MD
MDY
SPDR S&P Midcap 400 ETF Trust
$672.62
1M -5.9%
3M -3.0%
YTD +10.0%
as of 2026-09-14
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Model view — historical tendencies for the days ahead, not a forecast
Seasonality
No real seasonal tilt
Next 30 days (to Oct 15): +0.2% median,
50% of the last 30 years finished up.
20-year seasonality chart →
Mean reversion
Neutral — RSI(2) at 24
RSI(2) under 15 is oversold (this name has historically bounced); over 85 is overbought.
Its dip-buy edge in history is -0.01%/day.
Mean-reversion stats →
1-month breakdown —
Market · β 0.97 -0.5% · Seasonal tilt -0.4%
$348M/day volume
15% volatility
+11% 1-year
-6% from ATH
52-week range · 70% of the way up · -6% from the high
$568.21$717.35
Data from the U.S. House Clerk and FINRA, plus end-of-day prices. Not investment advice.