1.08
price down icon1.93%   -0.01
after-market After Hours: 1.06 -0.02 -1.85%
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Phio Pharmaceuticals Corp Stock (PHIO) Price History

The historical daily chart and data for Phio Pharmaceuticals Corp stock (PHIO), show that the latest closing stock price as of August 17, 2026, is $1.08.
  • Phio Pharmaceuticals Corp all-time high stock price is $346.50, occurred on April 03, 2019.
  • The lowest Phio Pharmaceuticals Corp stock price recorded was $0.50 on January 26, 2024. Since then, Phio Pharmaceuticals Corp's stock price has risen over 116.00% to $1.08 now.
  • The 52-week high stock price for PHIO is $4.1899, representing a 287.95% increase from the current share price, occurred on November 03, 2025.
  • The 52-week low stock price for PHIO is $0.8127, indicating a -24.75% decrease from the current share price, occurred on February 05, 2026.
  • The closing price of Phio Pharmaceuticals Corp (PHIO) stock in the beginning of 2025 was $13.08. The stock closed the year at $4.464, a loss of over -65.87% for the year.
The table below shows more information about PHIO historical price data:
Date High Low High - Low Volume % Change
Aug 17, 2026 $1.10 $1.06 $0.04 86,806.0 -0.92%
Aug 14, 2026 $1.13 $1.07 $0.06 93,420.0 +0.00%
Aug 13, 2026 $1.10 $1.07 $0.0274 42,816.0 +0.93%
Aug 12, 2026 $1.10 $1.07 $0.03 99,756.0 -0.92%
Aug 11, 2026 $1.09 $1.07 $0.025 219,546.0 +2.83%
Aug 10, 2026 $1.08 $1.02 $0.065 205,733.0 +1.92%
Aug 07, 2026 $1.08 $0.9941 $0.0859 85,561.0 -1.89%
Aug 06, 2026 $1.10 $1.05 $0.05 49,354.0 -0.93%
Aug 05, 2026 $1.09 $1.04 $0.0471 54,580.0 +0.94%
Aug 04, 2026 $1.12 $1.00 $0.12 293,850.0 +2.91%
Aug 03, 2026 $1.04 $0.997 $0.043 66,709.0 +0.49%
Jul 31, 2026 $1.05 $1.00 $0.05 93,070.0 -0.49%
Jul 30, 2026 $1.05 $0.9506 $0.0994 82,975.0 +4.65%
Jul 29, 2026 $1.02 $0.9702 $0.0498 95,026.0 -2.55%
Jul 28, 2026 $1.03 $1.00 $0.035 117,554.0 -3.81%
Jul 27, 2026 $1.07 $1.03 $0.0399 85,754.0 +0.96%
Jul 24, 2026 $1.07 $1.03 $0.04 81,887.0 -2.80%
Jul 23, 2026 $1.11 $1.06 $0.05 107,944.0 +0.94%
Jul 22, 2026 $1.13 $1.06 $0.07 247,279.0 -6.19%
Jul 21, 2026 $1.14 $1.08 $0.06 440,053.0 +4.63%
Jul 20, 2026 $1.11 $0.9962 $0.1137 559,104.0 +4.85%

Phio Pharmaceuticals Corp Stock (PHIO) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Phio Pharmaceuticals Corp stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of PHIO shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Phio Pharmaceuticals Corp stock price history provides a foundation for understanding how the company's stock has evolved over time.

Phio Pharmaceuticals Corp Stock (PHIO) Price History 2026

Month High Low High - Low Volume % Change
Aug, 2026 $1.13 $0.9941 $0.1359 1,298,131.0 +5.37%
Jul, 2026 $1.14 $0.84 $0.30 30,820,276.0 +0.00%
Jun, 2026 $1.15 $0.9598 $0.1852 4,112,541.0 -7.66%
May, 2026 $1.22 $1.04 $0.18 2,916,215.0 -9.02%
Apr, 2026 $1.35 $1.18 $0.17 2,936,602.0 +0.00%
Mar, 2026 $1.35 $0.978 $0.372 8,699,944.0 +7.02%
Feb, 2026 $1.88 $0.8127 $1.07 215,711,032.0 +12.87%
Jan, 2026 $1.22 $1.00 $0.22 7,196,006.0 -3.81%

Phio Pharmaceuticals Corp Stock (PHIO) Price History 2025

Month High Low High - Low Volume % Change
Dec, 2025 $1.43 $1.00 $0.4263 7,666,921.0 -19.05%
Nov, 2025 $4.19 $1.08 $3.11 175,226,244.0 -38.54%
Oct, 2025 $2.48 $1.99 $0.49 1,577,092.0 -17.34%
Sep, 2025 $2.57 $1.96 $0.61 3,209,122.0 +25.89%
Aug, 2025 $2.47 $1.91 $0.56 2,801,061.0 -17.23%
Jul, 2025 $3.48 $2.30 $1.18 53,285,480.0 +1.28%
Jun, 2025 $3.25 $1.96 $1.29 13,815,662.0 +17.50%
May, 2025 $2.16 $1.68 $0.48 17,371,552.0 +4.17%
Apr, 2025 $3.13 $0.9657 $2.16 175,256,820.0 +47.69%
Mar, 2025 $1.44 $1.24 $0.20 1,953,508.0 -8.45%
Feb, 2025 $2.17 $1.36 $0.815 4,702,320.0 -31.07%
Jan, 2025 $9.79 $1.61 $8.18 368,278,123.0 +14.44%

Phio Pharmaceuticals Corp Stock (PHIO) Price History 2024

Month High Low High - Low Volume % Change
Dec, 2024 $3.11 $1.53 $1.58 19,108,200.0 -30.15%
Nov, 2024 $3.70 $2.17 $1.53 978,577.0 -8.72%
Oct, 2024 $3.88 $2.42 $1.46 2,396,243.0 -13.62%
Sep, 2024 $4.00 $2.50 $1.50 936,677.0 +26.84%
Aug, 2024 $3.30 $2.40 $0.90 658,462.0 -15.00%
Jul, 2024 $6.48 $3.12 $3.36 1,495,437.7 -48.61%
Jun, 2024 $7.02 $5.86 $1.16 86,244.1 -5.22%
May, 2024 $8.54 $5.86 $2.68 276,175.8 +5.04%
Apr, 2024 $9.45 $5.44 $4.01 1,028,211.3 +2.21%
Mar, 2024 $10.35 $5.94 $4.41 1,089,759.2 -37.04%
Feb, 2024 $10.05 $4.91 $5.14 689,965.2 +81.82%
Jan, 2024 $7.20 $4.50 $2.70 445,904.7 -21.84%
$64.75
price up icon 2.67%
$36.19
price down icon 0.04%
$59.33
price up icon 1.31%
$128.31
price up icon 3.20%
$224.60
price down icon 1.62%
ONC ONC
$362.31
price up icon 4.41%
Cap:     |  Volume (24h):