Historical Stock Price
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Video: Compound Annual Growth Rate (CAGR) Definition
Date Open High Low Close Volume
10/09/2026 $30.06 $30.23 $29.48 $29.62 417.60K
10/12/2026 $29.30 $29.43 $29.02 $29.24 734.50K
10/13/2026 $28.73 $29.16 $28.51 $29.12 637.90K
10/14/2026 $28.45 $28.75 $27.93 $28.36 900.40K
10/15/2026 $27.75 $28.71 $27.04 $28.53 1.11M
Photronics, Inc. is a manufacturer of integrated circuit (IC) and flat panel display (FPD) photomasks. Photomasks are a key element in the manufacture of ICs and FPDs and are used as masters to transfer circuit patterns onto semiconductor wafers and FPD substrates during the fabrication of ICs, a variety of FPDs and, to a lesser extent, other types of electrical and optical components. Co. sells its photomasks to semiconductor designers and manufacturers, and manufacturers of FPDs. Photomask technology is also being applied to the fabrication of other electronic products such as photonics, microelectronic mechanical systems, and certain nanotechnology applications.
PLAB historical stock prices picture
Photronics (PLAB) has the following price history information. Looking back at PLAB historical stock prices for the last five trading days, on October 09, 2026, PLAB opened at $30.06, traded as high as $30.23 and as low as $29.48, and closed at $29.62. Trading volume was a total of 417.60K shares. On October 12, 2026, PLAB opened at $29.30, traded as high as $29.43 and as low as $29.02, and closed at $29.24. Trading volume was a total of 734.50K shares. On October 13, 2026, PLAB opened at $28.73, traded as high as $29.16 and as low as $28.51, and closed at $29.12. Trading volume was a total of 637.90K shares. On October 14, 2026, PLAB opened at $28.45, traded as high as $28.75 and as low as $27.93, and closed at $28.36. Trading volume was a total of 900.40K shares. On October 15, 2026, PLAB opened at $27.75, traded as high as $28.71 and as low as $27.04, and closed at $28.53. Trading volume was a total of 1.11M shares.

PLAB Historical Stock Prices By Date:

PLAB historical cagr picture

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

Growth of $10,000.00
Without Dividends Reinvested

Start date: 10/18/2016
End date: 10/15/2026
Start price/share: $10.00
End price/share: $28.53
Dividends collected/share: $0.00
Total return: 185.30%
Average Annual Total Return: 11.06%
Starting investment: $10,000.00
Ending investment: $28,539.86
Years: 10.00
Date Close
10/09/2026$29.62
10/12/2026$29.24
10/13/2026$29.12
10/14/2026$28.36
10/15/2026$28.53
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Also explore: PLAB shares outstanding history

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