NYSE · NPWR · stock

Net Power Inc. (NPWR) stock price history

Every NYSE trading session of Net Power Inc. from Aug 6, 2021 to Sep 29, 2026: 1,292 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.

NPWR adjusted close, 2021 to 2026

NPWRNet Power Inc.
$1.51-52.2% over one year
20222023202420252026
$16.51
All time high, 2023
$5.20
52 week high, $1.35 low
1,292
Daily sessions since 2021

Last updated Sep 29, 2026, the last stored session. Refreshes after each trading day. Full 2021 to 2026 series and minute bars.

NPWR key facts

  • Net Power Inc. (NPWR) closed at $1.51 on Sep 29, 2026 on NYSE.
  • NPWR's all time high close is $16.51, set on Sep 15, 2023; its all time low close is $1.36 on Jul 29, 2026.
  • NPWR's 52 week range is $1.35 to $5.20.
  • NPWR returned -52.2% over the year to Sep 29, 2026 and -84.7% over five years.
  • Since Aug 6, 2021 NPWR returned -85%, -30.5% a year compounded.
  • NPWR's deepest drawdown was -91.8% from Sep 15, 2023 to Jul 29, 2026.
  • DataCedar holds 1,292 daily sessions of NPWR history from Aug 6, 2021 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

NPWR price chart, 2021 to 2026

NPWR adjusted close, Aug 6, 2021 to Sep 29, 2026$1.45$6.40$11.34$16.29202120222023202420252026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

NPWR returns

Price return from the last close on or before the window start to Sep 29, 2026, on adjusted closes.

PeriodReturn
1 month-17.5%
3 months-9.6%
6 months-3.2%
Year to date-34.6%
1 year-52.2%
3 years-90.0%
5 years-84.7%
10 yearsn/a
Since Aug 6, 2021-84.7%
Compound annual growth, 5.1 years-30.5%

NPWR records

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

All time high close
$16.51 on Sep 15, 2023
All time low close
$1.36 on Jul 29, 2026
52 week high
$5.20 on Oct 15, 2025
52 week low
$1.35 on Jul 29, 2026
Deepest drawdown
-91.8% from Sep 15, 2023 to Jul 29, 2026, not yet recovered
Best single session
+35.8% on Jun 6, 2025
Worst single session
-32.2% on Mar 11, 2025
Volatility, 1 year annualised
84.7%
Sessions closing higher, 1 year
43%
Best calendar year
2024, +5%
Worst calendar year
2025, -78%

NPWR 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. 2021 starts on Aug 6, 2021; 2026 runs to Sep 29, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$2.32$2.95$1.35$1.51-33.8%148.2M186
2025$10.68$11.83$1.48$2.28-78.5%354.7M250
2024$10.01$14.28$6.57$10.59+4.9%110.2M252
2023$10.18$17.62$8.25$10.10-0.7%71.7M250
2022$10.00$10.40$9.71$10.17+1.7%25.3M251
2021$9.90$10.75$9.69$10.00n/a6.2M103

NPWR monthly closes, last 12 months

MonthMonth end closeChange
September 2026$1.51-15.2%
August 2026$1.78+24.5%
July 2026$1.43-14.4%
June 2026$1.67-16.9%
May 2026$2.01+5.2%
April 2026$1.91+22.4%
March 2026$1.56-19.2%
February 2026$1.93-18.6%
January 2026$2.37+3.9%
December 2025$2.28-21.4%
November 2025$2.90-24.1%
October 2025$3.82+26.9%

About the NPWR data

Daily bars. 1,292 sessions from Aug 6, 2021 to Sep 29, 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 Aug 6, 2021, 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/NPWR/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

NPWR share price history

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