PTIX vs QSEAR

Comparison between Protagenic Therapeutics Inc (PTIX, Company) and Quartzsea Acquisition Corp (QSEAR, Company).

PTIX vs QSEAR - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	PTIX(COMPANY)	QSEAR(COMPANY)
Market Cap	$696K	$654K
Max Drawdown	99.98%	65.56%
Sharpe Ratio	-0.44	0.52
5Y Beta	N/A	-0.31
Industry	Biotechnology	N/A
P/E Ratio	-0.07	0.61
5Y EPS CAGR	9.80%	N/A
Debt to Equity	0.00%	0.00%

Market Cap

Winner

PTIX

$696K

QSEAR

$654K

Max Drawdown

PTIX

99.98%

Winner

QSEAR

65.56%

Sharpe Ratio

PTIX

-0.44

Winner

QSEAR

0.52

5Y Beta

PTIX

N/A

QSEAR

-0.31

Industry

PTIX

Biotechnology

QSEAR

N/A

P/E Ratio

Winner

PTIX

-0.07

QSEAR

0.61

5Y EPS CAGR

PTIX

9.80%

QSEAR

N/A

Debt to Equity

PTIX

0.00%

QSEAR

0.00%

PTIX vs QSEAR - Historical Returns

Returns include dividend reinvestment.

Period	PTIX	QSEAR
1 month	-34.08%	-12.00%
3 months	-52.01%	+22.22%
6 months	-72.84%	+9.95%
1 year	-90.70%	-15.42%
5 years(CAGR)	-71.03%	N/A
10 years(CAGR)	-54.11%	N/A
Max(CAGR)	-44.56%	-10.76%

PTIX

-34.08%

Winner

QSEAR

-12.00%

PTIX

-52.01%

Winner

QSEAR

+22.22%

PTIX

-72.84%

Winner

QSEAR

+9.95%

PTIX

-90.70%

Winner

QSEAR

-15.42%

5Y(CAGR)

PTIX

-71.03%

QSEAR

N/A

10Y(CAGR)

PTIX

-54.11%

QSEAR

N/A

Max(CAGR)

PTIX

-44.56%

Winner

QSEAR

-10.76%

PTIX vs QSEAR - Annual Returns (2016 - 2026)

Returns include dividend reinvestment.

Year	PTIX	QSEAR
2026	-51.36%	+0.00%
2025	-82.13%	-19.92%
2024	-46.74%	N/A
2023	-39.63%	N/A
2022	-71.43%	N/A
2021	+31.90%	N/A
2020	-25.54%	N/A
2019	-29.49%	N/A
2018	-9.09%	N/A
2017	-71.55%	N/A
2016	+150.00%	N/A

PTIX vs QSEAR Drawdown Comparison

The maximum drawdown for PTIX was -99.98%, occurring on Feb 17, 2026. This drawdown has not yet recovered.

The maximum drawdown for QSEAR was -65.56%, occurring on Apr 8, 2026. This drawdown has not yet recovered.

The current PTIX drawdown is -99.98%. The current QSEAR drawdown is -31.25%.

Rank	PTIX	QSEAR
#1	-99.98% Apr 6, 2016 - Feb 17, 2026	-65.56% Feb 17, 2026 - Apr 8, 2026
#2	-66.67% Jan 29, 2016 - Apr 6, 2016	-35.71% Jul 15, 2025 - Feb 17, 2026
#3	N/A	-13.79% May 13, 2025 - Jul 14, 2025