Kyntra Bio Stock Price History
NASDAQ: KYNBHealth CareBiotechnology: Pharmaceutical PreparationsUSD
6.11+0.15 (+2.52%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
KYNB price history at a glance
The price history for Kyntra Bio (KYNB) on this page begins on November 10, 2014, when the stock closed at $550.00; it most recently closed at $6.11 on October 5, 2026. The highest price in this record is $1,713.75, reached on July 9, 2018; the latest close is 99.6% below that peak. Across the 11 complete calendar years in the table, KYNB finished higher in 3 and lower in 8. Its best year was 2017 (+121.5%) and its worst was 2023 (-94.5%).
Over roughly 12 years the share price changed -98.9%, a -31.5% compound annual price return (excluding dividends). In the last 12 months alone, KYNB has lost 44.3%. 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 2014
- $1,713.75
- Date of high
- Jul 9, 2018
- Low since 2014
- $4.50
- Date of low
- Nov 11, 2024
- 52-week high
- $11.65
- 52-week low
- $5.62
- IPO year
- 2014
- Last close
- $6.11
KYNB returns
1 week
-3.17%
1 month
-24.00%
3 months
-19.66%
6 months
-14.78%
Year to date
-30.41%
1 year
-44.25%
3 years
-58.92%
5 years
-97.79%
KYNB price return, excluding dividends.
KYNB annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 6.11 | -33.30% |
| 2025 | 9.16 | -32.89% |
| 2024 | 13.65 | -38.37% |
| 2023 | 22.15 | -94.47% |
| 2022 | 400.50 | +13.62% |
| 2021 | 352.50 | -61.98% |
| 2020 | 927.25 | -13.92% |
| 2019 | 1,077.25 | -5.00% |
| 2018 | 1,134.00 | -4.30% |
| 2017 | 1,185.00 | +121.50% |
| 2016 | 535.00 | -29.77% |
| 2015 | 761.75 | +10.88% |
| 2014* | 687.00 | +24.91% |
* Partial year: the record begins after the start of 2014; return measured from the first available close.
2026 return is year to date.
KYNB daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 6.08 | 6.26 | 6.08 | 6.11 | +2.52% | |
| 6.07 | 6.16 | 5.90 | 5.96 | -2.77% | |
| 5.85 | 6.35 | 5.85 | 6.13 | +2.85% | |
| 6.14 | 6.14 | 5.87 | 5.96 | -2.13% | |
| 6.36 | 6.45 | 5.62 | 6.09 | -3.49% | |
| 6.60 | 6.64 | 6.30 | 6.31 | -2.92% | |
| 6.64 | 6.84 | 6.49 | 6.50 | -2.26% | |
| 6.67 | 6.93 | 6.60 | 6.65 | -2.06% | |
| 6.80 | 6.95 | 6.64 | 6.79 | -1.59% | |
| 6.96 | 7.12 | 6.83 | 6.90 | -0.58% | |
| 7.01 | 7.01 | 6.90 | 6.94 | -0.86% | |
| 7.18 | 7.18 | 6.98 | 7.00 | -3.45% | |
| 7.09 | 7.30 | 7.03 | 7.25 | -0.41% | |
| 7.15 | 7.28 | 6.99 | 7.28 | +1.11% | |
| 7.10 | 7.26 | 7.03 | 7.20 | +1.77% | |
