Oncolytics Biotech Stock Price History
NASDAQ: ONCYHealth CareBiotechnology: Pharmaceutical PreparationsUSD
0.557+0.0126 (+2.31%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
ONCY price history at a glance
The price history for Oncolytics Biotech (ONCY) on this page begins on October 1, 2001, when the stock closed at $48.93; it most recently closed at $0.557 on October 5, 2026. The highest price in this record is $93.48, reached on April 5, 2004; the latest close is 99.4% below that peak. Across the 24 complete calendar years in the table, ONCY finished higher in 9 and lower in 15. Its best year was 2003 (+199.2%) and its worst was 2002 (-71.6%).
Over roughly 25 years the share price changed -98.9%, a -16.4% compound annual price return (excluding dividends). In the last 12 months alone, ONCY has lost 55.1%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2001
- $93.48
- Date of high
- Apr 5, 2004
- Low since 2001
- $0.33
- Date of low
- Jun 2, 2025
- 52-week high
- $1.32
- 52-week low
- $0.525
- Last close
- $0.557
ONCY returns
1 week
-11.59%
1 month
-30.37%
3 months
-37.42%
6 months
-40.11%
Year to date
-35.98%
1 year
-55.08%
3 years
-70.05%
5 years
-74.91%
ONCY price return, excluding dividends.
ONCY annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 0.557 | -43.16% |
| 2025 | 0.98 | +2.08% |
| 2024 | 0.96 | -28.89% |
| 2023 | 1.35 | -17.18% |
| 2022 | 1.63 | +17.27% |
| 2021 | 1.39 | -41.60% |
| 2020 | 2.38 | -35.50% |
| 2019 | 3.69 | +67.73% |
| 2018 | 2.20 | -59.37% |
| 2017 | 5.42 | +171.43% |
| 2016 | 2.00 | -22.22% |
| 2015 | 2.57 | -50.00% |
| 2014 | 5.13 | -66.67% |
| 2013 | 15.39 | -57.92% |
| 2012 | 36.58 | -1.28% |
| 2011 | 37.05 | -41.79% |
| 2010 | 63.65 | +156.70% |
| 2009 | 24.80 | +110.48% |
| 2008 | 11.78 | -32.97% |
| 2007 | 17.58 | -11.48% |
| 2006 | 19.86 | -55.15% |
| 2005 | 44.27 | +1.53% |
| 2004 | 43.61 | +28.93% |
| 2003 | 33.82 | +199.16% |
| 2002 | 11.31 | -71.60% |
| 2001* | 39.81 | -18.64% |
* Partial year: the record begins after the start of 2001; return measured from the first available close.
2026 return is year to date.
