Nasdaq · ONCY · stock
Oncolytics Biotech INC (ONCY) stock price history
Every Nasdaq trading session of Oncolytics Biotech INC from Oct 5, 2001 to Sep 28, 2026: 6,284 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.
ONCY adjusted close, 2001 to 2026
- $82.46
- All time high, 2004
- $1.51
- 52 week high, $0.6400 low
- 6,284
- Daily sessions since 2001
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2001 to 2026 series and minute bars.
ONCY key facts
- Oncolytics Biotech INC (ONCY) closed at $0.6630 on Sep 28, 2026 on Nasdaq.
- ONCY's all time high close is $82.46, set on Apr 5, 2004; its all time low close is $0.3300 on Jun 5, 2025.
- ONCY's 52 week range is $0.6400 to $1.51.
- ONCY returned -48.6% over the year to Sep 28, 2026 and -68.7% over five years.
- Over ten years ONCY returned -74%, -12.7% a year compounded.
- ONCY's deepest drawdown was -99.6% from Apr 5, 2004 to Jun 5, 2025.
- DataCedar holds 6,284 daily sessions of ONCY history from Oct 5, 2001 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
ONCY price chart, 2001 to 2026
ONCY returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -22.9% |
| 3 months | -30.2% |
| 6 months | -21.1% |
| Year to date | -25.5% |
| 1 year | -48.6% |
| 3 years | -70.0% |
| 5 years | -68.7% |
| 10 years | -74.2% |
| Since Oct 5, 2001 | -98.6% |
| Compound annual growth, 25.0 years | -15.8% |
ONCY records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $82.46 on Apr 5, 2004
- All time low close
- $0.3300 on Jun 5, 2025
- 52 week high
- $1.51 on Sep 29, 2025
- 52 week low
- $0.6400 on Sep 24, 2026
- Deepest drawdown
- -99.6% from Apr 5, 2004 to Jun 5, 2025, not yet recovered
- Best single session
- +54.4% on Apr 30, 2003
- Worst single session
- -51.5% on Jan 11, 2002
- Volatility, 1 year annualised
- 77.0%
- Sessions closing higher, 1 year
- 37%
- Best calendar year
- 2003, +194%
- Worst calendar year
- 2002, -72%
ONCY 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. 2001 starts on Oct 5, 2001; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $0.9100 | $1.30 | $0.6400 | $0.6630 | -23.8% | 232.9M | 185 |
| 2025 | $0.9400 | $1.51 | $0.3300 | $0.8700 | -4.4% | 239.8M | 250 |
| 2024 | $1.35 | $1.53 | $0.7100 | $0.9100 | -32.6% | 88.9M | 252 |
| 2023 | $1.63 | $3.39 | $1.09 | $1.35 | -17.2% | 130.6M | 250 |
| 2022 | $1.37 | $2.28 | $0.8000 | $1.63 | +17.3% | 53.9M | 251 |
| 2021 | $2.42 | $4.83 | $1.37 | $1.39 | -41.6% | 200.3M | 252 |
| 2020 | $4.51 | $4.82 | $0.9400 | $2.38 | -50.0% | 234.1M | 253 |
| 2019 | $1.76 | $6.02 | $0.3500 | $4.76 | +163.0% | 101.3M | 252 |
| 2018 | $5.41 | $8.55 | $1.64 | $1.81 | -66.6% | 12.9M | 251 |
| 2017 | $1.80 | $8.07 | $1.80 | $5.41 | +171.4% | 4M | 251 |
| 2016 | $2.57 | $5.61 | $1.33 | $2.00 | -22.2% | 2.4M | 252 |
| 2015 | $5.03 | $13.30 | $2.28 | $2.57 | -49.1% | 24.5M | 252 |
| 2014 | $14.63 | $19.67 | $3.80 | $5.03 | -65.8% | 11.8M | 252 |
| 2013 | $39.04 | $46.83 | $13.77 | $14.73 | -60.5% | 11.9M | 252 |
| 2012 | $38.47 | $55.67 | $15.20 | $37.24 | +0.5% | 4.5M | 250 |
| 2011 | $64.89 | $65.74 | $29.92 | $37.05 | -41.8% | 3.4M | 252 |
| 2010 | $25.46 | $66.03 | $19.48 | $63.65 | +156.7% | 3.4M | 252 |
| 2009 | $11.49 | $36.10 | $10.83 | $24.80 | +115.7% | 2.5M | 252 |
| 2008 | $16.53 | $23.37 | $9.50 | $11.49 | -29.7% | 1.1M | 253 |
| 2007 | $20.42 | $27.55 | $13.68 | $16.34 | -17.7% | 1.6M | 251 |
| 2006 | $43.32 | $49.88 | $17.10 | $19.85 | -55.2% | 1.3M | 251 |
| 2005 | $42.85 | $54.72 | $23.08 | $44.27 | +1.5% | 2.1M | 252 |
| 2004 | $33.25 | $93.48 | $27.93 | $43.60 | +33.4% | 5.2M | 252 |
| 2003 | $11.31 | $47.60 | $9.40 | $32.68 | +194.0% | 2.7M | 252 |
| 2002 | $39.71 | $42.65 | $8.65 | $11.11 | -72.2% | 280.4K | 252 |
| 2001 | $49.88 | $59.38 | $37.62 | $39.99 | n/a | 32.4K | 60 |
ONCY monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $0.6630 | -21.1% |
| August 2026 | $0.8400 | +12.0% |
| July 2026 | $0.7500 | -21.1% |
| June 2026 | $0.9500 | -8.7% |
| May 2026 | $1.04 | +18.2% |
| April 2026 | $0.8800 | +3.5% |
| March 2026 | $0.8500 | -24.8% |
| February 2026 | $1.13 | +15.3% |
| January 2026 | $0.9800 | +12.6% |
| December 2025 | $0.8700 | -13.0% |
| November 2025 | $1.00 | -16.0% |
| October 2025 | $1.19 | -15.0% |
About the ONCY data
Daily bars. 6,284 sessions from Oct 5, 2001 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 Oct 5, 2001, 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/ONCY/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
ONCY share price history