| 7.29 | 7.38 | 6.66 | 7.08 | -0.35% | |
| 7.73 | 7.75 | 7.05 | 7.10 | -6.70% | |
| 7.78 | 7.85 | 7.61 | 7.61 | -2.06% | |
| 7.81 | 7.95 | 7.38 | 7.77 | -3.24% | |
| 7.85 | 8.06 | 7.79 | 8.03 | +0.75% | |
| 8.18 | 8.25 | 7.92 | 7.97 | -0.06% | |
| 8.42 | 8.42 | 7.03 | 7.98 | -0.81% | |
| 8.12 | 8.26 | 7.99 | 8.04 | -2.19% | |
| 8.41 | 8.50 | 8.05 | 8.22 | -3.86% | |
| 8.34 | 8.67 | 8.34 | 8.55 | +0.71% | |
| 8.59 | 8.64 | 8.29 | 8.49 | -0.47% | |
| 7.97 | 8.65 | 7.92 | 8.53 | +7.30% | |
| 7.83 | 8.05 | 7.80 | 7.95 | +2.19% | |
| 7.92 | 8.03 | 7.60 | 7.78 | -2.99% | |
| 7.99 | 8.02 | 7.80 | 8.02 | +0.25% | |
| 8.01 | 8.12 | 7.92 | 8.00 | -1.30% | |
| 8.11 | 8.15 | 7.95 | 8.11 | +0.06% | |
| 8.00 | 8.12 | 7.75 | 8.10 | +1.50% | |
| 7.67 | 7.98 | 7.65 | 7.98 | +6.12% | |
| 7.35 | 7.60 | 7.30 | 7.52 | +2.73% | |
| 7.09 | 7.39 | 6.86 | 7.32 | +2.38% | |
| 7.18 | 7.24 | 6.95 | 7.15 | +2.00% | |
| 6.81 | 7.25 | 6.81 | 7.01 | +2.94% | |
| 6.94 | 7.16 | 6.81 | 6.81 | -3.40% | |
| 7.03 | 7.41 | 6.95 | 7.05 | +0.14% | |
| 7.03 | 7.15 | 7.03 | 7.04 | -0.85% | |
| 7.14 | 7.23 | 7.05 | 7.10 | +0.42% | |
| 6.91 | 7.20 | 6.91 | 7.07 | +1.43% | |
| 7.29 | 7.33 | 6.97 | 6.97 | -4.13% | |
| 6.97 | 7.30 | 6.97 | 7.27 | +4.14% | |
| 6.93 | 7.11 | 6.93 | 6.98 | -0.13% | |
| 6.90 | 7.07 | 6.75 | 6.99 | +1.01% | |
| 6.99 | 7.00 | 6.89 | 6.92 | +2.37% | |
| 6.88 | 6.98 | 6.75 | 6.76 | +0.45% | |
| 6.83 | 6.89 | 6.66 | 6.73 | -0.88% | |
| 6.77 | 6.91 | 6.71 | 6.79 | +0.15% | |
| 6.95 | 6.95 | 6.78 | 6.78 | -2.80% | |
| 7.18 | 7.18 | 6.89 | 6.98 | -1.06% | |
| 7.04 | 7.12 | 7.01 | 7.05 | +0.28% | |
| 7.07 | 7.20 | 7.03 | 7.03 | -0.57% | |
| 7.21 | 7.21 | 7.07 | 7.07 | -2.01% | |
| 7.30 | 7.30 | 7.13 | 7.22 | -1.16% | |
| 7.06 | 7.39 | 7.06 | 7.30 | +3.69% | |
| 7.17 | 7.24 | 7.04 | 7.04 | -2.63% | |
| 7.38 | 7.39 | 7.16 | 7.23 | -2.17% | |
| 7.19 | 7.54 | 7.19 | 7.39 | +2.50% | |
| 7.33 | 7.59 | 7.21 | 7.21 | -1.50% | |
| 7.30 | 7.40 | 7.25 | 7.32 | -0.34% | |
| 7.60 | 7.69 | 7.30 | 7.35 | -3.42% | |
| 7.40 | 7.72 | 7.40 | 7.61 | +3.89% | |
| 7.46 | 7.49 | 7.25 | 7.32 | -2.27% | |
| 7.45 | 7.60 | 7.45 | 7.49 | -0.66% | |
| 7.42 | 7.82 | 7.37 | 7.54 | +4.00% | |
| 7.41 | 7.63 | 7.25 | 7.25 | -4.98% | |
| 7.60 | 7.79 | 7.60 | 7.63 | +1.06% | |
| 7.59 | 7.60 | 7.37 | 7.55 | 0.00% | |
| 7.15 | 7.67 | 7.15 | 7.55 | +3.28% | |
| 7.25 | 7.40 | 6.87 | 7.31 | +0.97% | |
| 7.06 | 7.44 | 6.76 | 7.24 | +4.32% | |
| 7.00 | 7.49 | 6.88 | 6.94 | 0.00% | |
