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Arphra AIPlain-English read on Martin Marietta Materials, Inc.’s valuationTrend
Bear
Below a key MA
RSI (14)
68
Neutral
ADX (14)
29
Strong · +DI
52w position
32%
Mid-range
Price · trailing year
· prices_daily · trend_signalsprice
708650591533
Jun 25Sep 25Dec 25Mar 26Jun 26
50-DMA
$590.46
-0.3%
200-DMA
$618.77
-4.8%
Vol · 20d
2.2%
annualized
Return · 3m
0.3%
trailing
Key levels
· MAs · Donchian200-DMA$618.77
Donchian hi$603.68
50-DMA$590.46
Spot$588.89
Donchian lo$525.38
Signals
Golden cross (50>200)Inactive
Above 50 & 200 DMAMixed
ADX trend strengthStrong
RSI regimeNeutral
CTA / Trend signal · Jun 15, 2026
Bear trend
Trend score
48 / 100
Spot
$588.89
1M +1.33% · 3M +0.26%
MLM is in a bear trend; with SMA50 below SMA200; ADX = 29.1 indicates a strong directional move.
SMA cross
Death cross (SMA50 < SMA200)
ADX(14)
29.1 · Strong trend
RSI(14)
68.4 · Bullish band
Donchian position
81% of 20d range
Vol 20d
2.15% · Normal vol
±DI
+39.0 / −18.3
Price · daily candles with overlays
MLM — SMA(50), SMA(200), Donchian, RSI, ADX
Methodology
- Indicators computed daily with SQL window functions over
prices_daily. See/api/cron/trend-signals. - Regime: bull (close > SMA200, SMA50 > SMA200) · bear (mirror of bull) · breakout up/down (close pierces 20-day Donchian with ADX > 20) · neutral otherwise.
- Trend score 0..100 = 0.30 · SMA cross + 0.25 · ADX strength + 0.20 · Donchian position + 0.15 · RSI band + 0.10 · vol regime.