Stock listing
BOATS:AMPH Amphastar Pharmaceuticals, Inc. Stock
US listing (BOATS) of Amphastar Pharmaceuticals, Inc. · home listing NASDAQ:AMPH
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Home listing price · NASDAQ:AMPH
$27.72 USD +0.79 (+2.9%)
Close on Oct 30, 2026 · This listing has no price on 6ix; the price shown is the home listing's, NASDAQ:AMPH
- Day range
- $26.76 – $27.80 USDOct 30, 2026
- Volume
- 664,503 sharesOct 30, 2026
- Market cap
- $1.18B USDAt the close on Oct 30, 2026 · price × 42.54M shares outstanding
- 52-week range
- $16.65 – $29.52 USDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $10.99M USDMedian day 412,530 shares · last 3 months, Jul 30, 2026 – Oct 30, 2026
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:AMPH · Home | $27.72 USD | +0.79 (+2.9%) | 664,503 | $27.12 | $27.80 | $26.76 | $26.93 | Close on Oct 30, 2026 |
| Frankfurt:29A | €23.63 EUR | +0.94 (+4.1%) | — | €23.63 | €23.63 | €23.63 | €22.69 | Close on Oct 30, 2026 |
Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · NASDAQ:AMPH · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $27.72 | +0.79 | +2.9% | $27.12 | $27.80 | $26.76 | 664,503 | |
| $26.93 | +0.60 | +2.3% | $26.84 | $27.00 | $26.45 | 371,412 | |
| $26.33 | +0.76 | +3.0% | $25.36 | $26.36 | $25.36 | 397,263 | |
| $25.57 | +0.10 | +0.4% | $25.38 | $25.70 | $25.29 | 323,925 | |
| $25.47 | +0.33 | +1.3% | $25.27 | $25.65 | $25.22 | 225,242 | |
| $25.14 | -0.90 | -3.5% | $25.91 | $25.91 | $24.62 | 483,119 | |
| $26.04 | -0.16 | -0.6% | $26.25 | $26.50 | $25.92 | 315,088 | |
| $26.20 | +0.26 | +1.0% | $25.69 | $26.35 | $25.51 | 390,201 | |
| $25.94 | -0.20 | -0.8% | $26.24 | $26.61 | $25.82 | 361,336 | |
| $26.14 | +0.27 | +1.0% | $25.63 | $26.31 | $25.63 | 299,510 | |
| $25.87 | -0.55 | -2.1% | $26.61 | $26.61 | $25.52 | 352,084 | |
| $26.42 | +0.34 | +1.3% | $26.38 | $27.10 | $26.13 | 352,436 | |
| $26.08 | +0.03 | +0.1% | $25.89 | $26.57 | $25.89 | 364,655 | |
| $26.05 | -0.71 | -2.7% | $26.91 | $27.00 | $26.03 | 326,547 | |
| $26.76 | +0.14 | +0.5% | $26.62 | $26.86 | $26.51 | 362,818 | |
| $26.62 | +0.81 | +3.1% | $25.73 | $26.79 | $25.65 | 437,696 | |
| $25.81 | +0.27 | +1.1% | $25.39 | $26.14 | $25.10 | 423,536 | |
| $25.54 | -0.37 | -1.4% | $25.91 | $26.17 | $25.29 | 776,285 | |
| $25.91 | +0.54 | +2.1% | $25.54 | $26.13 | $25.03 | 469,146 | |
| $25.37 | -0.06 | -0.2% | $25.43 | $25.70 | $25.17 | 454,522 | |
| $25.43 | +0.08 | +0.3% | $25.46 | $25.55 | $25.06 | 374,220 | |
| $25.35 | -0.46 | -1.8% | $25.60 | $26.02 | $25.30 | 530,991 | |
| $25.81 | -0.87 | -3.3% | $26.73 | $26.79 | $25.77 | 509,363 | |
| $26.68 | -0.71 | -2.6% | $27.59 | $27.64 | $26.52 | 631,997 | |
| $27.39 | +1.26 | +4.8% | $25.99 | $27.80 | $25.96 | 751,801 | |
| $26.13 | -0.14 | -0.5% | $26.25 | $26.63 | $25.66 | 376,921 | |
| $26.27 | +1.31 | +5.2% | $24.81 | $26.31 | $24.65 | 572,080 | |
| $24.96 | +0.64 | +2.6% | $24.39 | $25.12 | $24.20 | 508,095 | |