| 6.85 | 7.05 | 6.85 | 6.94 | -0.43% | |
| 6.86 | 6.97 | 6.82 | 6.97 | +1.31% | |
| 6.71 | 6.91 | 6.71 | 6.88 | +2.69% | |
| 6.84 | 6.85 | 6.65 | 6.70 | -3.04% | |
| 6.90 | 7.04 | 6.90 | 6.91 | 0.00% | |
| 7.05 | 7.05 | 6.83 | 6.91 | +0.58% | |
| 7.05 | 7.20 | 6.87 | 6.87 | -3.65% | |
| 6.80 | 7.95 | 6.72 | 7.13 | +5.47% | |
| 6.99 | 6.99 | 6.70 | 6.76 | +1.05% | |
| 6.83 | 6.99 | 6.61 | 6.69 | 0.00% | |
| 6.82 | 6.99 | 6.67 | 6.69 | +0.90% | |
| 6.85 | 6.85 | 6.55 | 6.63 | -1.19% | |
| 6.80 | 6.88 | 6.65 | 6.71 | -1.47% | |
| 6.85 | 6.99 | 6.80 | 6.81 | 0.00% | |
| 6.83 | 6.96 | 6.77 | 6.81 | -0.44% | |
| 6.92 | 6.96 | 6.83 | 6.84 | -0.87% | |
| 6.91 | 6.98 | 6.80 | 6.90 | 0.00% | |
| 7.05 | 7.05 | 6.86 | 6.90 | -1.71% | |
| 7.05 | 7.09 | 7.01 | 7.02 | +0.14% | |
| 6.96 | 7.17 | 6.96 | 7.01 | +2.34% | |
| 6.99 | 7.07 | 6.85 | 6.85 | -2.00% | |
| 6.82 | 7.05 | 6.82 | 6.99 | +0.72% | |
| 6.93 | 6.95 | 6.88 | 6.94 | -0.14% | |
| 6.85 | 6.97 | 6.85 | 6.95 | +2.21% | |
| 6.78 | 6.90 | 6.78 | 6.80 | -0.44% | |
| 6.95 | 7.02 | 6.81 | 6.83 | +0.15% | |
| 6.95 | 7.02 | 6.82 | 6.82 | -2.71% | |
| 7.02 | 7.10 | 6.96 | 7.01 | +0.14% | |
| 7.08 | 7.14 | 7.00 | 7.00 | -3.11% | |
| 6.89 | 7.23 | 6.80 | 7.23 | +6.25% | |
| 6.95 | 7.03 | 6.80 | 6.80 | -2.16% | |
| 7.05 | 7.09 | 6.95 | 6.95 | -2.11% | |
| 7.07 | 7.20 | 7.07 | 7.10 | -0.28% | |
| 7.10 | 7.26 | 7.10 | 7.12 | +0.28% | |
| 7.25 | 7.26 | 7.07 | 7.10 | -1.39% | |
| 7.19 | 7.31 | 7.09 | 7.20 | +1.55% | |
| 7.27 | 7.29 | 7.06 | 7.09 | -2.48% | |
| 7.05 | 7.27 | 7.05 | 7.27 | +3.12% | |
| 7.09 | 7.13 | 7.05 | 7.05 | 0.00% | |
| 7.05 | 7.21 | 7.05 | 7.05 | +0.28% | |
| 7.15 | 7.16 | 7.02 | 7.03 | -1.54% | |
| 7.00 | 7.25 | 6.98 | 7.14 | +1.84% | |
| 7.01 | 7.09 | 7.00 | 7.01 | -2.49% | |
| 7.22 | 7.22 | 6.96 | 7.19 | +1.81% | |
| 7.33 | 7.33 | 7.06 | 7.06 | -3.79% | |
| 7.20 | 7.38 | 7.06 | 7.34 | +0.27% | |
| 7.39 | 7.39 | 7.20 | 7.32 | +1.81% | |
| 7.25 | 7.34 | 7.18 | 7.19 | +0.98% | |
| 7.35 | 7.36 | 7.09 | 7.12 | -3.39% | |
| 7.09 | 7.46 | 7.09 | 7.37 | +4.10% | |
| 7.05 | 7.18 | 7.02 | 7.08 | -1.26% | |
| 7.22 | 7.22 | 7.10 | 7.17 | -0.28% | |
| 7.15 | 7.30 | 7.15 | 7.19 | -1.51% | |
| 7.34 | 7.39 | 7.18 | 7.30 | +5.49% | |
| 6.95 | 7.16 | 6.82 | 6.92 | -0.86% | |
| 7.24 | 7.24 | 6.98 | 6.98 | -0.43% | |
| 7.25 | 7.40 | 7.01 | 7.01 | -1.27% | |
| 6.75 | 7.35 | 6.75 | 7.10 | +4.72% | |
| 6.59 | 6.94 | 6.59 | 6.78 | +4.95% | |
| 6.55 | 6.59 | 6.32 | 6.46 | -1.97% | |
| 6.61 | 6.86 | 6.38 | 6.59 | +0.76% | |
