NATIONALUM.NS vs. AAI.AX

Last updated Jun 5, 2026

NATIONALUM.NS (National Aluminium Company Limited) and AAI.AX (Alcoa Corporation) are both stocks. Both operate in the Aluminum industry within the Basic Materials sector. Over the past year, NATIONALUM.NS returned 137.23% vs 233.83% for AAI.AX. At a 0.37 correlation, their price movements are largely independent.

Performance

NATIONALUM.NS vs. AAI.AX - Performance Comparison

The chart below illustrates the hypothetical performance of a ₹10,000 investment in National Aluminium Company Limited (NATIONALUM.NS) and Alcoa Corporation (AAI.AX). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

NATIONALUM.NS is traded in INR, while AAI.AX is traded in AUD. To make them comparable, the AAI.AX values have been converted to INR using the latest available exchange rates.

Returns By Period

In the year-to-date period, NATIONALUM.NS achieves a 34.04% return, which is significantly lower than AAI.AX's 61.72% return.

NATIONALUM.NS

• 1D: -5.24%
• 1M: 2.34%
• YTD: 34.04%
• 6M: 54.23%
• 1Y: 137.23%
• 3Y*: 77.57%
• 5Y*: 48.69%
• 10Y*: 33.29%

AAI.AX

• 1D: -2.39%
• 1M: 28.24%
• YTD: 61.72%
• 6M: 97.03%
• 1Y: 233.83%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

NATIONALUM.NS vs. AAI.AX - Yearly Performance Comparison

	2026 (YTD)	2025	2024
NATIONALUM.NS National Aluminium Company Limited	34.04%	55.75%	16.60%
AAI.AX Alcoa Corporation	61.72%	55.91%	11.21%

Correlation

The correlation between NATIONALUM.NS and AAI.AX is 0.37, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.37
Correlation (All Time) Calculated using the full available price history since Jul 25, 2024	0.37

Return for Risk

NATIONALUM.NS vs. AAI.AX — Risk / Return Rank

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

NATIONALUM.NS

NATIONALUM.NS Risk / Return Rank: 95
NATIONALUM.NS Sharpe Ratio Rank: 96
NATIONALUM.NS Sortino Ratio Rank: 94
NATIONALUM.NS Omega Ratio Rank: 94
NATIONALUM.NS Calmar Ratio Rank: 95
NATIONALUM.NS Martin Ratio Rank: 95

AAI.AX

AAI.AX Risk / Return Rank: 95
AAI.AX Sharpe Ratio Rank: 97
AAI.AX Sortino Ratio Rank: 94
AAI.AX Omega Ratio Rank: 92
AAI.AX Calmar Ratio Rank: 96
AAI.AX Martin Ratio Rank: 96

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.

NATIONALUM.NS vs. AAI.AX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for National Aluminium Company Limited (NATIONALUM.NS) and Alcoa Corporation (AAI.AX). 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.

	NATIONALUM.NS	AAI.AX	Difference
Sharpe ratio: Return per unit of total volatility	3.56	4.86	-1.30
Sortino ratio: Return per unit of downside risk	3.80	4.63	-0.83
Omega ratio: Gain probability vs. loss probability	1.54	1.57	-0.03
Calmar ratio: Return relative to maximum drawdown	6.81	14.09	-7.29
Martin ratio: Return relative to average drawdown	20.79	40.09	-19.30
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NATIONALUM.NS vs. AAI.AX - Sharpe Ratio Comparison

The current NATIONALUM.NS Sharpe Ratio is 3.56, which is comparable to the AAI.AX Sharpe Ratio of 4.86. The chart below compares the historical Sharpe Ratios of NATIONALUM.NS and AAI.AX, 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

	NATIONALUM.NS	AAI.AX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.56	4.86	-1.30
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.14	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.78	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.47	1.53	-1.05

Drawdowns

NATIONALUM.NS vs. AAI.AX - Drawdown Comparison

The maximum NATIONALUM.NS drawdown since its inception was -80.53%, which is greater than AAI.AX's maximum drawdown of -50.99%. Use the drawdown chart below to compare losses from any high point for NATIONALUM.NS and AAI.AX.

Drawdown Indicators

	NATIONALUM.NS	AAI.AX	Difference
Max Drawdown Largest peak-to-trough decline	-80.53%	-50.99%	-29.54%
Max Drawdown (1Y) Largest decline over 1 year	-19.97%	-15.85%	-4.12%
Max Drawdown (3Y) Largest decline over 3 years	-42.12%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-47.73%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-64.69%	—	—
Current Drawdown Current decline from peak	-5.76%	-2.39%	-3.37%
Average Drawdown Average peak-to-trough decline	-33.36%	-17.33%	-16.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.55%	5.59%	+0.96%

Volatility

NATIONALUM.NS vs. AAI.AX - Volatility Comparison

The current volatility for National Aluminium Company Limited (NATIONALUM.NS) is 10.33%, while Alcoa Corporation (AAI.AX) has a volatility of 15.24%. This indicates that NATIONALUM.NS experiences smaller price fluctuations and is considered to be less risky than AAI.AX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NATIONALUM.NS	AAI.AX	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.33%	15.24%	-4.91%
Volatility (6M) Calculated over the trailing 6-month period	32.73%	34.71%	-1.98%
Volatility (1Y) Calculated over the trailing 1-year period	38.19%	46.34%	-8.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	43.34%	48.16%	-4.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	43.54%	48.16%	-4.62%

Dividends

NATIONALUM.NS vs. AAI.AX - Dividend Comparison

NATIONALUM.NS's dividend yield for the trailing twelve months is around 3.14%, more than AAI.AX's 0.72% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AAI.AX Alcoa Corporation	0.72%	0.96%	0.54%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
NATIONALUM.NS National Aluminium Company Limited	3.14%	3.34%	3.78%	4.17%	5.60%	4.95%	4.64%	13.17%	8.66%	3.26%	3.06%	4.38%

Financials

Frequently Asked Questions

Can I hold both NATIONALUM.NS and AAI.AX in my portfolio?

NATIONALUM.NS and AAI.AX have a correlation of 0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.