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GCTK vs PTIX

Comparison between GlucoTrack Inc (GCTK, Company) and Protagenic Therapeutics Inc (PTIX, Company).

Both GCTK and PTIX are from the Healthcare sector.

5-Year PerformancePTIX has outperformed GCTK, delivering a return of -71.0% compared to -89.6%

GCTK vs PTIX - Performance Comparison

Key Characteristics

Financial metrics and valuation ratios

Market Cap
Winner
GCTK
$726K
PTIX
$696K
Max Drawdown
GCTK
100.00%
Winner
PTIX
99.98%
Sharpe Ratio
GCTK
-0.91
Winner
PTIX
-0.44
5Y Beta
GCTK
0.00
PTIX
N/A
Industry
GCTK
Medical Instruments & Supplies
PTIX
Biotechnology
P/E Ratio
GCTK
-0.03
Winner
PTIX
-0.07
5Y EPS CAGR
GCTK
N/A
PTIX
9.80%
Debt to Equity
GCTK
0.00%
PTIX
0.00%
P/S Ratio
GCTK
526.95
PTIX
N/A
P/B Ratio
GCTK
0.24
PTIX
N/A

GCTK vs PTIX - Historical Returns

Returns include dividend reinvestment.

1M
GCTK
-44.50%
Winner
PTIX
-34.08%
3M
GCTK
-69.72%
Winner
PTIX
-52.01%
6M
GCTK
-92.14%
Winner
PTIX
-72.84%
1Y
GCTK
-93.68%
Winner
PTIX
-90.70%
5Y(CAGR)
GCTK
-89.60%
Winner
PTIX
-71.03%
10Y(CAGR)
GCTK
-74.75%
Winner
PTIX
-54.11%
Max(CAGR)
GCTK
-66.00%
Winner
PTIX
-44.56%

GCTK vs PTIX - Annual Returns (2013 - 2026)

Returns include dividend reinvestment.

YearGCTKPTIX
2026-91.49%-51.36%
2025-98.98%-82.13%
2024-73.82%-46.74%
2023-82.65%-39.63%
2022-66.19%-71.43%
2021-9.64%+31.90%
2020-40.83%-25.54%
2019+22.43%-29.49%
2018-75.00%-9.09%
2017-20.00%-71.55%
2016-28.57%+150.00%
2015-41.67%N/A
2014-29.41%N/A
2013+36.00%N/A

GCTK vs PTIX Drawdown Comparison

The maximum drawdown for GCTK was -100.00%, occurring on Jun 26, 2026. This drawdown has not yet recovered.

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

The current GCTK drawdown is -100.00%. The current PTIX drawdown is -99.98%.

RankGCTKPTIX
#1-100.00%
May 17, 2013 - Jun 26, 2026
-99.98%
Apr 6, 2016 - Feb 17, 2026
#2N/A-66.67%
Jan 29, 2016 - Apr 6, 2016

Correlation

Correlation between GCTK and PTIX is 0.72 which considered as a strong positive correlation - the stocks tend to move together.

0.72
-101

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