NYSE · NI · stock
Nisource INC. (NI) stock price history
Every NYSE trading session of Nisource 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.
NI adjusted close, 1973 to 2026
- $49.08
- All time high, 2026
- $49.21
- 52 week high, $38.95 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.
NI key facts
- Nisource INC. (NI) closed at $39.10 on Sep 28, 2026 on NYSE.
- NI's all time high close is $49.08, set on Jun 26, 2026; its all time low close is $0.3106 on Dec 15, 1987.
- NI's 52 week range is $38.95 to $49.21.
- NI returned -6.3% over the year to Sep 28, 2026 and +91.7% over five years.
- Over ten years NI returned +117%, +8.0% a year compounded.
- NI's deepest drawdown was -65.7% from May 18, 2007 to Mar 5, 2009.
- DataCedar holds 13,514 daily sessions of NI history from Feb 21, 1973 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
NI price chart, 1973 to 2026
NI returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -3.6% |
| 3 months | -20.3% |
| 6 months | -14.4% |
| Year to date | -5.8% |
| 1 year | -6.3% |
| 3 years | +73.3% |
| 5 years | +91.7% |
| 10 years | +116.6% |
| Since Feb 21, 1973 | +4,964% |
| Compound annual growth, 53.6 years | +7.6% |
NI records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $49.08 on Jun 26, 2026
- All time low close
- $0.3106 on Dec 15, 1987
- 52 week high
- $49.21 on Jun 29, 2026
- 52 week low
- $38.95 on Sep 24, 2026
- Deepest drawdown
- -65.7% from May 18, 2007 to Mar 5, 2009, recovered May 10, 2011
- Best single session
- +17.3% on Mar 17, 2020
- Worst single session
- -16.8% on Mar 16, 2020
- Volatility, 1 year annualised
- 17.6%
- Sessions closing higher, 1 year
- 52%
- Growth of 1 since 1973
- 50.6×
- Best calendar year
- 2000, +82%
- Worst calendar year
- 1999, -39%
NI 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.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $41.22 | $49.21 | $38.95 | $39.10 | -5.1% | 866.3M | 185 |
| 2025 | $35.50 | $44.00 | $34.08 | $41.22 | +16.8% | 1.1B | 250 |
| 2024 | $24.41 | $37.01 | $23.20 | $35.28 | +43.5% | 1B | 252 |
| 2023 | $24.54 | $26.31 | $20.96 | $24.59 | +0.5% | 1.1B | 250 |
| 2022 | $23.83 | $28.36 | $21.03 | $24.47 | +2.7% | 1.2B | 251 |
| 2021 | $19.10 | $24.04 | $17.57 | $23.84 | +24.8% | 933.2M | 252 |
| 2020 | $22.52 | $24.73 | $15.88 | $19.11 | -14.9% | 846.5M | 253 |
| 2019 | $19.81 | $24.55 | $19.34 | $22.45 | +13.0% | 775.8M | 252 |
| 2018 | $19.46 | $21.85 | $17.18 | $19.86 | +1.9% | 865.9M | 251 |
| 2017 | $16.36 | $21.07 | $15.97 | $19.48 | +19.3% | 646.6M | 251 |
| 2016 | $13.93 | $19.60 | $13.67 | $16.33 | +16.7% | 729.9M | 252 |
| 2015 | $11.65 | $14.44 | $11.26 | $14.00 | +20.5% | 1.1B | 252 |
| 2014 | $8.75 | $12.30 | $8.56 | $11.62 | +32.6% | 1.3B | 252 |
| 2013 | $6.48 | $8.92 | $6.41 | $8.76 | +36.5% | 1.3B | 252 |
| 2012 | $5.98 | $6.68 | $5.54 | $6.42 | +8.6% | 1.7B | 250 |
| 2011 | $4.20 | $5.95 | $4.20 | $5.91 | +41.4% | 2B | 252 |
| 2010 | $3.49 | $4.22 | $3.24 | $4.18 | +21.3% | 1.8B | 252 |
| 2009 | $2.28 | $3.55 | $1.65 | $3.45 | +51.4% | 2.1B | 252 |
