AMBA

Ambarella, Inc. $67.86 1M -18.8% 3M +3.1% YTD -9.7% as of 2026-09-11
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Model view — historical tendencies for the days ahead, not a forecast
Next 1 day
+0.8%
Next 1 week
+1.0%
Next 1 month
+0.4%
Seasonality
No real seasonal tilt
Next 30 days (to Oct 13): +0.2% median, 54% of the last 13 years finished up.
20-year seasonality chart →
Mean reversion
Neutral — RSI(2) at 68
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 2.80 +0.6% · Seasonal tilt -0.2%
$117M/day volume 75% volatility -19% 1-year -70% from ATH
52-week range · 40% of the way up · -30% 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 79 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.

Data from the U.S. House Clerk and FINRA, plus end-of-day prices. Not investment advice.