GDTC vs NWS: Correlation
How closely do CytoMed Therapeutics Limited (GDTC) and News Corp (Class B) (NWS) trade together? Their weekly returns over three years give a correlation of -0.20, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GDTC and NWS?
Across a 3-year window, the weekly returns of GDTC and NWS correlate at -0.20, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.44) than the 3-year average (-0.20). Stretching to 5 years gives n/a, with an annualized covariance of -363.7 %².
Among the 16 assets we track against GDTC, NWS sits near the bottom by co-movement, at rank #12. The last year tells two different stories: NWS led by 57.0 percentage points, -52.7% for GDTC against +4.3% for NWS. Risk is not evenly split, since GDTC carries 3.1 times the volatility of the other side.
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.
GDTC vs NWS: side by side
| GDTC (CytoMed Therapeutics Limited) | NWS (News Corp (Class B)) | |
|---|---|---|
| 1-year return | -52.7% | +4.3% |
| 5-year return | n/a | +67.8% |
| Volatility (ann.) | 75.2% | 24.5% |
| Beta vs S&P 500 | 0.08 | 0.77 |
| Max drawdown (3Y) | -86.1% | -26.8% |
| Market cap | – | $19.0B |
| P/E (trailing) | – | 34.3 |
| Dividend yield | 0.00% | 0.57% |
| Sector / category | US Listed | Communication Services |
Year-by-year returns
| Year | GDTC | NWS |
|---|---|---|
| 2022 | – | -17.2% |
| 2023 | – | +41.0% |
| 2024 | -30.6% | +19.2% |
| 2025 | -60.7% | -2.0% |
| 2026 | -28.8% | +19.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GDTC and NWS good diversifiers for each other?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between GDTC and NWS?
Using weekly returns as of 2026-08-27: -0.20 over 3 years, with -0.44 over the last year and n/a over 5 years.
Is NWS a good diversifier for GDTC?
Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.20 mean?
On the −1 to +1 scale, -0.20 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/gdtc-vs-nws.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/gdtc-vs-nws/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: GDTC correlations · NWS correlations