ONCY daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 0.5463 | 0.5696 | 0.525 | 0.557 | +2.31% | |
| 0.60 | 0.6001 | 0.5418 | 0.5444 | -8.63% | |
| 0.59 | 0.61 | 0.5845 | 0.5958 | -0.70% | |
| 0.60 | 0.61 | 0.58 | 0.60 | 0.00% | |
| 0.64 | 0.64 | 0.58 | 0.60 | -4.76% | |
| 0.65 | 0.65 | 0.62 | 0.63 | -1.56% | |
| 0.67 | 0.68 | 0.63 | 0.64 | -4.48% | |
| 0.68 | 0.68 | 0.65 | 0.67 | 0.00% | |
| 0.67 | 0.68 | 0.66 | 0.67 | +1.52% | |
| 0.68 | 0.72 | 0.66 | 0.66 | -2.94% | |
| 0.69 | 0.69 | 0.67 | 0.68 | 0.00% | |
| 0.68 | 0.69 | 0.64 | 0.68 | 0.00% | |
| 0.73 | 0.73 | 0.66 | 0.68 | -4.23% | |
| 0.76 | 0.78 | 0.71 | 0.71 | -7.79% | |
| 0.77 | 0.79 | 0.76 | 0.77 | 0.00% | |
| 0.78 | 0.78 | 0.76 | 0.77 | 0.00% | |
| 0.78 | 0.80 | 0.77 | 0.77 | 0.00% | |
| 0.78 | 0.80 | 0.76 | 0.77 | -1.28% | |
| 0.83 | 0.84 | 0.78 | 0.78 | -3.70% | |
| 0.76 | 0.85 | 0.76 | 0.81 | +8.00% | |
| 0.77 | 0.77 | 0.73 | 0.75 | -2.60% | |
| 0.79 | 0.83 | 0.76 | 0.77 | -3.75% | |
| 0.80 | 0.83 | 0.79 | 0.80 | -1.23% | |
| 0.83 | 0.84 | 0.79 | 0.81 | -3.57% | |
| 0.84 | 0.85 | 0.83 | 0.84 | -2.33% | |
| 0.88 | 0.89 | 0.84 | 0.86 | -2.27% | |
| 0.85 | 0.91 | 0.84 | 0.88 | +4.76% | |
| 0.83 | 0.86 | 0.83 | 0.84 | 0.00% | |
| 0.85 | 0.87 | 0.83 | 0.84 | -2.33% | |
| 0.84 | 0.86 | 0.82 | 0.86 | +1.18% | |
| 0.86 | 0.87 | 0.84 | 0.85 | -1.16% | |
| 0.86 | 0.87 | 0.84 | 0.86 | 0.00% | |
| 0.85 | 0.87 | 0.84 | 0.86 | +2.38% | |
| 0.85 | 0.85 | 0.80 | 0.84 | 0.00% | |
| 0.80 | 0.85 | 0.80 | 0.84 | +5.00% | |
| 0.83 | 0.83 | 0.79 | 0.80 | -3.61% | |
| 0.84 | 0.86 | 0.83 | 0.83 | -1.19% | |
| 0.82 | 0.86 | 0.82 | 0.84 | +2.44% | |
| 0.84 | 0.85 | 0.81 | 0.82 | -1.20% | |
| 0.80 | 0.85 | 0.78 | 0.83 | +3.75% | |
| 0.84 | 0.84 | 0.80 | 0.80 | -2.44% | |
| 0.80 | 0.83 | 0.79 | 0.82 | 0.00% | |
| 0.80 | 0.83 | 0.78 | 0.82 | +2.50% | |
| 0.80 | 0.81 | 0.76 | 0.80 | 0.00% | |
| 0.80 | 0.82 | 0.79 | 0.80 | 0.00% | |
| 0.79 | 0.82 | 0.79 | 0.80 | 0.00% | |
| 0.80 | 0.81 | 0.78 | 0.80 | -1.23% | |
| 0.80 | 0.82 | 0.78 | 0.81 | +3.85% | |
| 0.75 | 0.79 | 0.75 | 0.78 | +4.00% | |
