Nasdaq · ASYS · stock
Amtech Systems INC (ASYS) stock price history
Every Nasdaq trading session of Amtech Systems INC from Aug 9, 1983 to Sep 28, 2026: 10,869 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.
ASYS adjusted close, 1983 to 2026
- $29.07
- All time high, 2011
- $25.71
- 52 week high, $6.75 low
- 10,869
- Daily sessions since 1983
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1983 to 2026 series and minute bars.
ASYS key facts
- Amtech Systems INC (ASYS) closed at $15.85 on Sep 28, 2026 on Nasdaq.
- ASYS's all time high close is $29.07, set on Jan 12, 2011; its all time low close is $0.7500 on Dec 15, 1992.
- ASYS's 52 week range is $6.75 to $25.71.
- ASYS returned +67.9% over the year to Sep 28, 2026 and +36.6% over five years.
- Over ten years ASYS returned +220%, +12.3% a year compounded.
- ASYS's deepest drawdown was -96.3% from Feb 29, 1984 to Dec 15, 1992.
- DataCedar holds 10,869 daily sessions of ASYS history from Aug 9, 1983 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
ASYS price chart, 1983 to 2026
ASYS returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +5.2% |
| 3 months | -18.9% |
| 6 months | +38.4% |
| Year to date | +25.4% |
| 1 year | +67.9% |
| 3 years | +108.0% |
| 5 years | +36.6% |
| 10 years | +219.6% |
| Since Aug 9, 1983 | +58.5% |
| Compound annual growth, 43.1 years | +1.1% |
ASYS records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $29.07 on Jan 12, 2011
- All time low close
- $0.7500 on Dec 15, 1992
- 52 week high
- $25.71 on Jun 12, 2026
- 52 week low
- $6.75 on Nov 21, 2025
- Deepest drawdown
- -96.3% from Feb 29, 1984 to Dec 15, 1992, recovered Aug 25, 2000
- Best single session
- +128.6% on Aug 16, 2000
- Worst single session
- -50.0% on Sep 12, 1984
- Volatility, 1 year annualised
- 89.6%
- Sessions closing higher, 1 year
- 53%
- Best calendar year
- 1999, +300%
- Worst calendar year
- 1990, -79%
ASYS 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. 1983 starts on Aug 9, 1983; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $12.69 | $25.71 | $10.02 | $15.85 | +26.3% | 68.8M | 185 |
| 2025 | $5.39 | $13.26 | $3.20 | $12.55 | +130.3% | 33.3M | 250 |
| 2024 | $4.25 | $6.96 | $3.37 | $5.45 | +29.8% | 12.7M | 252 |
| 2023 | $7.84 | $11.98 | $3.59 | $4.20 | -44.7% | 13.7M | 250 |
| 2022 | $10.01 | $13.45 | $6.66 | $7.60 | -23.1% | 10.7M | 251 |
| 2021 | $6.44 | $15.78 | $6.25 | $9.88 | +54.9% | 37M | 252 |
| 2020 | $7.10 | $7.96 | $3.55 | $6.38 | -10.9% | 13.5M | 253 |
| 2019 | $4.42 | $7.21 | $4.35 | $7.16 | +58.1% | 13.7M | 252 |
| 2018 | $10.18 | $11.53 | $4.03 | $4.53 | -55.0% | 47.8M | 251 |
| 2017 | $4.29 | $15.45 | $3.99 | $10.07 | +136.9% | 38.4M | 251 |
| 2016 | $6.25 | $7.83 | $4.00 | $4.25 | -32.1% | 5.6M | 252 |
| 2015 | $10.30 | $12.93 | $4.12 | $6.26 | -38.6% | 17.6M | 252 |
