IB
IBB
iShares Biotechnology ETF
$202.93
1M +1.1%
3M +19.0%
YTD +20.1%
as of 2026-09-11
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Model view — historical tendencies for the days ahead, not a forecast
Seasonality
Weak window historically
Next 30 days (to Oct 14): -2.7% median,
38% of the last 24 years finished up.
20-year seasonality chart →
Mean reversion
Oversold — RSI(2) at 12
RSI(2) under 15 is oversold (this name has historically bounced); over 85 is overbought.
Its dip-buy edge in history is -0.02%/day.
Mean-reversion stats →
1-month breakdown —
Market · β 0.79 -0.1% · Seasonal tilt -1.2%
$333M/day volume
22% volatility
+44% 1-year
-6% from ATH
52-week range · 82% of the way up · -6% from the high
$138.79$217.12
Data from the U.S. House Clerk and FINRA, plus end-of-day prices. Not investment advice.