| 0.77 | 0.77 | 0.74 | 0.75 | 0.00% | |
| 0.76 | 0.77 | 0.73 | 0.75 | 0.00% | |
| 0.78 | 0.79 | 0.75 | 0.75 | -5.06% | |
| 0.78 | 0.80 | 0.78 | 0.79 | -1.25% | |
| 0.80 | 0.83 | 0.80 | 0.80 | -1.23% | |
| 0.83 | 0.84 | 0.81 | 0.81 | -4.71% | |
| 0.81 | 0.85 | 0.81 | 0.85 | +2.41% | |
| 0.88 | 0.89 | 0.81 | 0.83 | -3.49% | |
| 0.83 | 0.86 | 0.82 | 0.86 | +1.18% | |
| 0.86 | 0.90 | 0.80 | 0.85 | 0.00% | |
| 0.85 | 0.87 | 0.84 | 0.85 | -3.41% | |
| 0.90 | 0.90 | 0.86 | 0.88 | -2.22% | |
| 0.92 | 0.94 | 0.89 | 0.90 | -1.10% | |
| 0.93 | 0.96 | 0.90 | 0.91 | -2.15% | |
| 0.94 | 1.08 | 0.89 | 0.93 | +4.49% | |
| 0.91 | 0.92 | 0.87 | 0.89 | -3.26% | |
| 0.80 | 0.97 | 0.80 | 0.92 | +16.46% | |
| 0.85 | 0.86 | 0.79 | 0.79 | -8.14% | |
| 0.88 | 0.88 | 0.83 | 0.86 | -2.27% | |
| 0.92 | 0.92 | 0.88 | 0.88 | -2.22% | |
| 0.92 | 0.94 | 0.87 | 0.90 | 0.00% | |
| 0.93 | 0.96 | 0.90 | 0.90 | -5.26% | |
| 0.94 | 0.97 | 0.92 | 0.95 | -1.04% | |
| 0.96 | 0.98 | 0.95 | 0.96 | +1.05% | |
| 0.92 | 0.96 | 0.91 | 0.95 | +3.26% | |
| 0.95 | 0.98 | 0.92 | 0.92 | 0.00% | |
| 0.95 | 0.98 | 0.91 | 0.92 | -2.13% | |
| 0.91 | 0.98 | 0.91 | 0.94 | +2.17% | |
| 0.99 | 1.02 | 0.91 | 0.92 | -4.17% | |
| 0.95 | 0.98 | 0.94 | 0.96 | +3.23% | |
| 0.96 | 0.97 | 0.92 | 0.93 | -2.11% | |
| 0.88 | 0.96 | 0.88 | 0.95 | +11.76% | |
| 0.82 | 0.88 | 0.82 | 0.85 | +6.25% | |
| 0.82 | 0.84 | 0.80 | 0.80 | -2.44% | |
| 0.80 | 0.84 | 0.78 | 0.82 | +2.50% | |
| 0.82 | 0.84 | 0.80 | 0.80 | -1.23% | |
| 0.85 | 0.88 | 0.80 | 0.81 | -3.57% | |
| 0.83 | 0.86 | 0.82 | 0.84 | 0.00% | |
| 0.86 | 0.86 | 0.83 | 0.84 | -3.45% | |
| 0.89 | 0.90 | 0.85 | 0.87 | -1.14% | |
| 0.95 | 1.00 | 0.88 | 0.88 | -5.38% | |
| 1.11 | 1.11 | 0.91 | 0.93 | -12.26% | |
| 1.14 | 1.18 | 1.05 | 1.06 | +1.92% | |
| 0.95 | 1.07 | 0.91 | 1.04 | +10.64% | |
| 0.91 | 0.98 | 0.89 | 0.94 | +4.44% | |
| 0.84 | 0.93 | 0.83 | 0.90 | +11.11% | |
| 0.82 | 0.83 | 0.81 | 0.81 | 0.00% | |
| 0.81 | 0.82 | 0.79 | 0.81 | +2.53% | |
| 0.83 | 0.83 | 0.79 | 0.79 | -3.66% | |
| 0.77 | 0.84 | 0.77 | 0.82 | +5.13% | |
| 0.80 | 0.85 | 0.77 | 0.78 | -2.50% | |
