$MMM support and resistance levels, and what followed

3M Company - October 20 reported Q3 financial review

Each note as it was published, with the price that followed. We publish where price sits against its own levels, not where it is going, so nothing here is scored as right or wrong. Educational commentary, not investment advice.

4 notes, newest first, back to Sat, 17 Oct 2026.

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Tue, 20 Oct 2026

Q3 GAAP EPS $2.63 and adjusted EPS $2.50 remain separate; prior adjusted EPS $2.23 is restated to the same amortization basis. GAAP OCF $486 million plus special-item adjustments $967 million less cash PPE $256 million equals company adjusted FCF $1,197 million. FY guidance includes acquisition and accounting-basis changes.

After	Close	vs Tue, 20 Oct 2026 close	vs published price
1 session	174.74	—	—

This note was marked to a Financial chart only; no stock quote or price reaction asserted, not a close. The like-for-like column is the one measured from the Tue, 20 Oct 2026 close.

Tue, 20 Oct 2026

163.81 October 20 premarket observation / separate from completed daily history

October 20 premarket observation $163.81 (+1.11%) versus the October 19 regular close $162.01; the observation is below the completed-history 20-day $164.82 and 50-day $169.87 averages, and above the 200-day $160.72 average. No cause for the price move is asserted.

After	Close	vs Tue, 20 Oct 2026 close	vs published price
1 session	174.74	+1.97%	+6.67%

This note was marked to a October 20 premarket observation / separate from completed daily history, not a close. The like-for-like column is the one measured from the Tue, 20 Oct 2026 close.

20-session SMA through October 19 164.82 — published below, latest close abovecrossed
50-session SMA through October 19 169.87 — published below, latest close abovecrossed
200-session SMA through October 19 160.72 — published above, latest close above
Oct 19 intraday high 164.85 — published below, latest close abovecrossed
Oct 19 intraday low 161.95 — published above, latest close above
Oct 16 regular close 164.75 — published below, latest close abovecrossed

Tue, 20 Oct 2026

162.01 October 19 completed regular-session close / no premarket quote asserted

Monday's completed close $162.01 was above the $160.72 200-day but below the $164.82 20-day and $169.87 50-day. The $164.85 Monday intraday high is near the recovery area around $165.00. This version asserts no new premarket quote.

After	Close	vs Tue, 20 Oct 2026 close	vs published price
1 session	174.74	—	+7.86%

20-session SMA through October 19 164.82 — published below, latest close abovecrossed
50-session SMA through October 19 169.87 — published below, latest close abovecrossed
200-session SMA through October 19 160.72 — published above, latest close above
Oct 19 intraday high 164.85 — published below, latest close abovecrossed
Oct 19 intraday low 161.95 — published above, latest close above
Oct 16 regular close 164.75 — published below, latest close abovecrossed

Sat, 17 Oct 2026

164.75 October 16 regular close

October 16 close $164.75 was below the 50-session SMA ($170.29) and above the 200-session SMA ($160.71). Earnings preview for October 19-23; historical levels do not bound an earnings gap.

After	Close	vs Sat, 17 Oct 2026 close	vs published price
1 session	162.01	—	-1.66%
5 sessions	173.46	—	+5.29%

50-session SMA 170.286 — published below, latest close abovecrossed
200-session SMA 160.712 — published above, latest close above

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