MDWD vs SPY: Correlation
Measured on weekly returns over the past three years, MediWound Ltd. (MDWD) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.28, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MDWD and SPY?
Across a 3-year window, the weekly returns of MDWD and SPY correlate at 0.28, weak. Recent behaviour matches the longer record: 0.21 over 1 year against 0.28 over 3. Stretching to 5 years gives 0.28, with an annualized covariance of 205.5 %².
Out of 10 assets tracked against MDWD, SPY lands near the bottom at #6. Correlation aside, the last 12 months split them widely, with SPY ahead by 42.7 points (-22.1% versus +20.6%). One caveat on sizing: MDWD is 3.6 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.
MDWD vs SPY: side by side
| MDWD (MediWound Ltd.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -22.1% | +20.6% |
| 5-year return | -47.2% | +82.4% |
| Volatility (ann.) | 51.6% | 14.5% |
| Beta vs S&P 500 | 0.98 | 1.00 |
| Max drawdown (3Y) | -42.9% | -18.8% |
| Market cap | $0.2B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | US Listed | ETF · US Large Cap |
SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | MDWD | SPY |
|---|---|---|
| 2022 | -18.3% | -18.2% |
| 2023 | -24.6% | +26.2% |
| 2024 | +75.0% | +24.9% |
| 2025 | +3.7% | +17.7% |
| 2026 | -28.3% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MDWD and SPY good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.28 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between MDWD and SPY?
The MDWD/SPY correlation stands at 0.28 on a 3-year window (1 year: 0.21, 5 years: 0.28), computed from weekly returns as of 2026-08-27.
Is SPY a good diversifier for MDWD?
Yes, to a useful degree: a correlation of 0.28 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.28 mean?
On the −1 to +1 scale, 0.28 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/mdwd-vs-spy.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/mdwd-vs-spy/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: MDWD correlations · SPY correlations