| 0.84 | 0.85 | 0.79 | 0.80 | -5.88% | |
| 0.87 | 0.87 | 0.84 | 0.85 | -2.30% | |
| 0.87 | 0.90 | 0.85 | 0.87 | 0.00% | |
| 0.88 | 0.90 | 0.87 | 0.87 | -3.33% | |
| 0.88 | 0.92 | 0.88 | 0.90 | 0.00% | |
| 0.89 | 0.91 | 0.88 | 0.90 | +1.12% | |
| 0.89 | 0.90 | 0.87 | 0.89 | -1.11% | |
| 0.93 | 0.93 | 0.88 | 0.90 | -2.17% | |
| 0.88 | 0.95 | 0.88 | 0.92 | 0.00% | |
| 0.95 | 0.95 | 0.87 | 0.92 | -1.08% | |
| 0.89 | 0.95 | 0.87 | 0.93 | +6.90% | |
| 0.90 | 0.92 | 0.87 | 0.87 | -1.14% | |
| 0.93 | 0.97 | 0.88 | 0.88 | +1.15% | |
| 0.90 | 0.90 | 0.84 | 0.87 | -3.33% | |
| 0.98 | 0.99 | 0.89 | 0.90 | -7.22% | |
| 1.17 | 1.17 | 0.92 | 0.97 | -5.83% | |
| 1.12 | 1.12 | 1.00 | 1.03 | -5.50% | |
| 1.11 | 1.16 | 1.06 | 1.09 | -5.22% | |
| 1.13 | 1.19 | 1.12 | 1.15 | +2.68% | |
| 1.11 | 1.13 | 1.09 | 1.12 | +0.90% | |
| 1.10 | 1.13 | 1.06 | 1.11 | -0.89% | |
| 1.09 | 1.12 | 1.06 | 1.12 | +5.66% | |
| 1.10 | 1.10 | 1.06 | 1.06 | -3.64% | |
| 1.02 | 1.10 | 1.01 | 1.10 | +7.84% | |
| 1.00 | 1.07 | 1.00 | 1.02 | -2.86% | |
| 0.96 | 1.05 | 0.93 | 1.05 | +12.90% | |
| 1.02 | 1.10 | 0.92 | 0.93 | -10.58% | |
| 0.92 | 1.06 | 0.90 | 1.04 | +14.29% | |
| 0.92 | 0.93 | 0.90 | 0.91 | +1.11% | |
| 0.91 | 0.91 | 0.86 | 0.90 | -5.26% | |
| 0.95 | 0.99 | 0.94 | 0.95 | -1.04% | |
| 0.92 | 0.98 | 0.91 | 0.96 | +3.23% | |
| 0.85 | 0.96 | 0.85 | 0.93 | +9.41% | |
| 0.81 | 0.88 | 0.81 | 0.85 | +4.94% | |
| 0.85 | 0.86 | 0.78 | 0.81 | -3.57% | |
| 0.90 | 0.92 | 0.82 | 0.84 | -6.67% | |
| 0.95 | 0.96 | 0.90 | 0.90 | -5.26% | |
| 0.92 | 0.96 | 0.92 | 0.95 | +3.26% | |
| 0.93 | 0.95 | 0.91 | 0.92 | -3.16% | |
| 0.97 | 0.98 | 0.94 | 0.95 | 0.00% | |
| 0.97 | 1.00 | 0.94 | 0.95 | -3.06% | |
| 0.96 | 1.00 | 0.93 | 0.98 | +2.08% | |
| 0.99 | 1.00 | 0.96 | 0.96 | -3.03% | |
| 0.98 | 1.02 | 0.98 | 0.99 | -1.00% | |
| 0.99 | 1.04 | 0.99 | 1.00 | +2.04% | |
| 0.97 | 1.00 | 0.96 | 0.98 | +2.08% | |
| 1.01 | 1.01 | 0.95 | 0.96 | -4.95% | |
| 1.01 | 1.04 | 1.00 | 1.01 | -0.98% | |
| 1.08 | 1.08 | 1.01 | 1.02 | -3.77% | |
| 1.04 | 1.09 | 1.02 | 1.06 | 0.00% | |
| 1.05 | 1.12 | 1.02 | 1.06 | +0.95% | |
| 1.06 | 1.08 | 1.03 | 1.05 | -0.94% | |
