PairBook
HomeIMCC › IMCC vs PRTA

IMCC vs PRTA: Correlation

IM Cannabis Corp. (IMCC) and Prothena Corporation plc (PRTA) show a negative relationship: their 3-year correlation of weekly returns is -0.23.

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

Correlation (3Y)
-0.23
negative
Correlation (1Y)
0.00
last 12 months
Correlation (5Y)
-0.09
long-run
Ann. covariance
-2275.4
%² · weekly, annualized

How correlated are IMCC and PRTA?

Over the past 3 years, IMCC and PRTA moved with a correlation of -0.23, which is negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.00) than the 3-year average (-0.23). Over 5 years the correlation is -0.09, and the annualized covariance of weekly returns is -2275.4 %².

Out of 14 assets tracked against IMCC, PRTA lands near the bottom at #13. Correlation aside, the last 12 months split them widely, with PRTA ahead by 100.4 points (-94.2% versus +6.2%). Risk is not evenly split, since IMCC carries 3.0 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.

IMCC vs PRTA: side by side

IMCC (IM Cannabis Corp.)PRTA (Prothena Corporation plc)
1-year return-94.2%+6.2%
5-year return-99.9%-86.9%
Volatility (ann.)174.2%57.9%
Beta vs S&P 5001.110.93
Max drawdown (3Y)-98.4%-91.9%
Market cap$0.5B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: PRTA -91.9% vs -98.4%Higher 5y return: PRTA -86.9% vs -99.9%
-94%0%+30%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). IMCC · PRTA

Year-by-year returns

YearIMCCPRTA
2022-97.1%+22.0%
2023-63.4%-39.7%
2024+8.8%-61.9%
2025-40.4%-31.0%
2026-90.6%-4.8%

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

Are IMCC and PRTA good diversifiers for each other?

Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between IMCC and PRTA?

The IMCC/PRTA correlation stands at -0.23 on a 3-year window (1 year: 0.00, 5 years: -0.09), computed from weekly returns as of 2026-08-27.

Is PRTA a good diversifier for IMCC?

Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.23 mean?

A reading of -0.23 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/imcc-vs-prta.json

IMCC vs PRTA: 3-year weekly correlation -0.23IMCC vs PRTA-0.23

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

[![IMCC vs PRTA correlation](https://www.pairbook.io/api/v1/badge/imcc-vs-prta.svg)](https://www.pairbook.io/pair/imcc-vs-prta/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: IMCC correlations · PRTA correlations