NYSE · THG · stock

Hanover Insurance Group, INC. (THG) stock price history

Every NYSE trading session of Hanover Insurance Group, INC. from Oct 11, 1995 to Nov 11, 2026: 7,777 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.

THG adjusted close, 1995 to 2026

THGHanover Insurance Group, INC.
$248.53+39.4% over one year
200020052010201520202025
$250.21
All time high, 2026
$256.74
52 week high, $164.83 low
7,777
Daily sessions since 1995

Last updated Nov 11, 2026, the last stored session. Refreshes after each trading day. Full 1995 to 2026 series and minute bars.

THG key facts

  • Hanover Insurance Group, INC. (THG) closed at $248.53 on Nov 11, 2026 on NYSE.
  • THG's all time high close is $250.21, set on Nov 10, 2026; its all time low close is $4.32 on Oct 9, 2002.
  • THG's 52 week range is $164.83 to $256.74.
  • THG returned +39.4% over the year to Nov 11, 2026 and +119.7% over five years.
  • Over ten years THG returned +296%, +14.7% a year compounded.
  • THG's deepest drawdown was -90.1% from Dec 29, 2000 to Oct 9, 2002.
  • DataCedar holds 7,777 daily sessions of THG history from Oct 11, 1995 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

THG price chart, 1995 to 2026

THG adjusted close, Oct 11, 1995 to Nov 11, 2026$5.05$18.50$67.80$248.531995200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

THG returns

Price return from the last close on or before the window start to Nov 11, 2026, on adjusted closes.

PeriodReturn
1 month+13.3%
3 months+12.0%
6 months+31.5%
Year to date+36.3%
1 year+39.4%
3 years+133.7%
5 years+119.7%
10 years+295.6%
Since Oct 11, 1995+1,654%
Compound annual growth, 31.1 years+9.7%

THG records

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

All time high close
$250.21 on Nov 10, 2026
All time low close
$4.32 on Oct 9, 2002
52 week high
$256.74 on Nov 5, 2026
52 week low
$164.83 on Jan 13, 2026
Deepest drawdown
-90.1% from Dec 29, 2000 to Oct 9, 2002, recovered Jan 10, 2014
Best single session
+51.4% on Jan 9, 2003
Worst single session
-29.8% on Oct 3, 2002
Volatility, 1 year annualised
21.0%
Sessions closing higher, 1 year
55%
Growth of 1 since 1995
17.5×
Best calendar year
2003, +205%
Worst calendar year
2002, -77%

THG 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. 1995 starts on Oct 11, 1995; 2026 runs to Nov 11, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$179.97$256.74$164.83$248.53+37.4%69.1M217
2025$149.45$186.24$140.72$180.89+20.7%60.1M250
2024$114.58$160.11$114.05$149.92+30.6%44.2M252
2023$124.53$136.79$96.77$114.78-7.6%45.9M250
2022$118.61$140.66$112.13$124.24+5.4%43.9M251
2021$103.24$127.29$97.81$117.88+14.5%43.4M252
2020$117.90$124.30$64.92$102.94-12.3%64.6M253
2019$91.38$119.46$88.40$117.40+26.7%63.7M252
2018$84.47$103.22$81.30$92.63+10.1%51.5M251
2017$69.50$85.29$60.64$84.10+21.4%57M251
2016$60.06$70.01$56.05$69.27+14.4%58.5M251
2015$52.02$64.69$49.37$60.53+16.6%53M252
2014$42.15$53.23$37.54$51.89+22.4%54.5M252
2013$27.21$43.56$26.87$42.41+58.4%60M251
2012$23.81$28.13$22.71$26.78+14.5%59.7M248
2011$30.58$31.82$20.41$23.39-23.0%79.4M252
2010$28.35$31.19$25.59$30.37+7.5%76.3M252
2009$26.75$28.89$17.50$28.24+5.2%123.7M251
2008$28.07$33.90$18.34$26.84-4.9%103.7M246
2007$29.86$31.14$22.30$28.23-5.3%66.9M250
2006$25.49$33.03$24.71$29.80+17.6%77.2M249
2005$19.75$26.11$18.18$25.35+28.1%82.1M251
2004$18.60$23.10$14.68$19.79+6.7%100.3M252
2003$6.15$18.90$5.92$18.55+204.7%100.2M249
2002$26.87$30.63$4.24$6.09-77.3%118M251
2001$42.83$42.98$22.13$26.86-38.2%68.8M248
2000$33.19$44.48$20.92$43.43+30.9%51.5M252
1999$34.22$38.49$27.35$33.19-3.4%43.3M248
1998$29.58$44.64$22.76$34.37+16.3%43.7M249
1997$19.57$30.18$19.21$29.55+49.8%29M251
1996$15.63$20.20$14.49$19.72+25.0%23.5M242
1995$13.73$16.73$13.66$15.78n/a20.6M51

THG monthly closes, last 12 months

MonthMonth end closeChange
November 2026$248.53+2.7%
October 2026$242.09+13.1%
September 2026$214.12-5.3%
August 2026$226.11-2.8%
July 2026$232.63+8.6%
June 2026$214.12+15.6%
May 2026$185.30-0.8%
April 2026$186.78+8.3%
March 2026$172.51-3.5%
February 2026$178.77+3.7%
January 2026$172.35-4.7%
December 2025$180.89-1.0%

About the THG data

Daily bars. 7,777 sessions from Oct 11, 1995 to Nov 11, 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 Oct 23, 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 Oct 11, 1995, 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/nyse%3ATHG/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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