| 1.04 | 1.08 | 1.03 | 1.06 | +1.92% | |
| 1.01 | 1.06 | 0.98 | 1.04 | +1.96% | |
| 1.13 | 1.13 | 1.02 | 1.02 | -9.73% | |
| 1.06 | 1.15 | 1.06 | 1.13 | +5.61% | |
| 1.10 | 1.11 | 1.02 | 1.07 | -3.60% | |
| 1.15 | 1.17 | 1.10 | 1.11 | -1.77% | |
| 1.06 | 1.19 | 1.03 | 1.13 | +6.60% | |
| 0.98 | 1.08 | 0.98 | 1.06 | +10.42% | |
| 1.02 | 1.02 | 0.96 | 0.96 | -4.00% | |
| 1.01 | 1.03 | 0.98 | 1.00 | -1.96% | |
| 1.01 | 1.04 | 0.98 | 1.02 | +4.08% | |
| 1.09 | 1.09 | 0.93 | 0.98 | -7.55% | |
| 0.89 | 1.10 | 0.83 | 1.06 | +27.71% | |
| 0.85 | 0.86 | 0.82 | 0.83 | -2.35% | |
| 0.85 | 0.86 | 0.79 | 0.85 | +1.19% | |
| 0.87 | 0.87 | 0.82 | 0.84 | -2.33% | |
| 0.91 | 0.91 | 0.83 | 0.86 | -3.37% | |
| 0.82 | 0.91 | 0.82 | 0.89 | +5.95% | |
| 0.92 | 0.93 | 0.81 | 0.84 | -6.67% | |
| 1.03 | 1.06 | 0.89 | 0.90 | +2.27% | |
| 0.96 | 1.00 | 0.86 | 0.88 | -9.28% | |
| 0.99 | 0.99 | 0.93 | 0.97 | -1.02% | |
| 1.02 | 1.04 | 0.97 | 0.98 | -2.97% | |
| 1.10 | 1.11 | 1.00 | 1.01 | -9.01% | |
| 1.15 | 1.17 | 1.08 | 1.11 | -4.31% | |
| 1.13 | 1.17 | 1.11 | 1.16 | +2.65% | |
| 1.24 | 1.24 | 1.11 | 1.13 | -8.87% | |
| 1.27 | 1.29 | 1.19 | 1.24 | -2.36% | |
| 1.20 | 1.30 | 1.19 | 1.27 | +8.55% | |
| 1.04 | 1.21 | 1.03 | 1.17 | +18.18% | |
| 1.01 | 1.02 | 0.98 | 0.99 | -1.98% | |
| 1.00 | 1.08 | 1.00 | 1.01 | +4.12% | |
| 1.05 | 1.06 | 0.97 | 0.97 | -7.62% | |
| 1.03 | 1.07 | 0.96 | 1.05 | +5.00% | |
| 1.00 | 1.03 | 0.97 | 1.00 | +1.01% | |
| 0.97 | 1.04 | 0.92 | 0.99 | +2.06% | |
| 1.00 | 1.01 | 0.96 | 0.97 | -2.02% | |
| 0.95 | 1.00 | 0.92 | 0.99 | +3.13% | |
| 0.98 | 1.00 | 0.96 | 0.96 | 0.00% | |
| 0.96 | 0.99 | 0.96 | 0.96 | -1.03% | |
| 0.99 | 1.00 | 0.93 | 0.97 | -1.02% | |
| 0.91 | 0.99 | 0.91 | 0.98 | +12.64% | |
| 0.86 | 0.90 | 0.86 | 0.87 | -2.25% | |
| 0.90 | 0.92 | 0.88 | 0.89 | -2.20% | |
| 0.95 | 0.95 | 0.90 | 0.91 | -4.21% | |
| 0.97 | 0.98 | 0.95 | 0.95 | -2.06% | |
| 0.97 | 1.00 | 0.97 | 0.97 | +2.11% | |
| 0.96 | 0.99 | 0.94 | 0.95 | -2.06% | |
| 0.99 | 1.01 | 0.97 | 0.97 | -3.96% | |
| 1.02 | 1.03 | 0.98 | 1.01 | 0.00% | |
| 1.01 | 1.05 | 0.99 | 1.01 | 0.00% | |
