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Teledyne Technologies Inc (TDY) stock

TDYNYSESearch, Detection, Navigation, Guidance, Aeronautical SysFiscal year ends January 3
Financials through Q2 FY2026, quarter ended Jun 28, 2026Last filing: 10-Q on Oct 23, 2026Score 12/3018% above fair value
$658.23−19.23 (-2.84%)

Close on Oct 30, 2026Market cap $30.51BP/E 31.8Yield –

Price history

Teledyne Technologies share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$658.23
-2.84% on the day
52-week range
$483.02 – $697.67
-5.7% from the high
Change over 52 weeks
+27.1%
From $517.75 on Oct 30, 2025
Average volume
335,773
Shares a day, last 90 sessions
DateOpenHighLowCloseChangeVolume
Oct 30, 2026$668.70$678.99$647.70$658.23-2.84%480,369
Oct 29, 2026$666.39$679.01$665.27$677.46+1.79%363,939
Oct 28, 2026$658.05$667.48$655.40$665.56+1.61%321,788
Oct 27, 2026$648.99$655.40$640.52$654.99+1.47%253,990
Oct 26, 2026$630.50$653.88$627.69$645.47+3.21%443,327
Oct 23, 2026$620.88$630.47$612.50$625.41+0.80%368,621
Oct 22, 2026$634.67$635.13$610.06$620.47-1.53%493,867
Oct 21, 2026$637.00$648.90$625.01$630.10-0.33%840,663
Oct 20, 2026$616.65$632.45$616.04$632.21+2.01%733,481
Oct 19, 2026$621.48$624.22$613.92$619.76+0.19%296,093
Oct 16, 2026$620.21$626.76$614.57$618.60-0.21%299,719
Oct 15, 2026$607.75$620.37$602.47$619.91+1.81%280,721
Oct 14, 2026$607.80$611.67$604.44$608.90-0.38%256,306
Oct 13, 2026$613.65$616.02$600.02$611.21-0.40%218,495
Oct 12, 2026$613.28$616.37$611.56$613.660.00%205,186
Oct 9, 2026$608.36$616.04$604.40$613.66+1.46%184,688
Oct 8, 2026$602.62$612.81$599.73$604.82+0.11%342,194
Oct 7, 2026$614.31$616.57$602.00$604.15-2.90%300,734
Oct 6, 2026$622.11$625.35$618.42$622.22+0.42%169,448
Oct 5, 2026$617.30$623.85$614.51$619.64+0.40%169,220
Oct 2, 2026$619.56$621.46$612.61$617.17+0.73%181,907
Oct 1, 2026$606.40$615.43$602.66$612.70+0.97%261,052
Sep 30, 2026$607.30$610.42$604.86$606.81+0.20%209,467
Sep 29, 2026$607.89$614.84$601.93$605.59-0.86%248,529
Sep 28, 2026$611.02$615.43$605.16$610.83-0.54%298,051
Sep 25, 2026$614.50$619.10$611.72$614.15+0.35%259,457
Sep 24, 2026$614.16$623.85$610.01$612.02-1.45%368,613
Sep 23, 2026$612.33$624.58$611.86$621.05+1.36%466,544
Sep 22, 2026$612.49$614.35$605.58$612.74+0.60%351,951
Sep 21, 2026$609.85$612.00$603.99$609.08+0.93%306,512

Seasonality

TDY return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average3.8%2.2%-0.3%0.2%0.3%0.1%4.3%2.5%0.4%1.5%4.9%0.4%
Months up6 of 108 of 106 of 105 of 104 of 104 of 107 of 107 of 105 of 106 of 107 of 95 of 9
202621.5%9.8%-11.2%6.8%-4.0%7.6%-1.7%-6.5%-1.0%8.5%
202510.2%0.7%-3.4%-6.4%7.0%2.7%7.6%-2.3%8.9%-10.1%-5.2%2.2%
2024-6.2%2.1%0.5%-11.1%4.1%-2.3%8.7%2.6%1.1%4.0%6.6%-4.4%
20236.1%1.4%4.0%-7.4%-6.2%5.8%-6.5%8.8%-2.3%-8.3%7.6%10.8%
2022-3.5%1.9%10.1%-8.7%-6.1%-7.4%4.3%-5.9%-8.4%17.9%5.6%-4.8%
2021-8.9%3.9%11.5%8.2%-6.3%-0.2%8.1%2.3%-7.3%4.6%-7.6%5.2%
20205.3%-7.6%-11.9%9.6%14.9%-16.9%-1.4%2.3%-1.1%-0.3%22.3%3.7%
20198.3%5.3%0.4%4.9%-5.1%16.1%6.4%5.9%4.3%2.4%3.8%1.3%
20185.4%-2.6%0.7%-0.0%7.7%-1.2%10.2%8.1%4.0%-10.3%1.5%-7.8%
2017-0.1%7.0%-3.8%6.6%-2.5%-2.9%6.8%10.1%6.1%6.8%9.6%-2.7%