PairBook
HomeESTC › ESTC vs SPY

ESTC vs SPY: Correlation

How closely do Elastic N.V. (ESTC) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.38, which is moderate.

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

Correlation (3Y)
0.38
moderate
Correlation (1Y)
0.37
last 12 months
Correlation (5Y)
0.50
long-run
Ann. covariance
300.9
%² · weekly, annualized

How correlated are ESTC and SPY?

Across a 3-year window, the weekly returns of ESTC and SPY correlate at 0.38, moderate. Recent behaviour matches the longer record: 0.37 over 1 year against 0.38 over 3. Stretching to 5 years gives 0.50, with an annualized covariance of 300.9 %².

By 3-year correlation, SPY places #9 of the 14 assets tracked against ESTC. Their recent paths diverged sharply: over the last 12 months SPY outperformed by 20.1 percentage points (+0.5% for ESTC against +20.6% for SPY). Risk is not evenly split, since ESTC carries 3.8 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.

ESTC vs SPY: side by side

ESTC (Elastic N.V.)SPY (SPDR S&P 500 ETF Trust)
1-year return+0.5%+20.6%
5-year return-47.3%+82.4%
Volatility (ann.)55.1%14.5%
Beta vs S&P 5001.441.00
Max drawdown (3Y)-67.6%-18.8%
Market cap$8.7B
P/E (trailing)23.1
Dividend yield0.00%1.01%
Expense ratio0.09%
Assets under management$795.3B
Sector / categoryUS ListedETF · US Large Cap
Higher yield: SPY 1.01% vs 0.00%Smaller drawdown: SPY -18.8% vs -67.6%Higher 5y return: SPY +82.4% vs -47.3%

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.

-50%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. ESTC · SPY

Year-by-year returns

YearESTCSPY
2022-58.2%-18.2%
2023+118.8%+26.2%
2024-12.1%+24.9%
2025-23.9%+17.7%
2026+11.0%+13.7%

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

Are ESTC and SPY good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between ESTC and SPY?

Using weekly returns as of 2026-08-27: 0.38 over 3 years, with 0.37 over the last year and 0.50 over 5 years.

Is SPY a good diversifier for ESTC?

Yes, to a useful degree: a correlation of 0.38 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.38 mean?

A reading of 0.38 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/estc-vs-spy.json

ESTC vs SPY: 3-year weekly correlation 0.38ESTC vs SPY0.38

Embed this badge (it refreshes with the data), with attribution:

[![ESTC vs SPY correlation](https://www.pairbook.io/api/v1/badge/estc-vs-spy.svg)](https://www.pairbook.io/pair/estc-vs-spy/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: ESTC correlations · SPY correlations