.0%25.1M253
1983$4.10$4.67$3.59$4.00-2.4%21.6M253
1982$3.74$4.43$3.41$4.10+9.5%17.3M253
1981$3.11$3.92$3.04$3.74+20.3%9.9M253
1980$2.88$3.43$2.40$3.11+8.2%6.7M253
1979$3.13$3.39$2.74$2.88-8.2%4.7M253
1978$3.39$3.53$2.90$3.13-7.6%4.2M252
1977$3.78$3.78$3.15$3.39-10.4%2.6M252
1976$2.98$3.84$2.78$3.78+28.9%3.3M253
1975$1.79$3.35$1.79$2.94+65.6%2M253
1974$2.86$3.07$1.64$1.77-37.9%1.2M253
1973$3.50$3.58$2.48$2.86n/a946.4K218

TXNM monthly closes, last 12 months

MonthMonth end closeChange
September 2026$58.27+1.1%
August 2026$57.61+0.2%
July 2026$57.50+1.3%
June 2026$56.78-4.1%
May 2026$59.21+0.3%
April 2026$59.06+1.8%
March 2026$58.04-0.9%
February 2026$58.60+0.2%
January 2026$58.50+0.8%
December 2025$58.04+0.7%
November 2025$57.62+2.9%
October 2025$55.99+1.2%

About the TXNM data

Daily bars. 13,514 sessions from Feb 21, 1973 to Sep 28, 2026, one row per NYSE 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. Stored from Jul 13, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are NYSE 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 Feb 21, 1973, 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/TXNM/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

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