| 2014 | $6.87 | $13.74 | $6.87 | $10.20 | +46.6% | 11.9M | 252 |
| 2013 | $3.26 | $9.21 | $3.21 | $6.96 | +116.1% | 11.3M | 252 |
| 2012 | $8.81 | $11.60 | $2.90 | $3.22 | -62.2% | 25.1M | 250 |
| 2011 | $25.37 | $30.80 | $7.12 | $8.51 | -66.2% | 76.8M | 252 |
| 2010 | $10.95 | $27.19 | $8.01 | $25.15 | +127.2% | 43M | 252 |
| 2009 | $3.69 | $11.44 | $2.62 | $11.07 | +200.0% | 11.4M | 252 |
| 2008 | $13.09 | $13.80 | $2.25 | $3.69 | -71.6% | 23.8M | 253 |
| 2007 | $7.70 | $17.74 | $6.65 | $12.99 | +69.8% | 31.1M | 251 |
| 2006 | $8.35 | $10.31 | $5.95 | $7.65 | -1.5% | 4.6M | 251 |
| 2005 | $4.15 | $9.05 | $2.62 | $7.77 | +85.0% | 6.4M | 252 |
| 2004 | $5.62 | $6.61 | $3.76 | $4.20 | -27.1% | 1.7M | 252 |
| 2003 | $3.17 | $7.89 | $2.90 | $5.76 | +81.7% | 2M | 252 |
| 2002 | $7.16 | $7.35 | $2.75 | $3.17 | -55.7% | 1.9M | 252 |
| 2001 | $8.00 | $14.50 | $4.06 | $7.16 | -10.5% | 14.4M | 248 |
| 2000 | $5.06 | $26.50 | $2.00 | $8.00 | +60.0% | 65.6M | 252 |
| 1999 | $1.25 | $5.75 | $0.9375 | $5.00 | +300.0% | 4.5M | 252 |
| 1998 | $5.50 | $6.00 | $1.00 | $1.25 | -73.7% | 3.4M | 252 |
| 1997 | $6.25 | $8.00 | $4.00 | $4.75 | -24.0% | 2.3M | 253 |
| 1996 | $8.00 | $11.25 | $6.00 | $6.25 | -24.2% | 1.7M | 254 |
| 1995 | $4.25 | $9.63 | $4.00 | $8.25 | +83.3% | 3.9M | 252 |
| 1994 | $3.00 | $5.00 | $2.63 | $4.50 | +50.0% | 1.1M | 252 |
| 1993 | $1.00 | $4.13 | $1.00 | $3.00 | +200.0% | 936K | 253 |
| 1992 | $3.00 | $4.00 | $0.7500 | $1.00 | -66.7% | 265.3K | 254 |
| 1991 | $1.75 | $4.50 | $1.75 | $3.00 | +71.4% | 259.6K | 253 |
| 1990 | $8.25 | $8.50 | $1.75 | $1.75 | -78.8% | 385.3K | 253 |
| 1989 | $4.50 | $8.75 | $4.25 | $8.25 | +83.3% | 472.9K | 252 |
| 1988 | $2.50 | $5.75 | $1.50 | $4.50 | +80.0% | 321.9K | 253 |
| 1987 | $2.50 | $10.00 | $2.50 | $2.50 | 0.0% | 195.3K | 253 |
| 1986 | $10.00 | $10.00 | $2.50 | $2.50 | -75.0% | 183.3K | 253 |
| 1985 | $10.00 | $15.00 | $5.00 | $10.00 | 0.0% | 325K | 252 |
| 1984 | $10.00 | $20.00 | $5.00 | $10.00 | 0.0% | 394.8K | 253 |
| 1983 | $10.00 | $20.00 | $10.00 | $10.00 | n/a | 416.6K | 101 |
ASYS monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $15.85 | +8.4% |
| August 2026 | $14.62 | -4.7% |
| July 2026 | $15.34 | -33.5% |
| June 2026 | $23.08 | +8.5% |
| May 2026 | $21.27 | +22.2% |
| April 2026 | $17.41 | +49.1% |
| March 2026 | $11.68 | -10.5% |
| February 2026 | $13.05 | -22.4% |
| January 2026 | $16.81 | +33.9% |
| December 2025 | $12.55 | +59.9% |
| November 2025 | $7.85 | -1.0% |
| October 2025 | $7.93 | -14.4% |
About the ASYS data
Daily bars. 10,869 sessions from Aug 9, 1983 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 Aug 9, 1983, 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/ASYS/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
ASYS share price history
