NYSE:RUBI

Rubicon Project Stock Price (Quote)

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$4.75
+0.120 (+2.59%)
At Close: Jul 10, 2026

Range Low Price High Price Comment
30 days $4.28 $31.00 Friday, 10th Jul 2026 RUBI stock ended at $4.75. This is 2.59% more than the trading day before Thursday, 9th Jul 2026. During the day the stock fluctuated 3.70% from a day low at $4.59 to a day high of $4.76.
90 days $4.28 $98.50
52 weeks $4.28 $18,135.00

Historical Rubicon Project Inc. prices

Date Open High Low Close Volume
Jul 10, 2026 $4.59 $4.76 $4.59 $4.75 8 769
Jul 09, 2026 $4.45 $4.74 $4.43 $4.63 25 521
Jul 08, 2026 $4.55 $4.63 $4.28 $4.56 16 773
Jul 07, 2026 $4.99 $5.10 $4.66 $4.73 23 623
Jul 06, 2026 $5.16 $5.24 $4.86 $5.05 20 859
Jul 02, 2026 $5.53 $5.70 $4.97 $5.10 39 069
Jul 01, 2026 $5.24 $5.69 $4.75 $5.63 68 979
Jun 30, 2026 $5.72 $6.03 $5.40 $5.43 61 738
Jun 29, 2026 $5.98 $6.22 $5.50 $5.81 128 356
Jun 26, 2026 $5.84 $6.66 $5.22 $6.65 0
Jun 25, 2026 $6.35 $6.75 $5.25 $5.98 144 687
Jun 24, 2026 $7.80 $7.94 $6.92 $7.57 131 383
Jun 23, 2026 $9.50 $10.00 $8.96 $9.78 73 095
Jun 22, 2026 $10.44 $10.50 $9.69 $10.25 75 156
Jun 18, 2026 $10.25 $11.16 $10.00 $10.63 140 659
Jun 17, 2026 $9.78 $16.12 $9.50 $12.50 2 809 551
Jun 16, 2026 $10.69 $11.00 $9.60 $10.55 208 841
Jun 15, 2026 $13.00 $13.00 $10.48 $11.93 1 023 097
Jun 12, 2026 $17.55 $31.00 $11.63 $11.69 10 399 064
Jun 11, 2026 $12.50 $26.75 $12.07 $15.51 6 425 541
Jun 10, 2026 $11.75 $13.00 $11.25 $11.75 36 512
Jun 09, 2026 $12.46 $12.46 $11.32 $12.15 39 222
Jun 08, 2026 $12.50 $12.90 $11.50 $12.90 50 077
Jun 05, 2026 $12.60 $13.88 $12.60 $13.13 35 147
Jun 04, 2026 $12.50 $15.17 $12.50 $13.50 114 389

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 RUBI stock historical prices to predict future price movements?
Trend Analysis: Examine the RUBI 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 RUBI 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 RUBICON PROJECT INC.
Rubicon Project
The Rubicon Project, Inc., a technology company, engages in automating the buying and selling of advertising. The company offers advertising automation platform that creates and powers a marketplace for buyers and sellers to readily buy and sell advertising at scale. Its advertising automation platform features applications for digital advertising sellers, including Websites, mobile applications, and other digital media properties to sell their a...
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