$MU support and resistance levels, and what followed

Micron Technology - October 19 chart update

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.

9 notes, newest first, back to Mon, 12 Oct 2026.

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Mon, 19 Oct 2026

905.92 October 19 regular-session observation; not a completed daily close

$MU — $905.92, below Friday's $907.50 high. 50-day: $983.12; 200-day: $717.84. Friday low: $875.00.

After	Close	vs Mon, 19 Oct 2026 close	vs published price
1 session	896.07	—	-1.09%

October 16 regular close 878.84 — published above, latest close belowcrossed
20-session SMA through October 16 1,033.00 — published below, latest close below
50-session SMA through October 16 983.12 — published below, latest close below
200-session SMA through October 16 717.84 — published above, latest close above
Oct 16 intraday high 907.50 — published below, latest close below
Oct 16 intraday low 875.00 — published above, latest close above
Oct 13 gap $953.60-$978.50 953.60 — published below, latest close below

Sun, 18 Oct 2026

878.84 October 16 completed regular close; 2026-10-18 weekend research edition

Below the 50-day average and above the 200-day average at the October 16 regular close.

After	Close	vs Sun, 18 Oct 2026 close	vs published price
1 session	904.90	—	+2.97%
5 sessions	877.55	—	-0.15%

20-session SMA through October 16 1,033.003 — published below, latest close below
50-session SMA through October 16 983.118 — published below, latest close below
200-session SMA through October 16 717.839 — published above, latest close above
October 15 intraday low 858.00 — published above, latest close above
2026-10-13 remaining downward daily gap 953.60 — published below, latest close below

Sun, 18 Oct 2026

878.84 October 16 regular close as separate stock-price context

Product mix and end-market mix are separate category definitions.

After	Close	vs Sun, 18 Oct 2026 close	vs published price
1 session	904.90	—	+2.97%
5 sessions	877.55	—	-0.15%

Sun, 18 Oct 2026

878.84 October 16 regular close as separate stock-price context

Net capex, financing deposits and partnership adjustments require different treatment.

After	Close	vs Sun, 18 Oct 2026 close	vs published price
1 session	904.90	—	+2.97%
5 sessions	877.55	—	-0.15%

Thu, 15 Oct 2026

874.25 October 15 premarket observation 2026-10-15T08:35:09-04:00

MU: October 14 regular close $914.13; October 15 observed premarket $874.25 (-4.36%).

After	Close	vs Thu, 15 Oct 2026 close	vs published price
1 session	878.84	-5.63%	+0.53%
5 sessions	856.49	-8.03%	-2.03%

This note was marked to a October 15 premarket observation 2026-10-15T08:35:09-04:00, not a close. The like-for-like column is the one measured from the Thu, 15 Oct 2026 close.

Aug 12 daily gap 879.00 — published below, latest close below
Aug 11 low 844.62 — published above, latest close above
Oct 14 low 913.56 — published below, latest close below
Sep 14 low 902.60 — published below, latest close below
20-session SMA through October 14 1,042.164 — published below, latest close below
50-session SMA through October 14 982.409 — published below, latest close below
200-session SMA through October 14 711.724 — published above, latest close above

Thu, 15 Oct 2026

931.24 October 15 completed regular close — After Close edition

Micron Technology closed at $931.24 (+1.87% versus October 14). The closing chart compares the retained morning setup with the completed session and dated daily references.

After	Close	vs Thu, 15 Oct 2026 close	vs published price
1 session	878.84	—	-5.63%
5 sessions	856.49	—	-8.03%

20-session SMA 1,039.85 — published below, latest close below
50-session SMA 983.17 — published below, latest close below
200-session SMA 714.91 — published above, latest close above
Aug 12 gap / crossed 879.00 — published above, latest close belowcrossed
Aug 11 low 844.62 — published above, latest close above
Oct 14 low / recovered 913.56 — published above, latest close belowcrossed
Oct 15 low 858.00 — published above, latest close above

Thu, 15 Oct 2026

931.24 October 15 completed regular close — historical context

MU: selected 2026-06-25 closing peak to 2026-07-29 trough -39.10%; separate trough-to-October 15 rebound 26.01%.

After	Close	vs Thu, 15 Oct 2026 close	vs published price
1 session	878.84	—	-5.63%
5 sessions	856.49	—	-8.03%

Selected closing peak 2026-06-25 1,213.56 — published below, latest close below
Subsequent closing trough 2026-07-29 739.00 — published above, latest close above

Tue, 13 Oct 2026

953.19 October 13 regular-session close

Micron closed at $953.19, off its $929.03 session low but below the $981.98 50-session average.

After	Close	vs Tue, 13 Oct 2026 close	vs published price
1 session	914.13	—	-4.10%
5 sessions	896.07	—	-5.99%

50-session SMA 981.98 — published below, latest close below
Morning observed high 968.70 — published below, latest close below
October 13 intraday high 953.60 — published below, latest close below
October 13 intraday low 929.03 — published above, latest close belowcrossed
20-session SMA 1,042.78 — published below, latest close below

Mon, 12 Oct 2026

989.04 live price during the 12 October session

MU is 9.8% below its 1 October close of 1,097.39, marked at 989.04.

After	Close	vs Mon, 12 Oct 2026 close	vs published price
1 session	953.19	-3.62%	-3.62%
5 sessions	904.90	-8.51%	-8.51%

This note was marked to a live price during the 12 October session, not a close. The like-for-like column is the one measured from the Mon, 12 Oct 2026 close.

1 October close 1,097.39 — published below, latest close below
9 October close 1,029.00 — published below, latest close below

More on this name $MU

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