GLW vs TWN: Correlation
Measured on weekly returns over the past three years, Corning Inc. (GLW) and Taiwan Fund, Inc. (The) (TWN) carry a correlation of 0.52, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GLW and TWN?
On 3 years of weekly data the GLW/TWN correlation comes out at 0.52, moderate. Little has changed lately, as the 1-year reading of 0.51 lands near the 3-year figure. The 5-year figure is 0.46, and annualized covariance runs at 630.1 %².
By 3-year correlation, TWN places #15 of the 37 assets tracked against GLW. Their 12-month results are close: +129.7% for GLW against +127.8% for TWN.
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.
GLW vs TWN: side by side
| GLW (Corning Inc.) | TWN (Taiwan Fund, Inc. (The)) | |
|---|---|---|
| 1-year return | +129.7% | +127.8% |
| 5-year return | +331.4% | +320.4% |
| Volatility (ann.) | 42.1% | 28.9% |
| Beta vs S&P 500 | 1.15 | 1.26 |
| Max drawdown (3Y) | -51.5% | -30.0% |
| Market cap | $131.6B | $0.6B |
| P/E (trailing) | 70.4 | 2.6 |
| Dividend yield | 0.73% | 6.18% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | GLW | TWN |
|---|---|---|
| 2022 | -11.6% | -38.5% |
| 2023 | -1.2% | +51.7% |
| 2024 | +60.6% | +32.8% |
| 2025 | +87.8% | +54.1% |
| 2026 | +75.1% | +92.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GLW and TWN good diversifiers for each other?
To a limited degree. At 0.52 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between GLW and TWN?
Using weekly returns as of 2026-08-27: 0.52 over 3 years, with 0.51 over the last year and 0.46 over 5 years.
Is TWN a good diversifier for GLW?
To a limited degree. At 0.52 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.52 mean?
On the −1 to +1 scale, 0.52 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/glw-vs-twn.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/glw-vs-twn/)
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Related comparisons
Hubs: GLW correlations · TWN correlations
