AMBA

Ambarella, Inc. $66.27 as of 2026-10-28
Model view — historical tendencies for the days ahead, not a forecast
Next 1 day
-0.4%
Next 1 week
+2.5%
Next 1 month
+7.4%
Seasonality
Bullish window historically
Next 30 days (to Nov 28): +15.3% median, 85% of the last 13 years finished up.
20-year seasonality chart →
Mean reversion
Neutral — RSI(2) at 42
RSI(2) under 15 is oversold (this name has historically bounced); over 85 is overbought. Its dip-buy edge in history is +0.10%/day.
Mean-reversion stats →
1-month breakdown — Market · β 2.67 +7.0% · Seasonal tilt +0.4%
$91M/day volume 74% volatility -23% 1-year -71% from ATH
52-week range · 37% of the way up · -32% from the high
$48.30$96.69

Congressional trades in AMBA Full tracker →

2 members · 2 buys / 2 sells · $4K–$60K disclosed · latest filing Apr 27, 2020.

BUY DS Donna Shalala · traded Apr 16, 2019 $1K–$15K
BUY DS Donna Shalala · traded May 15, 2019 $1K–$15K
SELL DS Donna Shalala · traded Jun 24, 2019 $1K–$15K
SELL BC Barbara J. Comstock · traded Jun 19, 2015 $1K–$15K

Earnings Full history →

Next report 2026-12-01 (Tuesday, after close, in 33 days) · EPS est. 0.31.

1-day std dev
12.4%
Finished up
45%
Biggest pop
+27.4%
Biggest drop
-31.3%

Standard deviation of the close-to-close move over the last 56 reports. History, not a forecast.

ReportedEst.Actual SurpriseGap Day 1Day 5
2026-09-03 beat 0.17 0.18 +5.3% -0.3% -0.8% +0.9%
2026-05-28 beat 0.10 0.11 +5.4% -10.1% -21.4% -30.8%
2026-02-26 beat 0.10 0.13 +26.7% -13.9% -14.9% -26.1%
2025-11-25 beat 0.21 0.27 +29.6% -12.1% -18.8% -21.9%
2025-08-28 beat 0.05 0.15 +177.1% +18.2% +16.8% +18.9%
2025-05-29 beat 0.04 0.07 +83.1% -4.7% -15.1% -13.6%
2025-02-26 beat -0.02 0.11 +651.4% +7.0% -17.1% -29.4%
2024-11-26 beat 0.04 0.11 +214.2% +16.6% +5.9% +1.3%
2024-08-27 beat -0.19 -0.13 +32.5% +20.3% +10.6% +2.5%
2024-05-30 beat -0.31 -0.26 +16.9% +20.1% +20.6% +17.8%
2024-02-27 beat -0.33 -0.24 +26.9% +12.1% +0.1% -3.5%
2023-11-30 beat -0.39 -0.28 +28.3% +3.5% -0.3% -1.5%
2023-08-29 beat -0.18 -0.15 +18.9% -22.8% -20.4% -20.3%
2023-05-30 beat -0.21 -0.15 +27.3% -16.2% -11.8% -1.8%
2023-02-28 beat 0.15 0.23 +54.9% -7.5% -11.5% -11.9%
2022-12-01 beat 0.20 0.24 +20.9% -6.0% +3.3% +5.6%
2022-08-30 beat 0.19 0.20 +3.2% -9.3% -19.7% -19.0%
2022-05-31 beat 0.37 0.44 +19.5% -6.4% -2.1% -3.0%
2022-02-28 beat 0.42 0.45 +6.2% -20.4% -31.3% -36.6%
2021-11-30 beat 0.49 0.57 +16.6% +14.8% +14.1% +20.8%
2021-08-31 beat 0.25 0.35 +41.4% +12.7% +27.4% +41.3%
2021-06-01 beat 0.17 0.23 +32.9% +2.4% -1.5% -4.8%
2021-03-02 beat 0.08 0.14 +74.5% +5.8% -0.3% -1.9%
2020-11-23 beat 0.05 0.09 +67.2% +6.9% +15.3% +29.1%
2020-09-01 beat -0.02 0.06 +343.7% +1.7% -3.2% -16.0%
2020-06-02 beat -0.01 0.04 +433.3% -5.5% -13.9% -11.2%
2020-03-03 beat 0.11 0.14 +22.2% +7.0% -5.0% -24.3%
2019-11-25 beat 0.21 0.32 +55.8% +4.0% -7.3% -9.4%
2019-08-29 beat 0.02 0.21 +755.4% +18.1% +17.9% +37.1%
2019-06-04 beat -0.06 0.01 +117.7% +7.0% +0.1% +6.0%
2019-03-05 beat 0.04 0.14 +257.4% +9.3% +3.7% +8.0%
2018-11-29 beat 0.09 0.21 +129.1% +14.1% +18.5% +14.6%
2018-08-30 beat 0.13 0.25 +90.7% -12.5% -3.6% -2.7%
2018-06-05 beat 0.09 0.13 +49.4% -10.0% -12.9% -12.5%
2018-03-01 beat 0.37 0.45 +21.6% +2.9% +13.5% +18.9%
2017-11-30 beat 0.67 0.75 +12.8% +8.5% +14.3% +8.7%
2017-08-31 beat 0.44 0.48 +9.3% -15.6% -22.4% -18.0%
2017-06-06 beat 0.36 0.39 +8.1% -5.2% -10.2% -17.2%
2017-02-28 beat 0.75 0.92 +23.2% +2.7% -4.4% -8.4%
2016-12-01 beat 0.94 1.11 +18.0% -7.2% -11.3% -11.3%
2016-09-01 beat 0.38 0.54 +43.8% -2.1% -6.7% -7.6%
2016-06-02 beat 0.28 0.34 +22.6% +9.2% +9.4% +21.0%
2016-03-03 beat 0.45 0.64 +40.8% -7.4% -8.9% -15.2%
2015-12-03 beat 0.86 1.08 +25.4% -5.5% -1.6% -0.4%
2015-09-01 beat 0.81 0.88 +9.3% -7.8% -8.5% -21.7%
2015-06-02 beat 0.58 0.71 +21.6% +3.2% +3.7% +22.5%
2015-03-03 beat 0.49 0.68 +37.9% +6.2% +7.0% +7.2%
2014-12-04 beat 0.54 0.68 +25.0% -3.3% -1.7% -16.7%
2014-09-04 beat 0.28 0.37 +32.7% +7.3% +3.2% +3.1%
2014-06-03 beat 0.21 0.25 +17.6% +3.7% +0.9% +8.7%
2014-03-06 beat 0.19 0.26 +36.8% -2.6% -7.4% -18.0%
2013-12-05 beat 0.29 0.37 +27.6% +5.1% +3.1% +3.5%
2013-09-05 beat 0.19 0.26 +35.1% +10.7% +8.6% +16.2%
2013-06-04 beat 0.13 0.21 +55.8% +7.2% +2.8% +5.3%
2013-03-07 beat 0.13 0.18 +38.5% +12.4% +13.5% +12.7%
2012-12-05 beat 0.25 0.31 +24.0% +0.7% +1.1% +4.1%

Not investment advice.