PairBook
HomeGTLB › GTLB vs SPY

GTLB vs SPY: Correlation

Measured on weekly returns over the past three years, GitLab Inc. (GTLB) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.41, a moderate link.

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

Correlation (3Y)
0.41
moderate
Correlation (1Y)
0.39
last 12 months
Correlation (5Y)
0.44
long-run
Ann. covariance
311.0
%² · weekly, annualized

How correlated are GTLB and SPY?

Across a 3-year window, the weekly returns of GTLB and SPY correlate at 0.41, moderate. Recent behaviour matches the longer record: 0.39 over 1 year against 0.41 over 3. Stretching to 5 years gives 0.44, with an annualized covariance of 311.0 %².

By 3-year correlation, SPY places #14 of the 19 assets tracked against GTLB. The last year tells two different stories: SPY led by 25.8 percentage points, -5.2% for GTLB against +20.6% for SPY. Risk is not evenly split, since GTLB carries 3.6 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.

GTLB vs SPY: side by side

GTLB (GitLab Inc.)SPY (SPDR S&P 500 ETF Trust)
1-year return-5.2%+20.6%
5-year return-56.9%+82.4%
Volatility (ann.)52.0%14.5%
Beta vs S&P 5001.491.00
Max drawdown (3Y)-75.0%-18.8%
Market cap$7.6B
P/E (trailing)
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 -75.0%Higher 5y return: SPY +82.4% vs -56.9%

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.

-58%0%+21%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. GTLB · SPY

Year-by-year returns

YearGTLBSPY
2022-47.8%-18.2%
2023+38.6%+26.2%
2024-10.5%+24.9%
2025-33.4%+17.7%
2026+19.4%+13.7%

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

Are GTLB and SPY good diversifiers for each other?

A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between GTLB and SPY?

Using weekly returns as of 2026-08-27: 0.41 over 3 years, with 0.39 over the last year and 0.44 over 5 years.

Is SPY a good diversifier for GTLB?

A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.41 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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

GTLB vs SPY: 3-year weekly correlation 0.41GTLB vs SPY0.41

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

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

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

Related comparisons

Hubs: GTLB correlations · SPY correlations