| 1.04 | 1.06 | 0.99 | 1.01 | -2.88% | |
| 0.93 | 1.05 | 0.93 | 1.04 | +13.04% | |
| 1.02 | 1.02 | 0.92 | 0.92 | -7.07% | |
| 0.97 | 1.04 | 0.97 | 0.99 | -1.00% | |
| 0.99 | 1.00 | 0.96 | 1.00 | +1.01% | |
| 0.99 | 1.00 | 0.96 | 0.99 | +1.02% | |
| 0.95 | 0.99 | 0.94 | 0.98 | +4.26% | |
| 1.00 | 1.00 | 0.94 | 0.94 | -5.05% | |
| 0.98 | 1.01 | 0.95 | 0.99 | +1.02% | |
| 0.91 | 1.00 | 0.90 | 0.98 | +7.69% | |
| 0.88 | 0.93 | 0.88 | 0.91 | +3.41% | |
| 0.94 | 0.94 | 0.88 | 0.88 | -6.38% | |
| 1.00 | 1.00 | 0.93 | 0.94 | -6.00% | |
| 0.87 | 1.01 | 0.86 | 1.00 | -3.85% | |
| 1.04 | 1.05 | 1.02 | 1.04 | +0.97% | |
| 1.03 | 1.05 | 1.01 | 1.03 | 0.00% | |
| 1.01 | 1.05 | 0.99 | 1.03 | +3.00% | |
| 0.99 | 1.02 | 0.97 | 1.00 | +1.01% | |
| 1.05 | 1.06 | 0.99 | 0.99 | -4.81% | |
| 1.05 | 1.06 | 1.01 | 1.04 | +0.97% | |
| 1.05 | 1.06 | 1.03 | 1.03 | -1.90% | |
| 1.06 | 1.09 | 1.03 | 1.05 | +0.96% | |
| 1.07 | 1.11 | 1.03 | 1.04 | -3.70% | |
| 1.11 | 1.13 | 1.08 | 1.08 | -5.26% | |
| 1.09 | 1.15 | 1.08 | 1.14 | +5.56% | |
| 1.06 | 1.09 | 1.02 | 1.08 | +0.93% | |
| 1.01 | 1.09 | 1.01 | 1.07 | +4.90% | |
| 1.00 | 1.04 | 0.97 | 1.02 | +0.99% | |
| 0.99 | 1.05 | 0.98 | 1.01 | 0.00% | |
| 0.95 | 1.03 | 0.95 | 1.01 | +5.21% | |
| 1.11 | 1.13 | 0.92 | 0.96 | -11.93% | |
| 1.18 | 1.19 | 1.08 | 1.09 | -8.40% | |
| 1.17 | 1.19 | 1.14 | 1.19 | +2.59% | |
| 1.17 | 1.19 | 1.14 | 1.16 | -0.85% | |
| 1.23 | 1.23 | 1.14 | 1.17 | -4.10% | |
| 1.26 | 1.32 | 1.18 | 1.22 | +0.83% | |
| 1.21 | 1.22 | 1.16 | 1.21 | +0.83% | |
| 1.18 | 1.21 | 1.16 | 1.20 | +1.69% | |
| 1.18 | 1.21 | 1.16 | 1.18 | 0.00% | |
| 1.17 | 1.18 | 1.13 | 1.18 | +6.31% | |
| 1.14 | 1.14 | 1.10 | 1.11 | -1.77% | |
| 1.19 | 1.19 | 1.10 | 1.13 | -4.24% | |
| 1.15 | 1.21 | 1.15 | 1.18 | +0.85% | |
| 1.22 | 1.23 | 1.16 | 1.17 | -3.31% | |
| 1.20 | 1.26 | 1.19 | 1.21 | 0.00% | |
| 1.19 | 1.23 | 1.15 | 1.21 | +3.42% | |
| 1.16 | 1.22 | 1.14 | 1.17 | -2.50% | |
| 1.27 | 1.30 | 1.19 | 1.20 | -3.23% | |
| 1.28 | 1.30 | 1.23 | 1.24 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the ONCY chart for longer ranges.