COALINDIA.NS vs. M&MFIN.NS

Last updated Jun 5, 2026

COALINDIA.NS (Coal India Limited) and M&MFIN.NS (Mahindra & Mahindra Financial Services Limited) are both stocks. COALINDIA.NS operates in Thermal Coal (Energy), while M&MFIN.NS operates in Credit Services (Financial Services). Over the past 10 years, COALINDIA.NS returned 13.01%/yr vs 5.08%/yr for M&MFIN.NS. At a 0.24 correlation, their price movements are largely independent.

Performance

COALINDIA.NS vs. M&MFIN.NS - Performance Comparison

The chart below illustrates the hypothetical performance of a ₹10,000 investment in Coal India Limited (COALINDIA.NS) and Mahindra & Mahindra Financial Services Limited (M&MFIN.NS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, COALINDIA.NS achieves a 22.31% return, which is significantly higher than M&MFIN.NS's -28.28% return. Over the past 10 years, COALINDIA.NS has outperformed M&MFIN.NS with an annualized return of 13.01%, while M&MFIN.NS has yielded a comparatively lower 5.08% annualized return.

COALINDIA.NS

• 1D: 1.98%
• 1M: 1.91%
• YTD: 22.31%
• 6M: 28.75%
• 1Y: 30.64%
• 3Y*: 36.93%
• 5Y*: 36.67%
• 10Y*: 13.01%

M&MFIN.NS

• 1D: -0.52%
• 1M: -5.40%
• YTD: -28.28%
• 6M: -16.70%
• 1Y: 12.91%
• 3Y*: 0.76%
• 5Y*: 13.36%
• 10Y*: 5.08%

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

COALINDIA.NS vs. M&MFIN.NS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
COALINDIA.NS Coal India Limited	22.31%	11.34%	8.22%	82.15%	71.44%	21.13%	-25.79%	-9.99%	-0.13%	-6.83%
M&MFIN.NS Mahindra & Mahindra Financial Services Limited	-28.28%	55.88%	-2.27%	20.13%	60.21%	-14.42%	-11.04%	-30.78%	0.94%	76.18%

Correlation

The correlation between COALINDIA.NS and M&MFIN.NS is 0.06, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.06
Correlation (3Y) Calculated over the trailing 3-year period	0.28
Correlation (5Y) Calculated over the trailing 5-year period	0.31
Correlation (10Y) Calculated over the trailing 10-year period	0.28
Correlation (All Time) Calculated using the full available price history since Nov 8, 2010	0.24

The correlation between COALINDIA.NS and M&MFIN.NS shifts across timeframes, from 0.06 (1 year) to 0.31 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

COALINDIA.NS vs. M&MFIN.NS — Risk / Return Rank

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

COALINDIA.NS

COALINDIA.NS Risk / Return Rank: 80
COALINDIA.NS Sharpe Ratio Rank: 80
COALINDIA.NS Sortino Ratio Rank: 77
COALINDIA.NS Omega Ratio Rank: 77
COALINDIA.NS Calmar Ratio Rank: 82
COALINDIA.NS Martin Ratio Rank: 84

M&MFIN.NS

M&MFIN.NS Risk / Return Rank: 51
M&MFIN.NS Sharpe Ratio Rank: 54
M&MFIN.NS Sortino Ratio Rank: 50
M&MFIN.NS Omega Ratio Rank: 47
M&MFIN.NS Calmar Ratio Rank: 50
M&MFIN.NS Martin Ratio Rank: 53

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.

COALINDIA.NS vs. M&MFIN.NS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Coal India Limited (COALINDIA.NS) and Mahindra & Mahindra Financial Services Limited (M&MFIN.NS). 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.

	COALINDIA.NS	M&MFIN.NS	Difference
Sharpe ratio: Return per unit of total volatility	1.41	0.37	+1.04
Sortino ratio: Return per unit of downside risk	2.13	0.80	+1.33
Omega ratio: Gain probability vs. loss probability	1.28	1.09	+0.19
Calmar ratio: Return relative to maximum drawdown	2.98	0.41	+2.57
Martin ratio: Return relative to average drawdown	8.36	1.01	+7.35
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

COALINDIA.NS vs. M&MFIN.NS - Sharpe Ratio Comparison

The current COALINDIA.NS Sharpe Ratio is 1.41, which is higher than the M&MFIN.NS Sharpe Ratio of 0.37. The chart below compares the historical Sharpe Ratios of COALINDIA.NS and M&MFIN.NS, 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

	COALINDIA.NS	M&MFIN.NS	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.41	0.37	+1.04
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.30	0.40	+0.91
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.46	0.13	+0.34
Sharpe Ratio (All Time) Calculated using the full available price history	0.34	0.35	-0.01

Drawdowns

COALINDIA.NS vs. M&MFIN.NS - Drawdown Comparison

The maximum COALINDIA.NS drawdown since its inception was -64.65%, smaller than the maximum M&MFIN.NS drawdown of -75.24%. Use the drawdown chart below to compare losses from any high point for COALINDIA.NS and M&MFIN.NS.

Drawdown Indicators

	COALINDIA.NS	M&MFIN.NS	Difference
Max Drawdown Largest peak-to-trough decline	-64.65%	-75.24%	+10.59%
Max Drawdown (1Y) Largest decline over 1 year	-10.27%	-31.38%	+21.11%
Max Drawdown (3Y) Largest decline over 3 years	-30.84%	-31.38%	+0.54%
Max Drawdown (5Y) Largest decline over 5 years	-30.84%	-35.51%	+4.67%
Max Drawdown (10Y) Largest decline over 10 years	-58.80%	-75.24%	+16.44%
Current Drawdown Current decline from peak	0.00%	-28.52%	+28.52%
Average Drawdown Average peak-to-trough decline	-22.64%	-20.89%	-1.75%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.66%	12.73%	-9.07%

Volatility

COALINDIA.NS vs. M&MFIN.NS - Volatility Comparison

The current volatility for Coal India Limited (COALINDIA.NS) is 5.91%, while Mahindra & Mahindra Financial Services Limited (M&MFIN.NS) has a volatility of 7.71%. This indicates that COALINDIA.NS experiences smaller price fluctuations and is considered to be less risky than M&MFIN.NS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COALINDIA.NS	M&MFIN.NS	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.91%	7.71%	-1.80%
Volatility (6M) Calculated over the trailing 6-month period	19.42%	29.43%	-10.01%
Volatility (1Y) Calculated over the trailing 1-year period	21.78%	35.12%	-13.34%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.72%	34.31%	-5.59%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	28.80%	41.06%	-12.26%

Dividends

COALINDIA.NS vs. M&MFIN.NS - Dividend Comparison

COALINDIA.NS's dividend yield for the trailing twelve months is around 5.48%, more than M&MFIN.NS's 2.25% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COALINDIA.NS Coal India Limited	5.48%	6.64%	6.77%	6.52%	10.22%	11.98%	14.40%	2.77%	9.87%	7.13%	9.13%	6.28%
M&MFIN.NS Mahindra & Mahindra Financial Services Limited	2.25%	1.61%	2.31%	2.11%	1.49%	0.52%	0.00%	1.96%	0.82%	0.49%	1.44%	1.61%

Financials

Frequently Asked Questions

Can I hold both COALINDIA.NS and M&MFIN.NS in my portfolio?

COALINDIA.NS and M&MFIN.NS have a correlation of 0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.