CSTAX vs. FPDIX
CSTAX (American Funds College 2027 Fund) and FPDIX (Fidelity Advisor 529 Aggressive Growth Portfolio Class I) are both Diversified Portfolio funds. Over the past 5 years, CSTAX returned 2.65%/yr vs 10.72%/yr for FPDIX. Their 0.68 correlation means they have sometimes moved together and sometimes differently.
Performance
CSTAX vs. FPDIX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, CSTAX achieves a 1.55% return, which is significantly lower than FPDIX's 13.52% return.
CSTAX
- 1D
- 0.24%
- 1M
- -0.24%
- 6M
- 0.89%
- YTD
- 1.55%
- 1Y
- 4.52%
- 3Y*
- 6.77%
- 5Y*
- 2.65%
- 10Y*
- 4.77%
- ALL TIME*
- 5.59%
FPDIX
- 1D
- 1.29%
- 1M
- 0.82%
- 6M
- 8.91%
- YTD
- 13.52%
- 1Y
- 23.76%
- 3Y*
- 20.05%
- 5Y*
- 10.72%
- 10Y*
- —
- ALL TIME*
- 13.40%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
CSTAX vs. FPDIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
CSTAX American Funds College 2027 Fund | 1.55% | 9.00% | 5.57% | 6.57% | -9.87% | 6.52% | 7.66% | 4.74% |
FPDIX Fidelity Advisor 529 Aggressive Growth Portfolio Class I | 13.52% | 24.03% | 15.81% | 20.91% | -17.98% | 17.54% | 18.10% | 9.07% |
Correlation
The correlation between CSTAX and FPDIX is 0.64, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.64 |
Correlation (3Y) Balances recent behavior with more history. | 0.59 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.61 |
Correlation (All Time) Calculated using the full available price history since Jun 20, 2019 | 0.68 |
The correlation between CSTAX and FPDIX has been stable across timeframes, ranging from 0.59 to 0.68 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
CSTAX vs. FPDIX — Risk / Return Rank
CSTAX
FPDIX
CSTAX vs. FPDIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Funds College 2027 Fund (CSTAX) and Fidelity Advisor 529 Aggressive Growth Portfolio Class I (FPDIX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| CSTAX | FPDIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.10 | ||
| Sortino ratioReturn per unit of downside risk | -0.07 | ||
| Omega ratioGain probability vs. loss probability | 1.30 | 1.31 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 1.79 | 2.53 | -0.74 |
| Martin ratioReturn relative to average drawdown | 6.71 | 10.30 | -3.59 |
Loading charts...
Drawdowns
CSTAX vs. FPDIX - Drawdown Comparison
The maximum CSTAX drawdown since its inception was -14.52%, smaller than the maximum FPDIX drawdown of -32.81%. Use the drawdown chart below to compare losses from any high point for CSTAX and FPDIX.
Loading charts...
Drawdown Indicators
| CSTAX | FPDIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -14.52% | -32.81% | +18.29% |
Max Drawdown (1Y)Largest decline over 1 year | -2.72% | -10.12% | +7.40% |
Max Drawdown (3Y)Largest decline over 3 years | -4.23% | -16.38% | +12.15% |
Max Drawdown (5Y)Largest decline over 5 years | -14.52% | -27.82% | +13.30% |
Max Drawdown (10Y)Largest decline over 10 years | -14.52% | — | — |
Current DrawdownCurrent decline from peak | -0.32% | -0.51% | +0.19% |
Average DrawdownAverage peak-to-trough decline | -2.32% | -6.09% | +3.77% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.72% | 2.42% | -1.70% |
Volatility
CSTAX vs. FPDIX - Volatility Comparison
The current volatility for American Funds College 2027 Fund (CSTAX) is 0.80%, while Fidelity Advisor 529 Aggressive Growth Portfolio Class I (FPDIX) has a volatility of 4.66%. This indicates that CSTAX experiences smaller price fluctuations and is considered to be less risky than FPDIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| CSTAX | FPDIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.80% | 4.66% | -3.86% |
Volatility (6M)Calculated over the trailing 6-month period | 2.56% | 12.85% | -10.29% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.08% | 15.32% | -12.24% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.17% | 16.99% | -11.82% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.70% | 18.81% | -13.11% |
Dividends
CSTAX vs. FPDIX - Dividend Comparison
CSTAX's dividend yield for the trailing twelve months is around 5.18%, while FPDIX has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CSTAX American Funds College 2027 Fund | 5.18% | 5.26% | 3.78% | 3.17% | 3.40% | 7.52% | 5.72% | 4.00% | 4.78% | 3.90% | 4.34% | 4.49% |
FPDIX Fidelity Advisor 529 Aggressive Growth Portfolio Class I | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
CSTAX and FPDIX have a correlation of 0.64, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FPDIX has higher volatility (4.66%) compared to CSTAX (0.80%). In terms of maximum drawdown, CSTAX dropped -14.52% vs FPDIX's -32.81%.
FPDIX currently has the higher Sharpe Ratio (1.68 vs 1.58), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for CSTAX and FPDIX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer