NASDAQ:PHIO

Phio Pharmaceuticals Stock Price (Quote)

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$1.05
+0.0200 (+1.94%)
At Close: Jun 22, 2026

Range Low Price High Price Comment
30 days $1.03 $1.15 Monday, 22nd Jun 2026 PHIO stock ended at $1.05. This is 1.94% more than the trading day before Thursday, 18th Jun 2026. During the day the stock fluctuated 3.85% from a day low at $1.04 to a day high of $1.08.
90 days $1.03 $1.35
52 weeks $0.83 $4.19

Historical Phio Pharmaceuticals Corp. prices

Date Open High Low Close Volume
Jun 22, 2026 $1.04 $1.08 $1.04 $1.05 236 263
Jun 18, 2026 $1.09 $1.09 $1.03 $1.03 221 866
Jun 17, 2026 $1.08 $1.13 $1.07 $1.08 146 111
Jun 16, 2026 $1.09 $1.12 $1.06 $1.06 191 100
Jun 15, 2026 $1.09 $1.12 $1.08 $1.10 210 895
Jun 12, 2026 $1.07 $1.10 $1.07 $1.07 103 893
Jun 11, 2026 $1.07 $1.08 $1.06 $1.08 175 545
Jun 10, 2026 $1.08 $1.10 $1.06 $1.06 190 404
Jun 09, 2026 $1.09 $1.13 $1.08 $1.08 175 148
Jun 08, 2026 $1.07 $1.11 $1.05 $1.09 224 670
Jun 05, 2026 $1.11 $1.13 $1.05 $1.06 125 007
Jun 04, 2026 $1.11 $1.15 $1.09 $1.14 91 769
Jun 03, 2026 $1.10 $1.12 $1.09 $1.11 54 291
Jun 02, 2026 $1.12 $1.13 $1.11 $1.12 98 818
Jun 01, 2026 $1.08 $1.14 $1.08 $1.13 261 037
May 29, 2026 $1.14 $1.14 $1.11 $1.11 100 676
May 28, 2026 $1.12 $1.14 $1.10 $1.14 110 224
May 27, 2026 $1.08 $1.12 $1.08 $1.10 131 212
May 26, 2026 $1.09 $1.11 $1.08 $1.08 183 616
May 22, 2026 $1.10 $1.13 $1.09 $1.09 114 180
May 21, 2026 $1.08 $1.10 $1.07 $1.09 39 446
May 20, 2026 $1.07 $1.08 $1.06 $1.08 56 014
May 19, 2026 $1.09 $1.10 $1.06 $1.06 79 111
May 18, 2026 $1.06 $1.10 $1.06 $1.08 121 343
May 15, 2026 $1.10 $1.12 $1.05 $1.07 228 660

FAQ

What are historical stock prices?
Historical stock prices refer to a stock’s recorded prices at various past points. These prices include several key figures that help investors and analysts evaluate a stock’s performance over time:
Open: Open price for the trading day.
High: Highest price for the trading day.
Low: Lowest price for the trading day.
Close: Close price for the trading day.

Additionally, historical prices often include:
Volume is the number of shares traded during the day. It indicates how actively a stock was traded and can provide insights into market sentiment and liquidity.

How can I use PHIO stock historical prices to predict future price movements?
Trend Analysis: Examine the PHIO stock’s historical trends to identify patterns that might continue.
Moving Averages: Use moving averages to detect potential reversal points.
Momentum Indicators: Apply indicators like RSI or MACD to assess the momentum and strength of price movements.
Volume Analysis: Analyze trading volume alongside price changes to gauge trend strength.
Statistical Methods: Use statistical tools such as regression analysis to model and forecast future prices based on past data.
These techniques can provide insights but should be used with risk management practices to mitigate potential losses.

What impact do stock splits have on historical price data?
When a company performs a stock split, it adjusts the historical price data to reflect the new, lower trading price as if it had always been that way.

This ensures consistency for anyone analyzing the stock’s past prices. The adjustment helps prevent misleading signals on charts, such as false sell signals or bearish trends that aren’t there. For instance, in a 2-for-1 stock split, the price per share is cut in half, which would otherwise appear as a dramatic drop on the chart. If someone didn’t know about the split, they might wrongly think something negative happened to the company. Most technical indicators would also react to this apparent drop by signaling to sell.

A stock split, while making the shares seem more affordable and potentially more attractive to investors, doesn’t alter the company’s fundamental value.

Why do the PHIO stock historical prices show a range for periods like 30 days, 90 days, and 52 weeks?
The range provides the lowest and highest prices at which the stock has traded during the specified period. This helps investors understand the stock’s volatility and price variability within that timeframe.

How can I use historical price volatility to assess risk?
High price volatility historically indicates higher risk and potentially higher returns. Investors can gauge the stock’s risk level by examining the range between high and low prices over various periods.
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ABOUT PHIO PHARMACEUTICALS CORP.
Phio Pharmaceuticals
Phio Pharmaceuticals Corp. develops immuno-oncology therapeutics in the United States. It offers INTASYL therapeutic platform focuses on targeting tumor and immune cells by regulating genes of the immune system. The company develops PH-762 that activates immune cells to recognize and kill cancer cells by reducing the expression of the checkpoint protein PD-1 for immunotherapy in adoptive cell transfer (ACT); PH-894 that silences the epigenetic pr...
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