| 6.74 | 6.93 | 6.54 | 6.54 | -3.68% | |
| 6.85 | 6.98 | 6.64 | 6.79 | +0.59% | |
| 6.96 | 7.05 | 6.64 | 6.75 | -4.39% | |
| 7.23 | 7.28 | 7.00 | 7.06 | -0.98% | |
| 7.30 | 7.44 | 7.13 | 7.13 | -2.33% | |
| 7.02 | 7.31 | 6.97 | 7.30 | +3.55% | |
| 7.42 | 7.42 | 7.00 | 7.05 | -4.34% | |
| 6.90 | 7.51 | 6.69 | 7.37 | +5.29% | |
| 7.15 | 7.30 | 7.00 | 7.00 | +0.43% | |
| 7.12 | 7.26 | 6.92 | 6.97 | -0.71% | |
| 7.02 | 7.13 | 6.95 | 7.02 | -1.40% | |
| 7.11 | 7.29 | 7.03 | 7.12 | -0.14% | |
| 7.33 | 7.40 | 7.13 | 7.13 | -2.86% | |
| 6.75 | 7.65 | 6.70 | 7.34 | +7.31% | |
| 6.91 | 7.03 | 6.67 | 6.84 | -0.65% | |
| 6.93 | 7.20 | 6.75 | 6.89 | -0.51% | |
| 6.88 | 7.01 | 6.82 | 6.92 | +1.17% | |
| 6.94 | 7.06 | 6.72 | 6.84 | -2.98% | |
| 6.85 | 7.20 | 6.76 | 7.05 | +1.73% | |
| 7.00 | 7.06 | 6.81 | 6.93 | -0.57% | |
| 7.21 | 7.21 | 6.95 | 6.97 | -4.13% | |
| 7.28 | 7.76 | 7.11 | 7.27 | -0.14% | |
| 7.86 | 8.11 | 7.25 | 7.28 | -9.57% | |
| 8.30 | 8.58 | 7.95 | 8.05 | -3.25% | |
| 7.99 | 8.99 | 7.99 | 8.32 | +6.12% | |
| 7.80 | 7.98 | 7.70 | 7.84 | +0.64% | |
| 7.67 | 8.00 | 7.50 | 7.79 | +6.28% | |
| 7.36 | 7.63 | 7.11 | 7.33 | -1.61% | |
| 7.50 | 7.80 | 7.45 | 7.45 | -0.40% | |
| 7.93 | 7.97 | 7.32 | 7.48 | -4.10% | |
| 8.10 | 8.25 | 7.65 | 7.80 | +0.26% | |
| 7.88 | 8.11 | 7.77 | 7.78 | -0.64% | |
| 8.18 | 8.63 | 7.83 | 7.83 | -4.74% | |
| 7.65 | 8.40 | 7.65 | 8.22 | +9.60% | |
| 7.86 | 8.34 | 7.50 | 7.50 | -4.58% | |
| 8.51 | 8.60 | 7.77 | 7.86 | -7.53% | |
| 8.16 | 8.75 | 8.15 | 8.50 | +4.17% | |
| 7.82 | 8.49 | 7.63 | 8.16 | +3.55% | |
| 8.07 | 8.13 | 7.49 | 7.88 | -1.62% | |
| 8.76 | 9.04 | 8.01 | 8.01 | -8.61% | |
| 8.42 | 8.96 | 8.42 | 8.77 | +3.97% | |
| 8.58 | 8.58 | 8.36 | 8.43 | -1.17% | |
| 8.69 | 8.92 | 8.46 | 8.53 | -2.40% | |
| 9.00 | 9.09 | 8.56 | 8.74 | -2.56% | |
| 8.85 | 9.08 | 8.66 | 8.97 | +2.63% | |
| 8.55 | 8.93 | 8.42 | 8.74 | +2.22% | |
| 8.96 | 9.13 | 8.52 | 8.55 | -6.46% | |
| 9.10 | 9.38 | 9.02 | 9.14 | +0.77% | |
| 9.27 | 9.37 | 9.05 | 9.07 | -4.53% | |
| 9.08 | 9.58 | 9.08 | 9.50 | +4.05% | |
| 9.23 | 9.46 | 9.06 | 9.13 | +0.66% | |
| 9.10 | 9.21 | 9.02 | 9.07 | -1.63% | |
| 9.51 | 9.66 | 9.22 | 9.22 | -2.95% | |
| 9.51 | 9.70 | 9.35 | 9.50 | -2.16% | |
| 9.23 | 9.75 | 9.23 | 9.71 | +7.65% | |
| 9.01 | 9.33 | 8.86 | 9.02 | +1.01% | |
| 8.90 | 9.32 | 8.83 | 8.93 | -2.51% | |
| 8.75 | 9.32 | 8.73 | 9.16 | +4.33% | |
| 8.74 | 8.98 | 8.50 | 8.78 | +0.92% | |
| 8.66 | 8.98 | 8.62 | 8.70 | -0.91% | |
