DUOL vs APLS

Comparison between Duolingo Inc - Class A (DUOL, Company) and Apellis Pharmaceuticals Inc (APLS, Company).

DUOL is from the Technology sector, while APLS is from the Healthcare sector.

5-Year PerformanceAPLS has outperformed DUOL, delivering a return of -1.5% compared to -5.3%

DUOL vs APLS - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	DUOL(COMPANY)	APLS(COMPANY)
Market Cap	$5.23B	$5.25B
Max Drawdown	83.35%	82.47%
Sharpe Ratio	-2.30	1.03
5Y Beta	1.44	N/A
Industry	Software - Application	Biotechnology
P/E Ratio	12.61	39.02
Forward P/E	15.22	46.30
PEG Ratio	0.03	N/A
Debt to Equity	0.00%	22.59%
Free Cash Flow Yield	7.95%	0.71%

Market Cap

DUOL

$5.23B

Winner

APLS

$5.25B

Max Drawdown

DUOL

83.35%

Winner

APLS

82.47%

Sharpe Ratio

DUOL

-2.30

Winner

APLS

1.03

5Y Beta

DUOL

1.44

APLS

N/A

Industry

DUOL

Software - Application

APLS

Biotechnology

P/E Ratio

Winner

DUOL

12.61

APLS

39.02

Forward P/E

Winner

DUOL

15.22

APLS

46.30

PEG Ratio

DUOL

0.03

APLS

N/A

Debt to Equity

Winner

DUOL

0.00%

APLS

22.59%

Free Cash Flow Yield

Winner

DUOL

7.95%

APLS

0.71%

DUOL vs APLS - Historical Returns

Returns include dividend reinvestment.

Period	DUOL	APLS
1 month	+1.89%	+0.44%
3 months	-5.42%	+89.08%
6 months	-36.42%	+101.82%
1 year	-79.68%	+145.69%
5 years(CAGR)	-5.33%	-1.50%
10 years(CAGR)	N/A	+13.44%
Max(CAGR)	-5.33%	+13.44%

Winner

DUOL

+1.89%

APLS

+0.44%

DUOL

-5.42%

Winner

APLS

+89.08%

DUOL

-36.42%

Winner

APLS

+101.82%

DUOL

-79.68%

Winner

APLS

+145.69%

5Y(CAGR)

DUOL

-5.33%

Winner

APLS

-1.50%

10Y(CAGR)

DUOL

N/A

APLS

+13.44%

Max(CAGR)

DUOL

-5.33%

Winner

APLS

+13.44%

DUOL vs APLS - Annual Returns (2017 - 2026)

Returns include dividend reinvestment.

Year	DUOL	APLS
2026	-39.47%	+58.66%
2025	-46.15%	-24.25%
2024	+51.26%	-47.92%
2023	+219.82%	+19.05%
2022	-32.30%	+6.03%
2021	-23.67%	-13.39%
2020	N/A	+83.54%
2019	N/A	+124.82%
2018	N/A	-36.53%
2017	N/A	+54.67%

DUOL vs APLS Drawdown Comparison

The maximum drawdown for DUOL was -83.35%, occurring on Apr 10, 2026. This drawdown has not yet recovered.

The maximum drawdown for APLS was -82.47%, occurring on May 15, 2025. This drawdown has not yet recovered.

The current DUOL drawdown is -80.24%. The current APLS drawdown is -56.03%.

Rank	DUOL	APLS
#1	-83.35% May 14, 2025 - Apr 10, 2026	-82.47% Jun 13, 2023 - May 15, 2025
#2	-68.92% Sep 23, 2021 - Nov 9, 2023	-61.77% Apr 16, 2018 - Sep 5, 2019
#3	-38.27% Feb 18, 2025 - May 2, 2025	-59.60% Feb 10, 2020 - Nov 20, 2020
#4	-36.16% May 7, 2024 - Sep 18, 2024	-55.99% Jul 2, 2021 - Apr 3, 2023
#5	-27.76% Dec 19, 2023 - May 6, 2024	-43.83% Jan 4, 2018 - Mar 14, 2018
#6	-17.81% Aug 5, 2021 - Sep 2, 2021	-31.32% Sep 6, 2019 - Jan 7, 2020
#7	-16.22% Dec 5, 2024 - Feb 4, 2025	-28.91% Jan 8, 2021 - Jun 1, 2021
#8	-8.46% Sep 10, 2021 - Sep 16, 2021	-21.52% Mar 16, 2018 - Apr 11, 2018
#9	-6.50% Nov 14, 2023 - Nov 24, 2023	-12.47% Dec 11, 2017 - Dec 21, 2017
#10	-6.11% Nov 8, 2024 - Nov 20, 2024	-8.62% May 5, 2023 - Jun 13, 2023
#11	-4.65% Nov 27, 2023 - Dec 12, 2023	-8.38% Dec 8, 2020 - Dec 15, 2020
#12	-4.43% Feb 10, 2025 - Feb 13, 2025	-8.03% Jun 14, 2021 - Jul 1, 2021
#13	-4.12% Oct 9, 2024 - Oct 29, 2024	-6.75% Apr 24, 2023 - May 5, 2023
#14	-3.33% Sep 25, 2024 - Oct 9, 2024	-6.20% Jan 21, 2020 - Feb 3, 2020
#15	-3.29% Jul 28, 2021 - Jul 30, 2021	-5.53% Nov 13, 2017 - Dec 8, 2017

Correlation

Correlation between DUOL and APLS is -0.54 which considered as a moderate negative correlation - the stocks show some tendency to move in opposite directions.

-0.54

-101