BSXBoston Scientific

$42.75-56% 1Y

What is the market doing?

Mixed

No clear lean: insiders cluster-buying, but in a downtrend (−33% vs 200-day).

1 good, 1 to watch, 1 neutral
TrendDowntrendderived · Oct 9, 2026

In a downtrend, below its 50- and 200-day averages. Price is −33% vs its 200-day average.

Insider conviction+$9.5M (90 days to Oct 8, 2026)SEC EDGAR · Oct 8, 2026

Multiple insiders bought with their own money, the strongest form of the signal (the 90 days ending Oct 8, 2026).

Short interest3.1% of sharesFINRA · Sep 15, 2026

Moderately shorted, settled Sep 15, 2026, a few days of normal trading to cover. Down 3.5% since the previous count, up from 2.0% 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 returnbottom 2% of the market
vs 200-day avgbottom 5% of the market

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

How BSX is trading

Boston Scientific is −56% over the past year while the S&P 500 is +18%: 75 points behind the market. Through the fall, its own insiders bought $10M more stock than they sold.

−56%

1-year return · S&P 500 +18%

vs 200-day average
−33%

vs 200-day average · a clear downtrend

RSI (14)
42

RSI (14) · neutral

Below its 52-week high
59%

Below its 52-week high

Sep 17, 2024$41.58 – $108.14 · dashed line: 200-day averageOct 9, 2026
Details›
Last close2026-10-09
$42.75
1 monthS&P 500 +2.7%
−0.81%
1 yearS&P 500 +18%
−56%
5 yearsS&P 500 +88%
−3.3%
vs 50-day average$46.54
−8.1%
52-week high
$104.98
52-week low
$41.58
Annualised volatility
31%
Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-08
$10M
Calendar-year price return
YearReturn
2026 (year to date)−55%
2025+6.8%
2024+55%
2023+25%
2022+8.9%
2021+18%
2020−20%
2019+28%
2018+43%
2017+15%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan106 of 10+4.6%
Feb107 of 10−0.44%
Mar105 of 10−2.6%
Apr107 of 10+3.4%
May106 of 10−0.18%
Jun107 of 10+0.69%
Jul116 of 11+1.9%
Aug118 of 11+2.9%
Sep113 of 11−2.0%
Oct114 of 11−1.5%
Nov106 of 10+0.23%
Dec106 of 10+1.6%

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.