3M Company (MMM) stock chart and technical analysis

Indicator summary: Neutral (2 bullish, 2 bearish, 1 neutral). As of 2026-09-18, the close was $165.91: 3.5% below the 50-day average and 4.1% above the 200-day average, which is rising. RSI (14) is 42, in its neutral range. MACD is bearish. The stock sits 61% of the way up its 52-week range of $138.03 to $184.09, on 1.7x its 20-day average volume.

Indicator	Reading	Read
50-day average	$172.02	Price 3.5% below
200-day average	$159.41	Price 4.1% above, average rising
50 vs 200-day	50 above 200	Golden-cross alignment
RSI (14)	42	Neutral range
MACD (12, 26, 9)	-2.96 vs -2.38	Line below signal
52-week range	$138.03 to $184.09	61% of the way up the range
Volume vs 20-day average	1.7x	Heavy

What followed this setup for MMM

When it closed above its 200-day average (4,225 days), it was higher 63 trading days later 63% of the time, median +3.2%.
When it closed below its 50-day average (2,639 days), it was higher 63 trading days later 61% of the time, median +4.4%.
When it had MACD below its signal line (3,315 days), it was higher 63 trading days later 62% of the time, median +3.4%.
All days since 1999 (6,698 days): higher 63 trading days later 60% of the time, median +2.8%.

Base rates use MMM's own daily history since 1999; they describe the past, not a forecast.

ŷRobot chart signal: Hold, from the chart signal model.

MMM analysis: AI score, fair value and forecast · Is it a bull or a bear market today? · All covered stocks

ŷRobot analysis is AI-generated and quality-gated; nothing here is investment advice.