TRCSX vs. TISBX

Last updated Jun 4, 2026

TRCSX (T. Rowe Price Small-Cap Index Fund) and TISBX (TIAA-CREF Small-Cap Blend Index Fund) are both Small Cap Blend Equities funds. Over the past 5 years, TRCSX returned 6.54%/yr vs 6.67%/yr for TISBX. Their correlation of 0.95 suggests significant overlap in exposure. TRCSX charges 0.14%/yr vs 0.05%/yr for TISBX.

Performance

TRCSX vs. TISBX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in T. Rowe Price Small-Cap Index Fund (TRCSX) and TIAA-CREF Small-Cap Blend Index Fund (TISBX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with TRCSX having a 18.68% return and TISBX slightly higher at 18.69%.

TRCSX

• 1D: 0.89%
• 1M: 4.98%
• YTD: 18.68%
• 6M: 17.42%
• 1Y: 41.07%
• 3Y*: 18.53%
• 5Y*: 6.54%
• 10Y*: —

TISBX

• 1D: 0.92%
• 1M: 5.00%
• YTD: 18.69%
• 6M: 17.39%
• 1Y: 41.07%
• 3Y*: 18.65%
• 5Y*: 6.67%
• 10Y*: 11.09%

*Multi-year figures are annualized to reflect compound growth (CAGR)

TRCSX vs. TISBX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
TRCSX T. Rowe Price Small-Cap Index Fund	18.68%	12.72%	11.36%	16.97%	-20.47%	4.05%
TISBX TIAA-CREF Small-Cap Blend Index Fund	18.69%	12.72%	11.60%	17.07%	-20.31%	4.15%

Correlation

The correlation between TRCSX and TISBX is 0.87, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.87
Correlation (3Y) Calculated over the trailing 3-year period	0.90
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (All Time) Calculated using the full available price history since May 14, 2021	0.95

The correlation between TRCSX and TISBX has been stable across timeframes, ranging from 0.87 to 0.95 - a consistent structural relationship.

Return for Risk

TRCSX vs. TISBX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

TRCSX

TRCSX Risk / Return Rank: 75
TRCSX Sharpe Ratio Rank: 77
TRCSX Sortino Ratio Rank: 71
TRCSX Omega Ratio Rank: 55
TRCSX Calmar Ratio Rank: 90
TRCSX Martin Ratio Rank: 84

TISBX

TISBX Risk / Return Rank: 64
TISBX Sharpe Ratio Rank: 60
TISBX Sortino Ratio Rank: 55
TISBX Omega Ratio Rank: 47
TISBX Calmar Ratio Rank: 85
TISBX Martin Ratio Rank: 74

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

TRCSX vs. TISBX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Small-Cap Index Fund (TRCSX) and TIAA-CREF Small-Cap Blend Index Fund (TISBX). 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.

	TRCSX	TISBX	Difference
Sharpe ratio: Return per unit of total volatility	2.56	2.28	+0.28
Sortino ratio: Return per unit of downside risk	3.52	3.12	+0.40
Omega ratio: Gain probability vs. loss probability	1.41	1.37	+0.04
Calmar ratio: Return relative to maximum drawdown	4.58	3.99	+0.59
Martin ratio: Return relative to average drawdown	15.85	14.14	+1.71
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TRCSX vs. TISBX - Sharpe Ratio Comparison

The current TRCSX Sharpe Ratio is 2.56, which is comparable to the TISBX Sharpe Ratio of 2.28. The chart below compares the historical Sharpe Ratios of TRCSX and TISBX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	TRCSX	TISBX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.56	2.28	+0.28
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.29	0.30	-0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.48	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.34	0.39	-0.05

Drawdowns

TRCSX vs. TISBX - Drawdown Comparison

The maximum TRCSX drawdown since its inception was -31.94%, smaller than the maximum TISBX drawdown of -56.50%. Use the drawdown chart below to compare losses from any high point for TRCSX and TISBX.

Drawdown Indicators

	TRCSX	TISBX	Difference
Max Drawdown Largest peak-to-trough decline	-31.94%	-56.50%	+24.56%
Max Drawdown (1Y) Largest decline over 1 year	-10.96%	-10.95%	-0.01%
Max Drawdown (3Y) Largest decline over 3 years	-27.82%	-27.44%	-0.38%
Max Drawdown (5Y) Largest decline over 5 years	-31.94%	-31.89%	-0.05%
Max Drawdown (10Y) Largest decline over 10 years	—	-41.69%	—
Current Drawdown Current decline from peak	-0.15%	-0.13%	-0.02%
Average Drawdown Average peak-to-trough decline	-13.51%	-9.69%	-3.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.01%	3.08%	-0.07%

Volatility

TRCSX vs. TISBX - Volatility Comparison

T. Rowe Price Small-Cap Index Fund (TRCSX) and TIAA-CREF Small-Cap Blend Index Fund (TISBX) have volatilities of 5.66% and 5.59%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TRCSX	TISBX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.66%	5.59%	+0.07%
Volatility (6M) Calculated over the trailing 6-month period	14.60%	13.58%	+1.02%
Volatility (1Y) Calculated over the trailing 1-year period	19.58%	19.16%	+0.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.15%	22.55%	+0.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.10%	23.44%	-0.34%

TRCSX vs. TISBX - Expense Ratio Comparison

TRCSX has a 0.14% expense ratio, which is higher than TISBX's 0.05% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

TRCSX vs. TISBX - Dividend Comparison

TRCSX's dividend yield for the trailing twelve months is around 2.02%, less than TISBX's 3.47% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
TISBX TIAA-CREF Small-Cap Blend Index Fund	3.47%	4.12%	6.82%	3.09%	1.97%	8.96%	2.65%	5.16%	9.29%	4.49%	4.03%	4.77%
TRCSX T. Rowe Price Small-Cap Index Fund	2.02%	2.39%	3.18%	1.27%	1.58%	1.69%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both TRCSX and TISBX in my portfolio?

TRCSX and TISBX have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TRCSX or TISBX?

TRCSX has higher volatility (5.66%) compared to TISBX (5.59%). In terms of maximum drawdown, TRCSX dropped -31.94% vs TISBX's -56.50%.

Which has better risk-adjusted returns?

TRCSX currently has the higher Sharpe Ratio (2.56 vs 2.28), 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.