IBAC vs NCTY: Correlation
IB Acquisition Corp. (IBAC) and The9 Limited - American Depository Shares (NCTY) show a negative relationship: their 3-year correlation of weekly returns is -0.19.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IBAC and NCTY?
Across a 3-year window, the weekly returns of IBAC and NCTY correlate at -0.19, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.11) sits close to the 3-year figure. Stretching to 5 years gives n/a, with an annualized covariance of -34.7 %².
Among the 62 assets we track against IBAC, NCTY ranks #13 by 3-year correlation. Correlation aside, the last 12 months split them widely, with IBAC ahead by 49.0 points (+3.3% versus -45.7%). One caveat on sizing: NCTY is 45.3 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.
IBAC vs NCTY: side by side
| IBAC (IB Acquisition Corp.) | NCTY (The9 Limited - American Depository Shares) | |
|---|---|---|
| 1-year return | +3.3% | -45.7% |
| 5-year return | n/a | -97.0% |
| Volatility (ann.) | 2.1% | 95.1% |
| Beta vs S&P 500 | -0.00 | 0.96 |
| Max drawdown (3Y) | -3.2% | -83.1% |
| Market cap | $0.1B | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | IBAC | NCTY |
|---|---|---|
| 2022 | – | -91.5% |
| 2023 | – | +31.4% |
| 2024 | – | +94.1% |
| 2025 | +3.7% | -56.2% |
| 2026 | +3.7% | -26.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IBAC and NCTY good diversifiers for each other?
Yes. With a correlation of -0.19, IBAC and NCTY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between IBAC and NCTY?
Using weekly returns as of 2026-08-27: -0.19 over 3 years, with -0.11 over the last year and n/a over 5 years.
Is NCTY a good diversifier for IBAC?
Yes. With a correlation of -0.19, IBAC and NCTY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.19 mean?
A reading of -0.19 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
$ curl https://www.pairbook.io/api/v1/pairs/ibac-vs-ncty.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ibac-vs-ncty/)
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Related comparisons
Hubs: IBAC correlations · NCTY correlations