| 2008 | $3.67 | $3.94 | $2.14 | $2.28 | -38.6% | 1.7B | 253 |
| 2007 | $4.53 | $4.88 | $3.41 | $3.71 | -18.3% | 1.2B | 251 |
| 2006 | $3.79 | $4.67 | $3.56 | $4.53 | +20.5% | 787.4M | 251 |
| 2005 | $3.97 | $4.51 | $3.69 | $3.76 | -4.7% | 656.3M | 252 |
| 2004 | $3.62 | $3.96 | $3.33 | $3.95 | +8.4% | 682.4M | 252 |
| 2003 | $3.14 | $3.65 | $2.61 | $3.64 | +16.1% | 745.3M | 252 |
| 2002 | $3.42 | $3.80 | $2.24 | $3.14 | -8.0% | 612.9M | 252 |
| 2001 | $4.33 | $4.66 | $2.70 | $3.41 | -21.6% | 588.6M | 248 |
| 2000 | $2.39 | $4.46 | $1.73 | $4.35 | +81.5% | 553.3M | 252 |
| 1999 | $3.92 | $3.98 | $2.20 | $2.40 | -38.8% | 216.8M | 252 |
| 1998 | $3.07 | $4.31 | $3.07 | $3.92 | +27.5% | 183.4M | 252 |
| 1997 | $2.36 | $3.10 | $2.29 | $3.07 | +30.4% | 188.2M | 253 |
| 1996 | $2.17 | $2.37 | $2.05 | $2.36 | +8.4% | 189.3M | 254 |
| 1995 | $1.61 | $2.19 | $1.59 | $2.17 | +34.8% | 170.5M | 252 |
| 1994 | $1.71 | $1.72 | $1.40 | $1.61 | -5.0% | 211.6M | 252 |
| 1993 | $1.31 | $1.78 | $1.29 | $1.70 | +29.5% | 197.9M | 253 |
| 1992 | $1.21 | $1.31 | $1.07 | $1.31 | +8.2% | 231.5M | 254 |
| 1991 | $0.8409 | $1.27 | $0.8242 | $1.21 | +44.1% | 257.6M | 253 |
| 1990 | $0.8024 | $0.8576 | $0.6916 | $0.8409 | +3.4% | 164M | 253 |
| 1989 | $0.5367 | $0.8234 | $0.5300 | $0.8129 | +47.4% | 276M | 252 |
| 1988 | $0.3294 | $0.5615 | $0.3247 | $0.5516 | +72.4% | 248.4M | 253 |
| 1987 | $0.4308 | $0.4817 | $0.2964 | $0.3200 | -26.5% | 331.1M | 253 |
| 1986 | $0.3659 | $0.5002 | $0.3474 | $0.4354 | +19.0% | 290.7M | 253 |
| 1985 | $0.3765 | $0.4460 | $0.3011 | $0.3659 | -3.8% | 514.4M | 252 |
| 1984 | $0.4609 | $0.4767 | $0.3522 | $0.3806 | -17.4% | 303.1M | 253 |
| 1983 | $0.3979 | $0.4885 | $0.3782 | $0.4609 | +15.8% | 224.8M | 253 |
| 1982 | $0.3467 | $0.4373 | $0.3230 | $0.3979 | +14.8% | 168.9M | 253 |
| 1981 | $0.3624 | $0.3900 | $0.3191 | $0.3467 | -4.3% | 68.5M | 253 |
| 1980 | $0.4334 | $0.4570 | $0.3152 | $0.3624 | -16.4% | 49.8M | 253 |
| 1979 | $0.4964 | $0.5318 | $0.4097 | $0.4334 | -12.7% | 40.2M | 253 |
| 1978 | $0.6028 | $0.6067 | $0.4806 | $0.4964 | -17.6% | 26M | 252 |
| 1977 | $0.6264 | $0.6697 | $0.5397 | $0.6028 | -3.8% | 19.5M | 252 |
| 1976 | $0.5634 | $0.6303 | $0.5043 | $0.6264 | +11.2% | 25.1M | 253 |
| 1975 | $0.4452 | $0.5831 | $0.4334 | $0.5634 | +26.5% | 12.7M | 253 |
| 1974 | $0.5712 | $0.6028 | $0.3703 | $0.4452 | -22.1% | 11.9M | 253 |
| 1973 | $0.7722 | $0.7722 | $0.4925 | $0.5712 | n/a | 12.3M | 218 |
NI monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $39.10 | -4.4% |
| August 2026 | $40.92 | -7.9% |
| July 2026 | $44.43 | -6.6% |
| June 2026 | $47.55 | +2.9% |
| May 2026 | $46.22 | -4.3% |
| April 2026 | $48.28 | +4.1% |
| March 2026 | $46.37 | -1.4% |
| February 2026 | $47.01 | +7.5% |
| January 2026 | $43.71 | +6.1% |
| December 2025 | $41.22 | -5.4% |
| November 2025 | $43.56 | +4.8% |
| October 2025 | $41.56 | -2.1% |
About the NI 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/NI/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on NYSE
Common questions
NI share price history
