Nasdaq · IMOS · stock
Chipmos Technologies INC (IMOS) stock price history
Every Nasdaq trading session of Chipmos Technologies INC from Jul 3, 2003 to Sep 28, 2026: 5,846 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.
IMOS adjusted close, 2003 to 2026
- $75.79
- All time high, 2026
- $78.35
- 52 week high, $18.70 low
- 5,846
- Daily sessions since 2003
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2003 to 2026 series and minute bars.
IMOS key facts
- Chipmos Technologies INC (IMOS) closed at $71.58 on Sep 28, 2026 on Nasdaq.
- IMOS's all time high close is $75.79, set on Jul 10, 2026; its all time low close is $0.4024 on Dec 18, 2008.
- IMOS's 52 week range is $18.70 to $78.35.
- IMOS returned +284.5% over the year to Sep 28, 2026 and +159.2% over five years.
- Over ten years IMOS returned +557%, +20.7% a year compounded.
- IMOS's deepest drawdown was -98.7% from Jan 13, 2004 to Dec 18, 2008.
- DataCedar holds 5,846 daily sessions of IMOS history from Jul 3, 2003 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
IMOS price chart, 2003 to 2026
IMOS returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +29.1% |
| 3 months | +19.8% |
| 6 months | +102.5% |
| Year to date | +138.1% |
| 1 year | +284.5% |
| 3 years | +238.2% |
| 5 years | +159.2% |
| 10 years | +556.9% |
| Since Jul 3, 2003 | +2,541% |
| Compound annual growth, 23.2 years | +15.1% |
IMOS records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $75.79 on Jul 10, 2026
- All time low close
- $0.4024 on Dec 18, 2008
- 52 week high
- $78.35 on Jul 10, 2026
- 52 week low
- $18.70 on Sep 29, 2025
- Deepest drawdown
- -98.7% from Jan 13, 2004 to Dec 18, 2008, recovered Aug 11, 2021
- Best single session
- +65.4% on Oct 9, 2003
- Worst single session
- -25.8% on Oct 23, 2008
- Volatility, 1 year annualised
- 76.0%
- Sessions closing higher, 1 year
- 54%
- Growth of 1 since 2003
- 26.4×
- Best calendar year
- 2009, +184%
- Worst calendar year
- 2008, -94%
IMOS 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. 2003 starts on Jul 3, 2003; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $29.91 | $78.35 | $29.32 | $71.58 | +144.7% | 15.5M | 185 |
| 2025 | $17.77 | $30.58 | $12.08 | $29.25 | +64.3% | 5.4M | 250 |
| 2024 | $24.36 | $29.19 | $17.21 | $17.80 | -27.9% | 5.1M | 252 |
| 2023 | $18.46 | $25.37 | $17.90 | $24.68 | +34.8% | 4.6M | 250 |
| 2022 | $26.97 | $29.21 | $14.95 | $18.31 | -32.6% | 8M | 251 |
| 2021 | $18.27 | $34.59 | $17.96 | $27.17 | +49.8% | 7M | 252 |
| 2020 | $16.20 | $19.42 | $10.58 | $18.14 | +13.8% | 3.8M | 253 |
| 2019 | $11.28 | $17.51 | $9.40 | $15.94 | +40.2% | 4.5M | 252 |
| 2018 | $13.09 | $13.65 | $8.65 | $11.37 | -13.0% | 10.5M | 251 |
| 2017 | $10.74 | $16.29 | $10.74 | $13.07 | +25.1% | 28.6M | 251 |
| 2016 | $10.72 | $14.14 | $7.88 | $10.45 | -3.9% | 26M | 252 |
| 2015 | $12.77 | $13.77 | $8.11 | $10.87 | -14.4% | 36.5M | 252 |
| 2014 | $10.37 | $14.04 | $9.69 | $12.69 | +22.1% | 46.5M | 252 |
| 2013 | $6.52 | $11.44 | $5.33 | $10.40 | +67.2% | 62.4M | 252 |
| 2012 | $2.76 | $10.25 | $2.73 | $6.22 | +127.7% | 52.2M | 250 |
| 2011 | $3.24 | $5.36 | $2.32 | $2.73 | -15.7% | 16M | 252 |
| 2010 | $1.48 | $4.24 | $1.27 | $3.24 | +115.5% | 22.6M | 252 |
| 2009 | $0.5294 | $2.12 | $0.4235 | $1.50 | +184.0% | 8.4M | 252 |
| 2008 | $9.06 | $9.06 | $0.3812 | $0.5294 | -94.1% | 18.3M | 253 |
| 2007 | $14.63 | $16.92 | $8.51 | $9.02 | -37.3% | 41.2M | 251 |
| 2006 | $12.28 | $17.62 | $11.35 | $14.38 | +17.1% | 29.9M | 251 |
| 2005 | $13.68 | $16.33 | $9.97 | $12.28 | -8.9% | 26.3M | 252 |
| 2004 | $19.88 | $32.93 | $7.54 | $13.49 | -32.2% | 42.6M | 252 |
| 2003 | $2.77 | $19.95 | $2.54 | $19.88 | n/a | 9.1M | 126 |
IMOS monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $71.58 | +31.0% |
| August 2026 | $54.64 | +15.3% |
| July 2026 | $47.40 | -26.2% |
| June 2026 | $64.25 | -7.4% |
| May 2026 | $69.35 | +54.0% |
| April 2026 | $45.03 | +27.5% |
| March 2026 | $35.32 | -20.4% |
| February 2026 | $44.35 | +21.0% |
| January 2026 | $36.65 | +25.3% |
| December 2025 | $29.25 | +8.4% |
| November 2025 | $26.98 | +28.9% |
| October 2025 | $20.93 | +10.9% |
About the IMOS data
Daily bars. 5,846 sessions from Jul 3, 2003 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 Jul 3, 2003, 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/IMOS/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
IMOS share price history
