NASDAQ:SEIC

Sei Investments Company Stock Price (Quote)

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$90.21
-0.300 (-0.331%)
At Close: Jun 23, 2026

Range Low Price High Price Comment
30 days $86.26 $91.95 Tuesday, 23rd Jun 2026 SEIC stock ended at $90.21. This is 0.331% less than the trading day before Monday, 22nd Jun 2026. During the day the stock fluctuated 1.98% from a day low at $89.72 to a day high of $91.50.
90 days $75.08 $93.00
52 weeks $75.08 $93.81

Historical SEI Investments Company prices

Date Open High Low Close Volume
Jun 23, 2026 $90.68 $91.50 $89.72 $90.21 552 627
Jun 22, 2026 $90.20 $90.79 $89.01 $90.51 510 171
Jun 18, 2026 $91.95 $91.95 $88.87 $89.44 1 610 922
Jun 17, 2026 $90.67 $91.54 $90.05 $91.01 627 123
Jun 16, 2026 $90.43 $91.49 $89.06 $90.73 615 010
Jun 15, 2026 $89.87 $90.52 $89.33 $89.57 549 457
Jun 12, 2026 $88.71 $89.78 $88.05 $89.40 499 100
Jun 11, 2026 $88.76 $88.92 $87.66 $88.15 402 409
Jun 10, 2026 $89.83 $90.89 $88.76 $88.80 439 852
Jun 09, 2026 $88.95 $91.40 $88.69 $90.26 740 794
Jun 08, 2026 $88.36 $89.39 $87.81 $88.24 502 945
Jun 05, 2026 $88.93 $89.66 $88.70 $89.42 700 265
Jun 04, 2026 $87.85 $89.29 $87.85 $88.58 505 600
Jun 03, 2026 $87.39 $87.55 $86.26 $87.01 586 899
Jun 02, 2026 $88.32 $88.74 $87.39 $87.77 509 915
Jun 01, 2026 $87.75 $88.77 $87.45 $88.32 638 901
May 29, 2026 $88.32 $89.12 $87.67 $87.88 1 066 709
May 28, 2026 $89.57 $89.57 $87.96 $88.60 695 810
May 27, 2026 $90.88 $91.27 $89.55 $89.68 400 169
May 26, 2026 $90.77 $91.10 $90.14 $90.76 556 520
May 22, 2026 $90.00 $91.11 $90.00 $90.53 521 966
May 21, 2026 $90.26 $90.89 $88.73 $89.59 624 843
May 20, 2026 $91.20 $91.48 $89.94 $90.77 666 852
May 19, 2026 $91.59 $92.58 $90.93 $91.04 592 690
May 18, 2026 $90.40 $92.69 $90.34 $92.01 661 040

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 SEIC stock historical prices to predict future price movements?
Trend Analysis: Examine the SEIC 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 SEIC 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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