NYSE · RLI · stock

Rli Corp. (RLI) stock price history

Every NYSE trading session of Rli Corp. from Mar 17, 1980 to Sep 28, 2026: 11,728 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.

RLI adjusted close, 1980 to 2026

RLIRli Corp.
$55.98-6.8% over one year
1990200020102020
$80.96
All time high, 2024
$66.91
52 week high, $45.26 low
11,728
Daily sessions since 1980

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1980 to 2026 series and minute bars.

RLI key facts

  • Rli Corp. (RLI) closed at $55.98 on Sep 28, 2026 on NYSE.
  • RLI's all time high close is $80.96, set on Nov 26, 2024; its all time low close is $0.0408 on Mar 11, 1982.
  • RLI's 52 week range is $45.26 to $66.91.
  • RLI returned -6.8% over the year to Sep 28, 2026 and +38.3% over five years.
  • Over ten years RLI returned +138%, +9.0% a year compounded.
  • RLI's deepest drawdown was -62.4% from Apr 28, 1986 to Oct 27, 1987.
  • DataCedar holds 11,728 daily sessions of RLI history from Mar 17, 1980 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

RLI price chart, 1980 to 2026

RLI adjusted close, Mar 17, 1980 to Sep 28, 2026$0.0500$0.5832$6.80$79.3319801990200020102020
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

RLI returns

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

PeriodReturn
1 month-12.7%
3 months-2.7%
6 months+3.8%
Year to date-9.2%
1 year-6.8%
3 years-7.3%
5 years+38.3%
10 years+137.6%
Since Mar 17, 1980+96,490%
Compound annual growth, 46.5 years+15.9%

RLI records

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

All time high close
$80.96 on Nov 26, 2024
All time low close
$0.0408 on Mar 11, 1982
52 week high
$66.91 on Jul 28, 2026
52 week low
$45.26 on May 13, 2026
Deepest drawdown
-62.4% from Apr 28, 1986 to Oct 27, 1987, recovered Jan 14, 1992
Best single session
+20.3% on Oct 30, 1987
Worst single session
-18.4% on Mar 11, 1982
Volatility, 1 year annualised
26.5%
Sessions closing higher, 1 year
52%
Growth of 1 since 1980
966×
Best calendar year
1985, +130%
Worst calendar year
1981, -36%

RLI 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. 1980 starts on Mar 17, 1980; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$60.68$66.91$45.26$55.98-8.4%152.5M185
2025$75.80$76.13$53.30$61.11-19.1%142.8M250
2024$59.42$81.59$58.88$75.57+27.6%78.8M252
2023$57.38$65.21$53.73$59.24+3.8%109.4M250
2022$46.04$58.58$39.26$57.09+24.8%80.7M251
2021$41.50$46.87$37.91$45.74+10.7%62.7M252
2020$35.11$43.89$25.74$41.33+18.1%110M253
2019$25.94$38.59$24.58$35.00+33.2%88.5M252
2018$22.72$29.97$21.71$26.28+16.7%76.6M251
2017$22.63$22.86$18.08$22.52+0.4%80.3M251
2016$20.70$24.53$18.63$22.43+6.8%100.2M252
2015$16.15$21.47$15.12$21.01+31.0%70.8M252
2014$14.64$16.46$12.03$16.04+9.6%66M252
2013$9.43$15.34$9.26$14.64+57.8%70M252
2012$9.73$9.81$8.16$9.28-2.6%86.9M250
2011$6.33$9.74$6.07$9.53+51.9%101.5M252
2010$5.56$6.52$5.14$6.28+13.8%104.7M252
2009$6.22$6.28$4.31$5.51-11.0%130.7M252
2008$5.62$7.25$4.44$6.20+9.6%185.5M253
2007$5.56$6.07$4.98$5.65+2.2%172.3M251
2006$4.84$5.63$4.36$5.53+14.8%123.9M251
2005$3.97$5.44$3.81$4.82+21.6%103.5M252
2004$3.53$4.15$3.11$3.96+12.5%73.9M252
2003$2.61$3.59$2.28$3.52+35.9%72.1M252
2002$2.06$2.80$2.04$2.59+25.6%59.9M252
2001$2.02$2.08$1.77$2.06+2.2%28.2M248
2000$1.50$2.04$1.17$2.02+33.6%30M252
1999$1.43$1.71$1.22$1.51+4.0%30.2M252
1998$1.72$1.98$1.34$1.45-15.4%27.8M252
1997$1.13$1.73$1.04$1.72+51.6%53.1M253
1996$0.8403$1.14$0.7485$1.13+36.3%26.7M254
1995$0.5300$0.8320$0.5300$0.8320+56.0%19.4M252
1994$0.6712$0.7029$0.5132$0.5332-20.6%22.2M252
1993$0.6140$0.7101$0.6044$0.6712+9.3%23.1M253
1992$0.3938$0.6388$0.3877$0.6140+53.6%15.7M254
1991$0.3350$0.3999$0.2674$0.3999+17.3%24.3M253
1990$0.1926$0.3470$0.1898$0.3409+77.0%17.5M253
1989$0.1651$0.2128$0.1540$0.1926+16.7%18.6M252
1988$0.2031$0.2604$0.1543$0.1651-17.7%21.4M253
1987$0.2806$0.4132$0.1445$0.2005-28.6%59.5M253
1986$0.2585$0.4115$0.2415$0.2806+8.6%48.1M253
1985$0.1122$0.2585$0.1112$0.2585+130.3%73.2M252
1984$0.0826$0.1143$0.0826$0.1122+35.8%10.4M253
1983$0.0867$0.1245$0.0755$0.0826-4.7%25.1M253
1982$0.0571$0.0888$0.0408$0.0867+51.8%18.4M253
1981$0.0898$0.0914$0.0480$0.0571-36.4%15.8M253
1980$0.0580$0.0988$0.0490$0.0898n/a45.3M201

RLI monthly closes, last 12 months

MonthMonth end closeChange
September 2026$55.98-11.8%
August 2026$63.47+3.6%
July 2026$61.24+3.7%
June 2026$59.07+18.0%
May 2026$50.04+0.9%
April 2026$49.58-9.2%
March 2026$54.63-8.2%
February 2026$59.53+6.7%
January 2026$55.81-8.7%
December 2025$61.11+3.8%
November 2025$58.90+8.2%
October 2025$54.42-9.6%

About the RLI data

Daily bars. 11,728 sessions from Mar 17, 1980 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 Mar 17, 1980, 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/RLI/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

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