Teledyne Technologies is +9.1% over the past year while the S&P 500 is +18%: 9.2 points behind the market. 1-year return: +9.1% (S&P 500 +18%). vs 200-day average: −0.53%, below trend, but not far. RSI (14): 53, neutral. Below its 52-week high: 11%.

TDYTeledyne Technologies

Technology

$613.72+9.1% 1Y

$613.72

$484.4752 weeks$690.94

What is the market doing?

Mixed

No clear lean: rangebound and insiders net selling (often routine).

3 neutral

TrendRangeboundderived · Oct 9, 2026

Rangebound, no clear trend. Price is −1% vs its 200-day average.

Insider conviction−$4.7M (90 days to Oct 8, 2026)SEC EDGAR · Oct 8, 2026

Insiders were net sellers over the 90 days ending Oct 8, 2026; selling is often routine (taxes, diversification).

Short interest1.9% of sharesFINRA · Sep 15, 2026

Lightly shorted, settled Sep 15, 2026, about a week of normal trading to cover. Down 4.8% since the previous count, down from 3.4% of shares outstanding three months ago.

Against the whole market›

Percentile against every name Ryufin tracks. Higher is better; the tick marks the middle of the market. Context, not one of the checks above.

1-year returnmiddle of the market

vs 200-day avgmiddle of the market

Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.

How TDY is trading

Teledyne Technologies is +9.1% over the past year while the S&P 500 is +18%: 9.2 points behind the market.

+9.1%

1-year return · S&P 500 +18%

vs 200-day average: −0.53%
vs 200-day average · below trend, but not far
RSI (14): 53
RSI (14) · neutral
Below its 52-week high: 11%
Below its 52-week high

Sep 17, 2024$413.01 – $690.94 · dashed line: 200-day averageOct 9, 2026

Details›

Last close2026-10-09: $613.72
1 monthS&P 500 +2.7%: +2.9%
1 yearS&P 500 +18%: +9.1%
5 yearsS&P 500 +88%: +43%
vs 50-day average$630.75: −2.7%
52-week high: $690.94
52-week low: $484.47
Annualised volatility: 24%
Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08: −$4.7M

Calendar-year price return
Year	Return
2026 (year to date)	+20%
2025	+10%
2024	+4.0%
2023	+12%
2022	−8.5%
2021	+11%
2020	+13%
2019	+67%
2018	+14%
2017	+47%

Average return by calendar month, 2016–2026
Month	Years	Positive	Average
Jan	10	6 of 10	+3.8%
Feb	10	8 of 10	+2.2%
Mar	10	6 of 10	−0.30%
Apr	10	5 of 10	+0.24%
May	10	4 of 10	+0.34%
Jun	10	3 of 10	−0.75%
Jul	11	9 of 11	+5.1%
Aug	11	8 of 11	+2.6%
Sep	11	6 of 11	+0.45%
Oct	11	6 of 11	+0.69%
Nov	10	8 of 10	+6.0%
Dec	10	5 of 10	+0.21%

End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.

Scientific & Technical Instruments

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