Which has the lower trailing P/E, AMPH or GDRX?

AMPH has the lower trailing P/E: AMPH trades at 15.01 and GDRX at 79.06. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, AMPH or GDRX?

Over the past five years, AMPH grew revenue faster — AMPH at a 13.71% CAGR versus GDRX at 4.47%.

Is AMPH or GDRX more profitable?

AMPH runs the higher net margin — AMPH at 10.76% versus GDRX at 2.07%.

How have AMPH and GDRX total returns compared?

Over the past 5 years, AMPH delivered 6.13% and GDRX delivered -39.98% annualized total return. Past performance doesn't predict future results.

Amphastar Pharmaceuticals, Inc. (AMPH) vs GoodRx Holdings, Inc. (GDRX)

A side-by-side comparison of Amphastar Pharmaceuticals, Inc. and GoodRx Holdings, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

AMPH

Amphastar Pharmaceuticals, Inc.

$1.12B

$25.37HealthcareDelayed quote: Oct 5, 2026, 4:00 PM EDT

GDRX

GoodRx Holdings, Inc.

$1.16B

$3.36HealthcareDelayed quote: Oct 5, 2026, 4:00 PM EDT

Total return — AMPH vs GDRX

growth of $100 · dividends reinvested · last 6y

AMPH +36.9% (+5.4%/yr)GDRX -93.3% (-36.3%/yr)AMPH compounded faster over this window

Log scale — wide-divergence pair

AMPH GDRX

AMPH vs GDRX: by the numbers

•GDRX is the larger company ($1.16B vs $1.12B market cap).
•AMPH trades at the lower trailing earnings multiple (15.01 vs 79.06 P/E), one valuation lens rather than an overall verdict.
•AMPH converts more revenue to profit (10.76% vs 2.07% net margin).
•AMPH grew revenue faster over the past five years (13.71% vs 4.47% CAGR).

Metrics side by side

Valuation

Metric	AMPH	GDRX
P/E ratio	15.01	79.06
Forward P/E	8.54	N/A
PEG ratio	0.11	N/A
P/S ratio	1.53	1.48
P/B ratio	1.46	1.80
EV / EBITDA	8.82	8.32
FCF yield	13.67%	12.51%

Profitability

Metric	AMPH	GDRX
Gross margin	47.68%	88.05%
Operating margin	15.66%	10.25%
Net margin	10.76%	2.07%
ROE	10.23%	2.51%
ROIC	5.93%	3.72%

Growth (annualized)

Metric	AMPH	GDRX
Revenue CAGR (5Y)	13.71%	4.47%
EPS CAGR (5Y)	134.23%	N/A
FCF CAGR (5Y)	23.90%	11.72%
Total return CAGR (5Y)	6.13%	-39.98%

Frequently asked

Which has the lower trailing P/E, AMPH or GDRX?: AMPH has the lower trailing P/E: AMPH trades at 15.01 and GDRX at 79.06. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, AMPH or GDRX?: Over the past five years, AMPH grew revenue faster — AMPH at a 13.71% CAGR versus GDRX at 4.47%.
Is AMPH or GDRX more profitable?: AMPH runs the higher net margin — AMPH at 10.76% versus GDRX at 2.07%.
How have AMPH and GDRX total returns compared?: Over the past 5 years, AMPH delivered 6.13% and GDRX delivered -39.98% annualized total return. Past performance doesn't predict future results.

Go deeper

Full AMPH analysis Full GDRX analysis Interactive comparison tool

Dig into the metrics

Amphastar Pharmaceuticals P/E ratio GoodRx P/E ratio Amphastar Pharmaceuticals ROE GoodRx ROE Amphastar Pharmaceuticals operating margin GoodRx operating margin Amphastar Pharmaceuticals revenue growth GoodRx revenue growth Amphastar Pharmaceuticals free cash flow GoodRx free cash flow

Amphastar Pharmaceuticals & GoodRx appear in these rankings

Highest FCF Yield Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.