Amphastar Pharmaceuticals, Inc.(AMPH)Earnings Date, History & Expected Move
Next report date, beat rate and options-implied move
AMPH is scheduled to report on Nov 9, 2026, usually after the market closes. Analysts expect EPS of $0.88.
EPS: Actual vs Estimate
Reported EPS against the consensus estimate, last 12 quarters.
Green beat or met, red missed, amber sources differ.
Stock Reaction After Earnings
Close-to-close move in the first session that reflected each report.
Dashed lines mark the average actual move (±10.7%).
Did the stock rise after good news?
The next-day move after each of its last 7 EPS beats and 5 misses.
In plain words: it beat expectations 7 times, but the stock still fell 1 of those 7 times.
- Aug '26Beat▲ +4.9%
- May '26Missed▼ -20.9%
- Feb '26Missed▼ -23.6%
- Nov '25Beat▼ -0.8%
- Aug '25Beat▲ +10.1%
- May '25Beat▲ +0.9%
- Feb '25Missed▼ -9.7%
- Nov '24Missed▼ -13.7%
- Aug '24Beat▲ +13.3%
- May '24Beat▲ +0.5%
- Feb '24Missed▼ -14.9%
- Nov '23Beat▲ +15.4%
Clear beats and misses with a known reaction only. What counts as a beat
Why did AMPH fall after beating earnings?
1 of AMPH's last 12 reactions went against the EPS result. What stands out in each:
AMPH beat EPS estimates in 7 quarters, and the stock still closed lower the next day 1 time.
- Nov 6, 2025EPS beat +12.0%stock -0.8% next day
- It opened 7.9% higher, but sellers took over and it closed -0.8%.
Patterns in estimates and prices, not confirmed causes: how we read them.
Was AMPH's earnings move already priced in?
AMPH's move in the month before each of its last 12 reports, against what it did after.
How the run-up is measured (a move of 5% or more counts as large).
Before vs after each report
Grey: the month before each of the last 12 reports. Green or red: the day after.
Past reports only. How the run-up is measured
Does AMPH hold its opening gap after earnings?
AMPH's opening move after each report and where it closed that day.
In 11 reports AMPH opened at least 1% away from the previous close. It gave back half or more of that gap by the close 3 of 11 times (27%), and fully reversed 1 time. Gaps up faded 3 of 6; gaps down recovered 0 of 5.
- Aug 6, 2026FadedOpened +13.5%, closed +4.9%
- May 7, 2026HeldOpened -22.7%, closed -20.9%
- Feb 26, 2026HeldOpened -15.3%, closed -23.6%
- Nov 6, 2025ReversedOpened +7.9%, closed -0.8%
- Aug 7, 2025HeldOpened +3.1%, closed +10.1%
- Feb 27, 2025HeldOpened -3.1%, closed -9.7%
- Nov 6, 2024HeldOpened -10.2%, closed -13.7%
- Aug 7, 2024HeldOpened +9.3%, closed +13.3%
AMPH earnings history
Last 12 reported quarters with the stock's reaction.
Swipe sideways to see every column →
| Report date | Time | EPS est. | EPS actual | Surprise | 1-day move | 3-day move |
|---|---|---|---|---|---|---|
| Aug 6, 2026 | After close | $0.61 | $0.91 | +49.2% | +4.90% | +3.08% |
| May 7, 2026 | After close | $0.71 | $0.42 | -40.8% | -20.93% | -27.17% |
| Feb 26, 2026 | After close | $0.92 | $0.73 | -20.7% | -23.63% | -25.14% |
| Nov 6, 2025 | After close | $0.83 | $0.93 | +12.0% | -0.83% | +12.09% |
| Aug 7, 2025 | After close | $0.74 | $0.85 | +14.9% | +10.13% | +40.38% |
| May 7, 2025 | After close | $0.69 | $0.74 | +7.2% | +0.90% | -0.37% |
| Feb 27, 2025 | After close | $0.94 | $0.92 | -2.1% | -9.72% | -12.29% |
| Nov 6, 2024 | After close | $0.98 | $0.96 | -2.0% | -13.69% | -9.04% |
| Aug 7, 2024 | After close | $0.75 | $0.94 | +25.3% | +13.29% | +11.21% |
| May 8, 2024 | After close | $0.79 | $1.04 | +31.6% | +0.52% | +0.38% |
| Feb 28, 2024 | After close | $0.91 | $0.88 | -3.3% | -14.93% | -14.72% |
| Nov 8, 2023 | After close | $0.69 | $1.15 | +66.7% | +15.39% | +17.90% |
Consensus for the next report: EPS $0.88, revenue $201.81M.
AMPH Earnings FAQ
Answers computed from Amphastar Pharmaceuticals, Inc.'s reported history
AMPH is scheduled to report on Nov 9, 2026, usually after the market closes. Analysts expect EPS of $0.88.
Over the last 12 quarters with a usable EPS surprise, AMPH beat the consensus estimate 7 times (58%), missed 5 and landed in line 0.
Across its last 12 quarters with a measured reaction, AMPH moved an average of ±10.7% in the first session after reporting. It closed higher 50% of the time; the largest gain was 15.4% and the largest drop -23.6%.
AMPH fell in the first session after 1 of its last 7 EPS beats (14%). A beat that was already priced in, or weaker guidance, can send a stock lower.
Across its last 12 quarters with price data, AMPH moved an average of +1.9% in the 20 trading sessions before reporting and was higher in 58% of them. After a run-up of 3% or more (5 quarters), it fell the next day 40% of the time, averaging -3.2%. This describes past reports; it is not a forecast.
In 11 reports AMPH opened at least 1% away from the previous close. It gave back half or more of that gap by the close 3 of 11 times (27%), and fully reversed once. A fade means the opening move was partly undone during the first session.
How we calculate these numbers · AMPH: 12 reported quarters, latest Aug 6, 2026. Information only, not investment advice.
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