| $24.32 | -0.16 | -0.7% | $24.60 | $24.83 | $24.00 | 522,394 | |
| $24.48 | +0.86 | +3.6% | $23.54 | $25.41 | $23.45 | 595,754 | |
| $23.62 | -0.20 | -0.8% | $23.69 | $23.99 | $23.51 | 1,455,803 | |
| $23.82 | -0.13 | -0.5% | $24.08 | $24.18 | $23.50 | 465,642 | |
| $23.95 | +0.31 | +1.3% | $23.64 | $24.39 | $23.49 | 503,880 | |
| $23.64 | -0.27 | -1.1% | $23.75 | $23.94 | $23.56 | 354,415 | |
| $23.91 | +0.13 | +0.5% | $23.84 | $24.28 | $23.56 | 474,878 | |
| $23.78 | +0.24 | +1.0% | $23.65 | $23.80 | $23.24 | 410,954 | |
| $23.54 | +0.50 | +2.2% | $23.00 | $23.69 | $22.76 | 514,990 | |
| $23.04 | +0.11 | +0.5% | $22.84 | $23.07 | $22.57 | 351,601 | |
| $22.93 | -0.25 | -1.1% | $22.82 | $23.14 | $22.30 | 460,015 | |
| $23.18 | -0.66 | -2.8% | $23.47 | $23.74 | $23.07 | 650,129 | |
| $23.84 | +0.10 | +0.4% | $23.88 | $23.92 | $23.04 | 469,751 | |
| $23.74 | +0.78 | +3.4% | $23.05 | $23.83 | $23.03 | 456,779 | |
| $22.96 | +0.43 | +1.9% | $22.59 | $23.05 | $22.59 | 550,979 | |
| $22.53 | +0.52 | +2.4% | $21.86 | $22.65 | $21.52 | 274,025 | |
| $22.01 | +0.13 | +0.6% | $21.88 | $22.15 | $21.69 | 224,533 | |
| $21.88 | -0.14 | -0.6% | $21.69 | $21.97 | $21.63 | 259,787 | |
| $22.02 | +0.04 | +0.2% | $21.86 | $22.44 | $21.72 | 395,610 | |
| $21.98 | +0.46 | +2.1% | $21.50 | $22.07 | $21.41 | 283,774 | |
| $21.52 | -0.08 | -0.4% | $21.60 | $21.81 | $21.26 | 210,263 | |
| $21.60 | -0.08 | -0.4% | $21.64 | $22.20 | $21.44 | 376,558 | |
| $21.68 | -0.06 | -0.3% | $21.38 | $21.76 | $21.24 | 338,697 | |
| $21.74 | +0.40 | +1.9% | $21.64 | $21.99 | $21.15 | 410,771 | |
| $21.34 | +0.48 | +2.3% | $21.11 | $21.59 | $21.08 | 411,880 | |
| $20.86 | -0.05 | -0.2% | $20.90 | $21.23 | $20.77 | 533,504 | |
| $20.91 | +0.73 | +3.6% | $20.02 | $21.07 | $19.89 | 305,681 | |
| $20.18 | +0.20 | +1.0% | $20.18 | $20.27 | $19.84 | 526,116 | |
| $19.98 | -0.44 | -2.2% | $20.16 | $20.22 | $19.61 | 343,843 | |
| $20.42 | +0.11 | +0.5% | $20.00 | $20.57 | $20.00 | 570,493 | |
| $20.31 | -0.47 | -2.3% | $20.74 | $20.90 | $19.55 | 645,749 | |
| $20.78 | +0.97 | +4.9% | $22.48 | $22.65 | $20.40 | 1,300,994 | |
| $19.81 | -0.43 | -2.1% | $20.22 | $20.25 | $19.60 | 527,333 | |
| $20.24 | +0.34 | +1.7% | $20.06 | $20.28 | $19.88 | 351,618 | |
| $19.90 | -0.32 | -1.6% | $20.11 | $20.38 | $19.86 | 481,648 | |
| $20.22 | +0.28 | +1.4% | $20.11 | $20.46 | $19.70 | 413,179 | |
| $19.94 | -0.44 | -2.2% | $20.35 | $20.41 | $19.67 | 367,629 | |
| $20.38 | -0.20 | -1.0% | $20.31 | $20.53 | $19.95 | 355,683 |
- Ticker
- BOATS:AMPH
- Asset type
- Stock
- Exchange
- BOATS
- Currency
- USD
What changed lately
Latest news release · Oct 29, 2026
Amphastar Pharmaceuticals to Release Third Quarter Earnings and Hold Conference Call on November 5, 2026
Latest earnings call · Aug 6, 2026
Amphastar Pharmaceuticals (NASDAQ:AMPH) Q2 2026 Earnings Call
Replay and transcript
Latest deck · Aug 6, 2026
Q2 2026 Earnings Presentation
