ALAB technical analysis
ALAB Technical Analysis
Analysis date
August 6, 2026
Market
NasdaqGS (USD)
Daily cutoff
August 5, 2026
Reliability
Passed
Informational use only. This page is not investment advice.
Data verification
ALAB Data Verification
Checking the latest completed daily bar for date and closing-price consistency before indicators are calculated.
- Symbol
- ALAB
- Market
- NasdaqGS
- Currency
- USD (US Dollar)
- Latest completed bar
- August 5, 2026
Historical prices are adjusted for corporate actions when applicable. Date and closing-price consistency checks passed for the latest completed daily bar.
| Validation series | Latest Close | Date | Difference | Status |
|---|---|---|---|---|
| Calculation series | 318.43 | August 5, 2026 | - | Verified |
| Verification series | 318.43 | August 5, 2026 | 0.00% | Verified |
Bottom line
ALAB Technical Analysis Summary
ALAB (Astera Labs) is in a volatile correction after a parabolic rally to a 52-week high of 499.48 in late June 2026. On the daily chart, price at 318.43 sits below SMA20 (325.56) and SMA50 (357.38) but well above SMA200 (210.15), so the short-term trend has broken while the long-term uptrend stays intact. RSI14 at 47.83 is neutral after extreme two-sided swings, and the daily MACD line (-13.16) has crossed back above its signal (-16.05) with a positive histogram (2.89), an early recovery signal within the correction. The 11.96% drop on August 5 on volume at 1.91x the 20-period average shows the market remains heavily traded and two-sided. On the weekly chart, price at 311.23 still holds above SMA20 (269.27) and SMA50 (208.23), but a 5-week return of -20.55% and a slightly negative weekly MACD histogram (-1.09) warn that momentum has faded from the peak. Key support is at the 20-period low of 244.61, with SMA200 at 210.15 below it. Resistance is at the 20-period high of 436.47 and the 52-week high of 499.48. Given the extreme volatility, the technical setup is most useful for defining risk levels rather than predicting direction.
Multi-timeframe dashboard
Multi-Timeframe Technical Dashboard
Comparing daily (2-year) and weekly (5-year) perspectives to identify aligned or conflicting signals.
Daily (August 5, 2026)
- Trend
- Mixed. Price at 318.43 is below SMA20 (325.56, -2.19%) and SMA50 (357.38, -10.90%) but above SMA200 (210.15, +51.52%). The short-term structure broke after the stock peaked at 499.48 in late June and corrected sharply, while the long-term uptrend remains intact. The late-July low near 244.61 and the sharp rebound and reversal into early August leave the near-term trend unresolved.
- Momentum
- Neutral with early recovery signs. RSI14 at 47.83 sits near the 50 midline after the extreme readings of the June peak and the July crash. The daily MACD line at -13.16 is above the signal at -16.05 with a positive histogram of 2.89, a constructive crossover within the correction, although both MACD values remain negative and momentum is still recovering rather than confirmed.
- Volatility
- Extremely elevated. ATR14 at 38.34 is 12.04% of price, reflecting the very large daily swings of this high-beta AI infrastructure stock. Bollinger Bands from 241.32 to 409.79 are very wide, and price is near the middle band at 325.56, indicating the market is between extremes after the recent crash and rebound.
- Volume
- Elevated. The latest volume of 9,265,700 is 1.91x the 20-period average of 4,861,565, with the heaviest participation on the August 5 down day. High volume on the decline shows active selling, and a durable recovery would need volume to expand on up days.
Assessment
The daily chart shows a stock that broke sharply from its late-June high of 499.48, found a low near 244.61 in late July, then rebounded and reversed again into August. Price is below SMA20 and SMA50 but above SMA200, so the short-term trend has broken while the primary uptrend holds. The positive daily MACD histogram is an early stabilizing signal, but the 11.96% drop on August 5 and the 1.91x volume on that day show the market is still trying to establish a floor. A hold above 244.61 would keep the correction orderly, while a close below it would open the path toward SMA200 at 210.15.
Weekly (July 27, 2026 week)
- Trend
- Mixed but structurally positive. Price at 311.23 is above SMA20 (269.27, +15.58%) and SMA50 (208.23, +49.47%). SMA200 is unavailable because the weekly series has fewer than 200 completed bars since the March 2024 listing. The 5-week return of -20.55% reflects the deep correction from the 499.48 high, but the stock remains above its key weekly moving averages.
- Momentum
- Fading. Weekly RSI14 at 56.23 has retreated from the overbought zone seen during the June surge. The weekly MACD line at 48.95 is below the signal at 50.04 with a histogram of -1.09, indicating momentum has lost force even though both values remain positive.
- Volatility
- Extremely elevated. Weekly ATR14 at 60.94 is 19.58% of price, among the widest readings for this stock. Bollinger Bands from 65.82 to 472.71 capture the huge swing from the March 2026 lows through the 499.48 peak and back into the correction.
