$Berkshire Hathaway(BRK.B)$ Berkshire Hathaway Class B (BRK.B)

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looks short-term extended, but not yet technically broken. The signal is “overbought near a breakout,” rather than a confirmed exhaustion reversal.

Momentum is hot: RSI(6) was 79.25 on 2026-11-02; RSI(12) was 75.73 and RSI(24) 70.00 . All are in traditionally overbought territory. The MACD remains bullish (DIF 10.14 above DEA 8.93 ), though its histogram of 2.42 is well below the October peak, indicating momentum has cooled from its fastest rate of acceleration.

Price is extended from its trend base: at US$556.11 on 2026-11-03, BRK.B was 2.08% above its 5-day MA and 4.60% above its 20-day MA —about 3.44× the 20-day ATR above that 20-day average. That is a meaningful short-term stretch for a typically lower-volatility large-cap.

Near the upper edge, but not decisively outside it: the 20-day Bollinger upper band was US$560.55 , placing the price only 0.79% below it. A close beyond that band with sustained volume could represent a continuation breakout; failure near it would more often lead to consolidation toward the short moving averages.

The price location is elevated: it traded as high as US$557.59 , the 52-week high, and sits at the 98.42nd percentile of its 52-week range. The 20-day gain is 10.28% , while the volume ratio of 1.52 indicates above-normal participation rather than a low-volume drift.

PB supports the “less margin for error” view, not a technical sell signal: PB is 1.59x , versus a five-year median of 1.50x —a 5.95% premium . The five-year valuation analysis places roughly 1.59x around its upper historical band. This is not an extreme valuation by itself, but it means the run-up has taken the shares above their typical book-value multiple.

What would change the read: Holding above the recent US$557–561 area with continued stronger-than-normal volume would favor trend continuation despite overbought RSI. Conversely, an inability to hold the recent breakout area around US$550 , followed by a loss of the 5-day average near US$545 , would suggest that the stretched momentum is reverting toward the 20-day average near US$532 .

The main risk to the bullish technical interpretation is that RSI remains elevated while MACD momentum continues to fade—often an early sign that upside is becoming less efficient. The counter-risk to a pullback thesis is that strong price/volume confirmation above the 52-week high can keep an overbought trend extended longer than expected.

Berkshire Hathaway

556.11

13.62

+13.62(2.51%)

Post-market:

556.50

0.3894

0.07%

19:16 EST

Information is for reference only and does not constitute investment advice.