Earnings · 27 slides
Calls
Replays
Amphastar Pharmaceuticals (NASDAQ:AMPH) Q2 2026 Earnings Call
Thu, Aug 06, 2026 · 5:00 PM ET
Watch TranscriptAmphastar Pharmaceuticals (NASDAQ:AMPH) Q1 2026 Earnings Call
Thu, May 07, 2026 · 5:00 PM ET
Watch TranscriptAmphastar Pharmaceuticals (NASDAQ:AMPH) Q4 2025 Earnings Call
Thu, Feb 26, 2026 · 5:00 PM ET
Watch Transcript
Latest news
Amphastar Pharmaceuticals to Release Third Quarter Earnings and Hold Conference Call on November 5, 2026
Oct 29, 2026
Closed $26.93 (+2.3%) on Oct 29, 2026
Amphastar Pharmaceuticals to Present at the Wells Fargo 21st Annual Healthcare Conference
Sep 1, 2026
Closed $22.96 (+1.9%) on Sep 1, 2026
Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended June 30, 2026
Aug 6, 2026
Closed $20.78 (+4.9%) on Aug 7, 2026
Amphastar Pharmaceuticals to Release Second Quarter Earnings and Hold Conference Call on August 6, 2026
Jul 29, 2026
Closed $20.58 (+2.1%) on Jul 29, 2026
Amphastar Pharmaceuticals to Present at the 2026 Jefferies Healthcare Conference
May 27, 2026
Closed $19.10 (+1.5%) on May 27, 2026
Q1 Financial Results (news)
May 8, 2026
Closed $19.00 (-20.9%) on May 8, 2026
Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended March 31, 2026
May 7, 2026
Closed $24.03 (+0.5%) on May 7, 2026
Amphastar Pharmaceuticals to Present at the 2026 Bank of America Health Care Conference
May 6, 2026
Closed $23.90 (+2.2%) on May 6, 2026
Amphastar Pharmaceuticals to Release First Quarter Earnings and Hold Conference Call on May 7, 2026
Apr 30, 2026
Closed $21.96 (+1.5%) on Apr 30, 2026
Amphastar Pharmaceuticals to Present at the 25th Annual Needham Healthcare Conference
Apr 6, 2026
Closed $20.58 (+0.6%) on Apr 6, 2026
Decks
Q2 2026 Earnings Presentation
Earnings · 27 slides · Aug 6, 2026
2026 Bank of America Health Care Conference
Conference · 27 slides · May 13, 2026
25th Annual Needham Virtual Healthcare Conference (April 2026)
Conference · 31 slides · Apr 14, 2026
Barclays 28th Annual Global Healthcare Conference 2026
Conference · 31 slides · Mar 11, 2026
Amphastar Pharmaceuticals, Inc. on 6ix
- News releases
- 23 in the last 12 months · 131 in all · newest Oct 29, 2026 · oldest 2019
- Calls
- 17 calls with a replay · 17 with a transcript · latest Aug 6, 2026
- Decks
- 25 decks · latest Aug 6, 2026
Where Amphastar Pharmaceuticals, Inc. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:AMPH · Home listing | NASDAQ | United States | USD |
| LS Exchange:A11664 | LS Exchange | Germany | EUR |
| gettex:29A | gettex | Germany | EUR |
| Lang & Schwarz:A11664 | Lang & Schwarz | Germany | EUR |
| BOATS:AMPH · This page | BOATS | United States | USD |
| Tradegate:29A | Tradegate | Germany | EUR |
| Frankfurt:29A | Frankfurt | Germany | EUR |
| Dusseldorf:29A | Dusseldorf | Germany | EUR |
| Munich:29A | Munich | Germany | EUR |
| Stuttgart:29A | Stuttgart | Germany | EUR |
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