SLG vs. KRC

Last updated Jun 3, 2026

SLG (SL Green Realty Corp.) and KRC (Kilroy Realty Corporation) are both stocks. Both operate in the REIT - Office industry within the Real Estate sector. Over the past 10 years, SLG returned -3.04%/yr vs -1.65%/yr for KRC. A 0.67 correlation means they provide meaningful diversification when combined.

Performance

SLG vs. KRC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SL Green Realty Corp. (SLG) and Kilroy Realty Corporation (KRC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SLG achieves a 0.13% return, which is significantly higher than KRC's -4.71% return. Over the past 10 years, SLG has underperformed KRC with an annualized return of -3.04%, while KRC has yielded a comparatively higher -1.65% annualized return.

SLG

• 1D: 0.89%
• 1M: 5.34%
• YTD: 0.13%
• 6M: -2.32%
• 1Y: -17.68%
• 3Y*: 31.15%
• 5Y*: -5.53%
• 10Y*: -3.04%

KRC

• 1D: 2.74%
• 1M: 3.83%
• YTD: -4.71%
• 6M: -14.40%
• 1Y: 15.20%
• 3Y*: 14.76%
• 5Y*: -8.86%
• 10Y*: -1.65%

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

SLG vs. KRC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SLG SL Green Realty Corp.	0.13%	-29.03%	58.26%	48.75%	-50.94%	22.86%	-29.14%	20.96%	-18.80%	-3.25%
KRC Kilroy Realty Corporation	-4.71%	-2.00%	7.81%	10.09%	-39.25%	19.30%	-29.18%	36.76%	-13.54%	4.28%

Correlation

The correlation between SLG and KRC is 0.69, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.69
Correlation (3Y) Calculated over the trailing 3-year period	0.76
Correlation (5Y) Calculated over the trailing 5-year period	0.78
Correlation (10Y) Calculated over the trailing 10-year period	0.73
Correlation (All Time) Calculated using the full available price history since Aug 18, 1997	0.67

The correlation between SLG and KRC shifts across timeframes, from 0.67 (all time) to 0.78 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

EPS SLG : -$2.05 KRC : $2.32
PS Ratio SLG : 3.48 KRC : 3.73
Total Revenue (TTM) SLG : $993.51M KRC : $1.11B
Gross Profit (TTM) SLG : $662.81M KRC : $745.51M
EBITDA (TTM) SLG : $547.76M KRC : $808.51M

Return for Risk

SLG vs. KRC — Risk / Return Rank

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

SLG

SLG Risk / Return Rank: 23
SLG Sharpe Ratio Rank: 20
SLG Sortino Ratio Rank: 20
SLG Omega Ratio Rank: 21
SLG Calmar Ratio Rank: 28
SLG Martin Ratio Rank: 29

KRC

KRC Risk / Return Rank: 52
KRC Sharpe Ratio Rank: 59
KRC Sortino Ratio Rank: 52
KRC Omega Ratio Rank: 50
KRC Calmar Ratio Rank: 50
KRC Martin Ratio Rank: 50

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.

SLG vs. KRC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SL Green Realty Corp. (SLG) and Kilroy Realty Corporation (KRC). 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.

	SLG	KRC	Difference
Sharpe ratio Return per unit of total volatility	-0.48	0.55	-1.03
Sortino ratio Return per unit of downside risk	-0.47	0.95	-1.41
Omega ratio Gain probability vs. loss probability	0.95	1.11	-0.16
Calmar ratio Return relative to maximum drawdown	-0.37	0.44	-0.81
Martin ratio Return relative to average drawdown	-0.63	0.93	-1.56
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SLG vs. KRC - Sharpe Ratio Comparison

The current SLG Sharpe Ratio is -0.48, which is lower than the KRC Sharpe Ratio of 0.55. The chart below compares the historical Sharpe Ratios of SLG and KRC, 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

	SLG	KRC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.48	0.55	-1.03
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.13	-0.26	+0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.07	-0.05	-0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.15	0.19	-0.04

Drawdowns

SLG vs. KRC - Drawdown Comparison

The maximum SLG drawdown since its inception was -94.02%, which is greater than KRC's maximum drawdown of -81.27%. Use the drawdown chart below to compare losses from any high point for SLG and KRC.

Drawdown Indicators

	SLG	KRC	Difference
Max Drawdown Largest peak-to-trough decline	-94.02%	-81.27%	-12.75%
Max Drawdown (1Y) Largest decline over 1 year	-45.40%	-35.32%	-10.08%
Max Drawdown (3Y) Largest decline over 3 years	-53.91%	-35.32%	-18.59%
Max Drawdown (5Y) Largest decline over 5 years	-74.47%	-64.91%	-9.56%
Max Drawdown (10Y) Largest decline over 10 years	-77.70%	-66.55%	-11.15%
Current Drawdown Current decline from peak	-42.66%	-45.94%	+3.28%
Average Drawdown Average peak-to-trough decline	-27.43%	-23.41%	-4.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	26.58%	16.54%	+10.04%

Volatility

SLG vs. KRC - Volatility Comparison

SL Green Realty Corp. (SLG) has a higher volatility of 10.61% compared to Kilroy Realty Corporation (KRC) at 8.29%. This indicates that SLG's price experiences larger fluctuations and is considered to be riskier than KRC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SLG	KRC	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.61%	8.29%	+2.32%
Volatility (6M) Calculated over the trailing 6-month period	27.82%	21.92%	+5.90%
Volatility (1Y) Calculated over the trailing 1-year period	37.24%	27.59%	+9.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	43.54%	33.89%	+9.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	42.23%	31.55%	+10.68%

Dividends

SLG vs. KRC - Dividend Comparison

SLG's dividend yield for the trailing twelve months is around 4.79%, less than KRC's 6.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
KRC Kilroy Realty Corporation	6.18%	5.78%	5.34%	5.42%	5.48%	3.07%	3.43%	2.28%	2.85%	2.21%	4.61%	2.21%
SLG SL Green Realty Corp.	4.79%	6.18%	4.43%	7.15%	10.94%	5.09%	7.81%	3.74%	4.16%	3.11%	2.73%	2.23%

Financials

SLG vs. KRC - Profitability Comparison

The chart below illustrates the profitability comparison between SL Green Realty Corp. and Kilroy Realty Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

SLG - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, SL Green Realty Corp. reported a gross profit of 211.17M and revenue of 253.08M. Therefore, the gross margin over that period was 83.4%.

KRC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Kilroy Realty Corporation reported a gross profit of 181.91M and revenue of 272.22M. Therefore, the gross margin over that period was 66.8%.

SLG - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, SL Green Realty Corp. reported an operating income of 188.38M and revenue of 253.08M, resulting in an operating margin of 74.4%.

KRC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Kilroy Realty Corporation reported an operating income of 67.76M and revenue of 272.22M, resulting in an operating margin of 24.9%.

SLG - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, SL Green Realty Corp. reported a net income of -84.39M and revenue of 253.08M, resulting in a net margin of -33.4%.

KRC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Kilroy Realty Corporation reported a net income of 12.42M and revenue of 272.22M, resulting in a net margin of 4.6%.

Frequently Asked Questions

Can I hold both SLG and KRC in my portfolio?

SLG and KRC have a correlation of 0.69, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SLG or KRC?

SLG has higher volatility (10.61%) compared to KRC (8.29%). In terms of maximum drawdown, SLG dropped -94.02% vs KRC's -81.27%.

Which has better risk-adjusted returns?

KRC currently has the higher Sharpe Ratio (0.55 vs -0.48), 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.