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GALT vs OPTX: Correlation

Measured on weekly returns over the past three years, Galectin Therapeutics Inc. (GALT) and Syntec Optics Holdings, Inc. (OPTX) carry a correlation of -0.24, a negative link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
-0.24
negative
Correlation (1Y)
-0.02
last 12 months
Correlation (5Y)
-0.21
long-run
Ann. covariance
-4582.8
%² · weekly, annualized

How correlated are GALT and OPTX?

On 3 years of weekly data the GALT/OPTX correlation comes out at -0.24, negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.02 versus -0.24 over 3 years. The 5-year figure is -0.21, and annualized covariance runs at -4582.8 %².

Out of 11 assets tracked against GALT, OPTX lands near the bottom at #10. The last year tells two different stories: OPTX led by 445.1 percentage points, +4.0% for GALT against +449.1% for OPTX. One caveat on sizing: OPTX is 1.9 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

GALT vs OPTX: side by side

GALT (Galectin Therapeutics Inc.)OPTX (Syntec Optics Holdings, Inc.)
1-year return+4.0%+449.1%
5-year return+7.5%-11.3%
Volatility (ann.)99.6%192.0%
Beta vs S&P 5000.291.00
Max drawdown (3Y)-80.0%-93.0%
Market cap$0.4B$0.4B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: GALT -80.0% vs -93.0%Higher 5y return: GALT +7.5% vs -11.3%
-54%0%+783%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. GALT · OPTX

Year-by-year returns

YearGALTOPTX
2022-45.4%
2023+46.9%-49.7%
2024-22.3%-49.9%
2025+222.5%+13.5%
2026-0.5%+205.2%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are GALT and OPTX good diversifiers for each other?

Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between GALT and OPTX?

The GALT/OPTX correlation stands at -0.24 on a 3-year window (1 year: -0.02, 5 years: -0.21), computed from weekly returns as of 2026-08-27.

Is OPTX a good diversifier for GALT?

Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.24 mean?

A reading of -0.24 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/galt-vs-optx.json

GALT vs OPTX: 3-year weekly correlation -0.24GALT vs OPTX-0.24

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Related comparisons

Hubs: GALT correlations · OPTX correlations