| 8.76 | 9.19 | 8.60 | 8.78 | -1.35% | |
| 8.51 | 9.00 | 8.36 | 8.90 | +3.67% | |
| 8.42 | 8.59 | 8.38 | 8.59 | +1.84% | |
| 8.52 | 8.79 | 8.42 | 8.43 | -1.52% | |
| 8.50 | 8.80 | 8.50 | 8.56 | -0.47% | |
| 8.35 | 8.92 | 8.35 | 8.60 | +3.37% | |
| 8.85 | 9.04 | 8.30 | 8.32 | -3.93% | |
| 9.48 | 9.52 | 8.66 | 8.66 | -8.94% | |
| 9.82 | 10.47 | 9.30 | 9.51 | -5.28% | |
| 8.66 | 10.45 | 8.60 | 10.04 | +19.81% | |
| 8.71 | 8.80 | 8.37 | 8.38 | -3.68% | |
| 8.77 | 9.09 | 8.70 | 8.70 | -1.36% | |
| 8.42 | 8.98 | 8.42 | 8.82 | +3.70% | |
| 8.42 | 8.64 | 8.38 | 8.51 | +1.73% | |
| 8.51 | 8.54 | 8.30 | 8.36 | -0.71% | |
| 8.33 | 8.45 | 8.23 | 8.42 | +2.06% | |
| 8.31 | 8.55 | 7.99 | 8.25 | +1.60% | |
| 8.11 | 8.29 | 8.07 | 8.12 | +0.50% | |
| 8.51 | 8.53 | 8.06 | 8.08 | -5.28% | |
| 8.88 | 8.98 | 8.53 | 8.53 | -3.07% | |
| 9.11 | 9.11 | 8.77 | 8.80 | -0.51% | |
| 8.57 | 8.85 | 8.37 | 8.85 | +3.33% | |
| 8.64 | 8.80 | 8.47 | 8.56 | -0.23% | |
| 8.42 | 8.70 | 8.41 | 8.58 | +1.90% | |
| 8.31 | 8.66 | 8.30 | 8.42 | +1.45% | |
| 8.65 | 8.70 | 8.30 | 8.30 | -2.92% | |
| 8.60 | 8.71 | 8.47 | 8.55 | -0.58% | |
| 8.69 | 8.84 | 8.60 | 8.60 | -1.15% | |
| 8.71 | 9.10 | 8.50 | 8.70 | +0.12% | |
| 9.06 | 9.16 | 8.60 | 8.69 | -4.19% | |
| 9.20 | 9.41 | 8.80 | 9.07 | -0.66% | |
| 10.09 | 10.09 | 8.30 | 9.13 | -8.15% | |
| 11.01 | 11.09 | 9.57 | 9.94 | -9.64% | |
| 11.05 | 11.19 | 11.00 | 11.00 | -0.27% | |
| 11.00 | 11.39 | 11.00 | 11.03 | +0.27% | |
| 11.10 | 11.19 | 11.00 | 11.00 | 0.00% | |
| 11.00 | 11.15 | 11.00 | 11.00 | 0.00% | |
| 11.00 | 11.04 | 11.00 | 11.00 | -0.09% | |
| 11.12 | 11.27 | 11.00 | 11.01 | -0.99% | |
| 11.13 | 11.31 | 10.95 | 11.12 | +0.72% | |
| 11.08 | 11.08 | 10.80 | 11.04 | +1.19% | |
| 10.85 | 11.00 | 10.50 | 10.91 | +0.93% | |
| 11.06 | 11.22 | 10.81 | 10.81 | -2.79% | |
| 10.86 | 11.14 | 10.68 | 11.12 | +2.68% | |
| 10.59 | 10.91 | 10.59 | 10.83 | +1.12% | |
| 10.88 | 11.06 | 10.71 | 10.71 | -4.20% | |
| 11.15 | 11.65 | 10.86 | 11.18 | +0.27% | |
| 11.20 | 11.20 | 10.73 | 11.15 | +0.13% | |
| 10.37 | 11.60 | 10.37 | 11.14 | +7.27% | |
| 10.74 | 11.25 | 10.37 | 10.38 | -3.67% | |
| 10.98 | 11.17 | 10.64 | 10.78 | -2.40% | |
| 11.09 | 11.21 | 10.78 | 11.04 | -0.27% | |
| 10.91 | 11.24 | 10.57 | 11.07 | +0.91% | |
| 10.78 | 11.09 | 10.46 | 10.97 | +3.98% | |
| 10.96 | 10.96 | 10.29 | 10.55 | -3.74% | |
| 11.32 | 11.40 | 10.63 | 10.96 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the KYNB chart for longer ranges.