Nasdaq · ASPI · stock

ASP Isotopes Inc. (ASPI) stock price history

Every Nasdaq trading session of ASP Isotopes Inc. from Nov 10, 2022 to Sep 28, 2026: 972 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.

ASPI adjusted close, 2022 to 2026

ASPIASP Isotopes Inc.
$2.60-75.4% over one year
2023202420252026
$14.05
All time high, 2025
$14.49
52 week high, $2.51 low
972
Daily sessions since 2022

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2022 to 2026 series and minute bars.

ASPI key facts

  • ASP Isotopes Inc. (ASPI) closed at $2.60 on Sep 28, 2026 on Nasdaq.
  • ASPI's all time high close is $14.05, set on Oct 14, 2025; its all time low close is $0.3200 on May 17, 2023.
  • ASPI's 52 week range is $2.51 to $14.49.
  • ASPI returned -75.4% over the year to Sep 28, 2026.
  • Since Nov 10, 2022 ASPI returned -3%, -0.7% a year compounded.
  • ASPI's deepest drawdown was -88.6% from Nov 11, 2022 to May 17, 2023.
  • DataCedar holds 972 daily sessions of ASPI history from Nov 10, 2022 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

ASPI price chart, 2022 to 2026

ASPI adjusted close, Nov 10, 2022 to Sep 28, 2026$0.3300$1.13$3.88$13.3220222023202420252026
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

ASPI returns

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

PeriodReturn
1 month-33.0%
3 months-57.9%
6 months-40.5%
Year to date-52.0%
1 year-75.4%
3 years+154.9%
5 yearsn/a
10 yearsn/a
Since Nov 10, 2022-2.6%
Compound annual growth, 3.9 years-0.7%

ASPI records

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

All time high close
$14.05 on Oct 14, 2025
All time low close
$0.3200 on May 17, 2023
52 week high
$14.49 on Oct 14, 2025
52 week low
$2.51 on Sep 28, 2026
Deepest drawdown
-88.6% from Nov 11, 2022 to May 17, 2023, recovered Feb 1, 2024
Best single session
+34.4% on Jul 28, 2023
Worst single session
-28.9% on May 17, 2023
Volatility, 1 year annualised
104.1%
Sessions closing higher, 1 year
44%
Best calendar year
2024, +153%
Worst calendar year
2023, +13%

ASPI 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. 2022 starts on Nov 10, 2022; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$5.48$8.60$2.51$2.60-51.4%883.6M185
2025$4.70$14.49$3.65$5.35+18.1%1.1B250
2024$1.81$9.33$1.65$4.53+153.1%479M252
2023$1.69$2.20$0.2800$1.79+13.3%57.7M250
2022$3.22$3.75$1.25$1.58n/a9.6M35

ASPI monthly closes, last 12 months

MonthMonth end closeChange
September 2026$2.60-35.3%
August 2026$4.02+0.5%
July 2026$4.00-35.7%
June 2026$6.22-20.1%
May 2026$7.78+47.9%
April 2026$5.26+19.0%
March 2026$4.42-17.2%
February 2026$5.34-15.8%
January 2026$6.34+18.5%
December 2025$5.35-14.0%
November 2025$6.22-38.6%
October 2025$10.13+5.3%

About the ASPI data

Daily bars. 972 sessions from Nov 10, 2022 to Sep 28, 2026, one row per Nasdaq 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 Nasdaq 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 Nov 10, 2022, 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/ASPI/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

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