Historical Stock Price
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Date Open High Low Close Volume
12/02/2025 $3.28 $3.44 $3.23 $3.36 51.40K
12/03/2025 $3.37 $3.96 $3.31 $3.79 740.40K
12/04/2025 $3.78 $3.95 $3.66 $3.91 150.90K
12/05/2025 $3.90 $3.93 $3.73 $3.73 113.90K
12/08/2025 $3.76 $3.76 $3.53 $3.59 107.30K
Cyngn Inc. is an autonomous vehicle (AV) technology company that is focused on addressing industrial uses for autonomous vehicles. Co. integrates its full-stack autonomous driving software, DriveMod, onto vehicles manufactured by an original equipment manufacturer (OEM) either via retrofit of existing vehicles or by integration directly into vehicle assembly. It designs the Enterprise Autonomy Suite (EAS) to be compatible with sensors and components from hardware technology providers and integrates its proprietary AV software to produce differentiated autonomous vehicles.
CYN historical stock prices picture
Cyngn (CYN) has the following price history information. Looking back at CYN historical stock prices for the last five trading days, on December 02, 2025, CYN opened at $3.28, traded as high as $3.44 and as low as $3.23, and closed at $3.36. Trading volume was a total of 51.40K shares. On December 03, 2025, CYN opened at $3.37, traded as high as $3.96 and as low as $3.31, and closed at $3.79. Trading volume was a total of 740.40K shares. On December 04, 2025, CYN opened at $3.78, traded as high as $3.95 and as low as $3.66, and closed at $3.91. Trading volume was a total of 150.90K shares. On December 05, 2025, CYN opened at $3.90, traded as high as $3.93 and as low as $3.73, and closed at $3.73. Trading volume was a total of 113.90K shares. On December 08, 2025, CYN opened at $3.76, traded as high as $3.76 and as low as $3.53, and closed at $3.59. Trading volume was a total of 107.30K shares.

CYN Historical Stock Prices By Date:

CYN historical cagr picture

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Cyngn shares, starting with a $10,000 purchase of CYN, and working forward through the historical stock price information to today.

Growth of $10,000.00
Without Dividends Reinvested

Start date: 10/21/2021
End date: 12/08/2025
Start price/share: $113,100.00
End price/share: $3.59
Dividends collected/share: $0.00
Total return: -100.00%
Average Annual Total Return: -91.84%
Starting investment: $10,000.00
Ending investment: $0.32
Years: 4.13
Date Close
12/02/2025$3.36
12/03/2025$3.79
12/04/2025$3.91
12/05/2025$3.73
12/08/2025$3.59
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