- Volume
- Near average. Weekly volume of 25,921,200 is 0.96x the 20-week average of 27,015,365, showing participation has normalized after the burst of activity during the peak and the crash.
Assessment
The weekly chart confirms that the 2026 advance, which carried price from under 100 in March to 499.48 in late June, has been followed by a substantial correction. Price still holds above SMA20 and SMA50, so the primary uptrend is not broken. However, the fading weekly MACD and the extreme weekly ATR argue for caution. The stock is between support near the 20-period low zone and the overhead resistance of the previous high. The weekly picture supports a range-bound interpretation while the correction works through, with the trend staying positive only if price holds above SMA20.
Key indicators
ALAB Key Technical Indicators
RSI, MACD, moving averages, ATR, and Bollinger Bands across daily and weekly timeframes.
| Indicator | Daily | Weekly |
|---|---|---|
| RSI (14) | 47.83 | 56.23 |
| MACD (12, 26, 9) | -13.16 / -16.05 / +2.89 | 48.95 / 50.04 / -1.09 |
| ATR (14) | 38.34 (12.04%) | 60.94 (19.58%) |
| Bollinger Bands (20, 2) | 241.32 - 409.79 | 65.82 - 472.71 |
| SMA (20) | 325.56 | 269.27 |
| SMA (50) | 357.38 | 208.23 |
| SMA (200) | 210.15 | n/a |
Price structure
ALAB Price Structure and Returns
Price performance across multiple lookback periods and 52-week position.
| Metric | Daily | Weekly |
|---|---|---|
| Current Price | 318.43 | 311.23 |
| 1-Period Return | -11.96% | +6.74% |
| 5-Period Return | +27.50% | -20.55% |
| 20-Period Return | -19.01% | +158.69% |
| 60-Period Return | +59.38% | +242.95% |
| 252-Period Return | +130.86% | n/a |
| 52-Week Low | 97.89 | 97.89 |
| 52-Week High | 499.48 | 499.48 |
| 52-Week Position | 54.92% | 53.12% |
Key levels
ALAB Support and Resistance Levels
Key price levels based on recent swing highs and lows across daily and weekly timeframes.
| Level | Daily | Weekly |
|---|---|---|
| 20-Period High | 436.47 | 499.48 |
| 20-Period Low | 244.61 | 97.89 |
| 60-Period High | 499.48 | 499.48 |
| 60-Period Low | 192.60 | 84.78 |
Scenarios
ALAB Technical Scenarios
Conditions, invalidation triggers, and what to watch for each scenario.
Bullish
Trigger
Price holds above the 20-period low at 244.61, reclaims SMA20 (325.56) and SMA50 (357.38) with above-average volume, and moves back toward the 20-period high at 436.47 and the 52-week high at 499.48.
Invalidation
A daily close below the 20-period low at 244.61, which would break the late-July floor and put the correction into a deeper phase.
What to watch
Daily RSI holding above 50; daily MACD histogram staying positive; weekly MACD histogram turning positive; volume expanding on up days; AI infrastructure demand and PCIe and CXL adoption news.
Consolidation
Trigger
Price oscillates between support near the 20-period low of 244.61 and resistance near SMA50 at 357.38 as the market digests the correction from the 499.48 high.
Invalidation
A decisive close above 436.47 or below 244.61, which would end the range and start a new directional move.
What to watch
RSI oscillating between 40 and 60; volume normalizing; the daily MACD histogram fluctuating near zero; broader semiconductor sector sentiment and upcoming earnings.
Bearish
Trigger
Price breaks below the 20-period low at 244.61, opening the path toward SMA200 at 210.15 and the 60-period low at 192.60 as the correction deepens.
Invalidation
Price reclaims SMA20 (325.56) and establishes a higher low above 244.61, restoring the short-term uptrend.
What to watch
Daily RSI falling below 40; the MACD line crossing back below the signal; volume expanding on down days; weak AI infrastructure sentiment or disappointing guidance.
Methodology
Methodology and Limitations
This technical analysis is calculated locally from adjusted OHLCV history. The daily series ends August 5, 2026, and the weekly series ends July 27, 2026 week. The latest completed daily bar is independently checked for date and closing-price consistency. Historical prices are adjusted for corporate actions when applicable. Indicators include Wilder RSI(14), MACD(12,26,9), SMA20/50/200, Wilder ATR(14), Bollinger Bands(20,2), relative volume, multi-period returns, and price-range levels. Support and resistance are descriptive zones, not guaranteed reversal points. Historical patterns do not predict future prices, and this page is not investment advice.
Frequently Asked Questions
This technical analysis is for informational and educational purposes only. It does not constitute investment advice, a recommendation, or a solicitation to buy or sell any security. Past performance and historical patterns are not guarantees of future results. All investments carry risk, including the potential loss of principal. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Market data is checked for date and closing-price consistency before indicators are calculated. Data cutoffs: daily August 5, 2026, weekly July 27, 2026 week. Generated August 6, 2026.
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