Nasdaq · SLP · stock
Simulations Plus, Inc. (SLP) stock price history
Every Nasdaq trading session of Simulations Plus, Inc. from Jun 18, 1997 to Sep 28, 2026: 7,365 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.
SLP adjusted close, 1997 to 2026
- $87.82
- All time high, 2021
- $21.01
- 52 week high, $11.09 low
- 7,365
- Daily sessions since 1997
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1997 to 2026 series and minute bars.
SLP key facts
- Simulations Plus, Inc. (SLP) closed at $18.48 on Sep 28, 2026 on Nasdaq.
- SLP's all time high close is $87.82, set on Feb 9, 2021; its all time low close is $0.1462 on Nov 10, 1998.
- SLP's 52 week range is $11.09 to $21.01.
- SLP returned +24.1% over the year to Sep 28, 2026 and -51.1% over five years.
- Over ten years SLP returned +126%, +8.5% a year compounded.
- SLP's deepest drawdown was -90.3% from Feb 11, 1998 to Nov 10, 1998.
- DataCedar holds 7,365 daily sessions of SLP history from Jun 18, 1997 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
SLP price chart, 1997 to 2026
SLP returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +0.5% |
| 3 months | +1.5% |
| 6 months | +61.8% |
| Year to date | +1.4% |
| 1 year | +24.1% |
| 3 years | -54.7% |
| 5 years | -51.1% |
| 10 years | +126.1% |
| Since Jun 18, 1997 | +1,623% |
| Compound annual growth, 29.3 years | +10.2% |
SLP records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $87.82 on Feb 9, 2021
- All time low close
- $0.1462 on Nov 10, 1998
- 52 week high
- $21.01 on Jan 23, 2026
- 52 week low
- $11.09 on Mar 30, 2026
- Deepest drawdown
- -90.3% from Feb 11, 1998 to Nov 10, 1998, recovered Dec 14, 2006
- Best single session
- +150.0% on Sep 1, 1998
- Worst single session
- -45.5% on Aug 31, 1998
- Volatility, 1 year annualised
- 46.3%
- Sessions closing higher, 1 year
- 53%
- Growth of 1 since 1997
- 17.2×
- Best calendar year
- 2002, +182%
- Worst calendar year
- 1998, -81%
SLP 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. 1997 starts on Jun 18, 1997; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $18.39 | $21.01 | $11.09 | $18.48 | +1.4% | 65.6M | 185 |
| 2025 | $28.26 | $37.67 | $12.39 | $18.23 | -34.6% | 110.4M | 250 |
| 2024 | $44.61 | $51.14 | $27.07 | $27.89 | -37.4% | 36M | 252 |
| 2023 | $36.99 | $52.37 | $32.25 | $44.56 | +23.1% | 27M | 250 |
| 2022 | $47.36 | $66.80 | $34.69 | $36.20 | -22.3% | 30.4M | 251 |
| 2021 | $71.55 | $89.19 | $36.28 | $46.57 | -33.9% | 42.7M | 252 |
| 2020 | $27.81 | $76.28 | $25.40 | $70.49 | +148.6% | 53.5M | 253 |
| 2019 | $19.23 | $40.84 | $17.65 | $28.35 | +47.4% | 24.8M | 252 |
| 2018 | $15.21 | $23.00 | $13.64 | $19.23 | +25.3% | 15.8M | 251 |
| 2017 | $9.10 | $16.58 | $8.27 | $15.35 | +69.5% | 13.5M | 251 |
| 2016 | $8.91 | $10.91 | $6.25 | $9.06 | -0.4% | 13.9M | 252 |
| 2015 | $6.10 | $9.37 | $5.00 | $9.10 | +52.8% | 8.6M | 252 |
| 2014 | $4.31 | $6.32 | $4.18 | $5.95 | +36.7% | 5.4M | 252 |
| 2013 | $3.68 | $4.80 | $3.22 | $4.36 | +17.5% | 4.7M | 252 |
| 2012 | $2.32 | $3.95 | $2.28 | $3.71 | +58.9% | 5.1M | 250 |
| 2011 | $2.13 | $2.92 | $1.93 | $2.33 | +11.2% | 6.1M | 252 |
| 2010 | $1.07 | $2.73 | $1.01 | $2.10 | +94.9% | 9.2M | 252 |
| 2009 | $0.7175 | $1.60 | $0.6161 | $1.08 | +50.0% | 5.2M | 252 |
| 2008 | $2.98 | $3.13 | $0.6785 | $0.7175 | -75.9% | 15.2M | 253 |
| 2007 | $2.20 | $6.73 | $1.95 | $2.98 | +31.7% | 49.7M | 251 |
| 2006 | $0.9904 | $2.30 | $0.6726 | $2.26 | +123.9% | 10.7M | 251 |
| 2005 | $1.08 | $1.31 | $0.5556 | $1.01 | -6.8% | 4.4M | 252 |
| 2004 | $0.8832 | $1.47 | $0.6258 | $1.08 | +23.6% | 8.4M | 252 |
| 2003 | $0.4679 | $1.17 | $0.3899 | $0.8773 | +87.5% | 7.8M | 252 |
| 2002 | $0.1657 | $0.5849 | $0.1657 | $0.4679 | +182.4% | 3.1M | 252 |
| 2001 | $0.3899 | $0.4874 | $0.1657 | $0.1657 | -57.5% | 3.2M | 248 |
| 2000 | $0.3899 | $1.12 | $0.2071 | $0.3899 | +6.7% | 6.8M | 252 |
| 1999 | $0.1950 | $1.07 | $0.1462 | $0.3656 | +130.8% | 7.5M | 252 |
| 1998 | $0.8286 | $1.66 | $0.1097 | $0.1584 | -80.9% | 12.8M | 252 |
| 1997 | $1.12 | $1.19 | $0.8286 | $0.8286 | n/a | 9.5M | 137 |
SLP monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $18.48 | +0.4% |
| August 2026 | $18.40 | +0.9% |
| July 2026 | $18.23 | -0.4% |
| June 2026 | $18.31 | +7.0% |
| May 2026 | $17.11 | +20.7% |
| April 2026 | $14.17 | +19.9% |
| March 2026 | $11.82 | -3.4% |
| February 2026 | $12.23 | -27.6% |
| January 2026 | $16.89 | -7.4% |
| December 2025 | $18.23 | +7.2% |
| November 2025 | $17.00 | -1.0% |
| October 2025 | $17.18 | +14.0% |
About the SLP data
Daily bars. 7,365 sessions from Jun 18, 1997 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 25, 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 Jun 18, 1997, 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/SLP/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
SLP share price history
