PairBook
HomeIWM › IWM vs PRG

IWM vs PRG: Correlation

How closely do iShares Russell 2000 ETF (IWM) and PROG Holdings, Inc. (PRG) trade together? Their weekly returns over three years give a correlation of 0.56, which is moderate.

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

Correlation (3Y)
0.56
moderate
Correlation (1Y)
0.52
last 12 months
Correlation (5Y)
0.57
long-run
Ann. covariance
517.8
%² · weekly, annualized

How correlated are IWM and PRG?

On 3 years of weekly data the IWM/PRG correlation comes out at 0.56, moderate. Little has changed lately, as the 1-year reading of 0.52 lands near the 3-year figure. The 5-year figure is 0.57, and annualized covariance runs at 517.8 %².

Among the 320 assets we track against IWM, PRG ranks #162 by 3-year correlation. On 12-month performance IWM holds a 14.5-point edge, +28.4% against +13.9%. Note the risk asymmetry: PRG runs 2.4 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

IWM vs PRG: side by side

IWM (iShares Russell 2000 ETF)PRG (PROG Holdings, Inc.)
1-year return+28.4%+13.9%
5-year return+41.5%-13.8%
Volatility (ann.)19.8%46.7%
Beta vs S&P 5001.061.07
Max drawdown (3Y)-27.5%-51.9%
Market cap$1.6B
P/E (trailing)12.8
Dividend yield0.91%1.36%
Expense ratio0.19%
Assets under management$80.1B
Sector / categoryETF · US Small & Mid CapUS Listed
Higher yield: PRG 1.36% vs 0.91%Smaller drawdown: IWM -27.5% vs -51.9%Higher 5y return: IWM +41.5% vs -13.8%

IWM is a Small Blend fund from iShares: $80.1B under management, 1757 holdings, a 0.19% expense ratio, a 0.91% trailing dividend yield.

-23%0%+33%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. IWM · PRG

Year-by-year returns

YearIWMPRG
2022-20.5%-62.6%
2023+16.8%+83.0%
2024+11.4%+38.4%
2025+12.7%-29.0%
2026+22.3%+36.1%

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

Fund exposure

Keep in mind that IWM holds PRG at a 0.05% weight, which makes a slice of this correlation mechanical rather than coincidental.

Are IWM and PRG good diversifiers for each other?

Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between IWM and PRG?

Using weekly returns as of 2026-08-27: 0.56 over 3 years, with 0.52 over the last year and 0.57 over 5 years.

Is PRG a good diversifier for IWM?

Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.56 mean?

On the −1 to +1 scale, 0.56 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

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

IWM vs PRG: 3-year weekly correlation 0.56IWM vs PRG0.56

Markdown for the live badge, attribution link included:

[![IWM vs PRG correlation](https://www.pairbook.io/api/v1/badge/iwm-vs-prg.svg)](https://www.pairbook.io/pair/iwm-vs-prg/)

No key needed, free to use. Full endpoint list in the API documentation.

Related comparisons

Hubs: IWM correlations · PRG correlations