PLMK vs TGEN

Comparison between Plum Acquisition Corp IV - Class A (PLMK, Company) and Tecogen Inc (TGEN, Company).

PLMK is from the Financial Services sector, while TGEN is from the Industrials sector.

PLMK vs TGEN - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	PLMK(COMPANY)	TGEN(COMPANY)
Market Cap	$197M	$196M
Max Drawdown	1.89%	96.97%
Sharpe Ratio	0.11	0.65
5Y Beta	-0.00	1.91
Industry	Shell Companies	Electrical Equipment & Parts
P/E Ratio	34.19	-19.70
Forward P/E	N/A	101.01
PEG Ratio	N/A	-0.21
5Y EPS CAGR	N/A	21.10%
Debt to Equity	0.14%	0.00%
Free Cash Flow Yield	-0.37%	-6.19%
P/S Ratio	N/A	7.52
P/B Ratio	1.47	9.97

Market Cap

Winner

PLMK

$197M

TGEN

$196M

Max Drawdown

Winner

PLMK

1.89%

TGEN

96.97%

Sharpe Ratio

PLMK

0.11

Winner

TGEN

0.65

5Y Beta

Winner

PLMK

-0.00

TGEN

1.91

Industry

PLMK

Shell Companies

TGEN

Electrical Equipment & Parts

P/E Ratio

PLMK

34.19

Winner

TGEN

-19.70

Forward P/E

PLMK

N/A

TGEN

101.01

PEG Ratio

PLMK

N/A

TGEN

-0.21

5Y EPS CAGR

PLMK

N/A

TGEN

21.10%

Debt to Equity

PLMK

0.14%

Winner

TGEN

0.00%

Free Cash Flow Yield

Winner

PLMK

-0.37%

TGEN

-6.19%

P/S Ratio

PLMK

N/A

TGEN

7.52

P/B Ratio

Winner

PLMK

1.47

TGEN

9.97

PLMK vs TGEN - Historical Returns

Returns include dividend reinvestment.

Period	PLMK	TGEN
1 month	+0.66%	+16.19%
3 months	+1.33%	+79.37%
6 months	+2.50%	-18.12%
1 year	+4.20%	+7.89%
5 years(CAGR)	N/A	+27.62%
10 years(CAGR)	N/A	+2.77%
Max(CAGR)	+5.12%	-0.86%

PLMK

+0.66%

Winner

TGEN

+16.19%

PLMK

+1.33%

Winner

TGEN

+79.37%

Winner

PLMK

+2.50%

TGEN

-18.12%

PLMK

+4.20%

Winner

TGEN

+7.89%

5Y(CAGR)

PLMK

N/A

TGEN

+27.62%

10Y(CAGR)

PLMK

N/A

TGEN

+2.77%

Max(CAGR)

Winner

PLMK

+5.12%

TGEN

-0.86%

PLMK vs TGEN - Annual Returns (2014 - 2026)

Returns include dividend reinvestment.

Year	PLMK	TGEN
2026	+2.30%	+7.49%
2025	+4.92%	+218.71%
2024	N/A	+87.82%
2023	N/A	-35.20%
2022	N/A	+4.60%
2021	N/A	-4.00%
2020	N/A	-43.42%
2019	N/A	-42.70%
2018	N/A	+38.55%
2017	N/A	-31.47%
2016	N/A	+26.51%
2015	N/A	-30.14%
2014	N/A	-18.05%

PLMK vs TGEN Drawdown Comparison

The maximum drawdown for PLMK was -1.89%, occurring on Nov 24, 2025. Recovery took 106 trading sessions.

The maximum drawdown for TGEN was -96.97%, occurring on Apr 19, 2024. This drawdown has not yet recovered.

The current TGEN drawdown is -72.40%.

Rank	PLMK	TGEN
#1	-1.89% Oct 21, 2025 - Mar 25, 2026	-96.97% May 22, 2014 - Apr 19, 2024
#2	-0.69% Mar 24, 2025 - Apr 29, 2025	N/A
#3	-0.68% Jul 31, 2025 - Oct 16, 2025	N/A
#4	-0.47% Mar 25, 2026 - Apr 14, 2026	N/A
#5	-0.38% Apr 14, 2026 - May 6, 2026	N/A
#6	-0.29% Jun 23, 2025 - Jul 18, 2025	N/A
#7	-0.28% May 13, 2026 - May 19, 2026	N/A
#8	-0.20% Feb 6, 2025 - Feb 21, 2025	N/A
#9	-0.20% Mar 6, 2025 - Mar 19, 2025	N/A
#10	-0.20% May 5, 2025 - May 28, 2025	N/A
#11	-0.20% Jun 4, 2025 - Jun 10, 2025	N/A
#12	-0.14% May 7, 2026 - May 13, 2026	N/A
#13	-0.10% Feb 21, 2025 - Feb 25, 2025	N/A
#14	-0.10% Jan 31, 2025 - Feb 5, 2025	N/A
#15	-0.10% Jul 25, 2025 - Jul 31, 2025	N/A