Ally Financial (ALLY) Stock Concentration Calculator

Calculator · free · no signup · ALLY

Quantify Ally Financial concentration risk. Drawdown impact at 30 / 50 / 70%, with the tax-aware trade-off between selling down and hedging.

Beta · invite-only · AlphaLatitude Inc. · Free Tools

Your inputs

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Position & portfolio

Default. Adjust to test.
35%
Default. Adjust to test.
20%
10%

Tax

67%
Highly concentratedLong-term
If 30% drop
$150,000
If 50% drop
$250,000
If 70% drop
$350,000

Most fee-only advisors target ≤10% in any single name. You're at 67%.

Estimates only. Not financial advice.

Most sensitive to: Expected market return (±10% on this input swings best-plan wealth by ±$190,508).

Cost of fully de-concentrating

All three plans sell to 0% (no hedge).

Tax
Wealth (3y)$956,485
+$33,417 vs.

Tax
Wealth (3y)$994,174
+$71,106 vs.

Tax
Wealth (3y)$1.04M
+$112,490 vs.

Sensitivity. If your expected position return drops below 19.6%/yr, lump-sum (sell everything today) beats every spread plan above.

Have multiple RSU vest lots? The RSU Lot Order Calculator picks which lots to sell first, and on which dates, to divest at the lowest computed tax.

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Toggle below — chart updates live. Sell buttons show the slice.
Sell over 1 yearSell over 2 yearsSell over 3 yearsCustom
$712,500$815,995$919,489$1,022,984$1,126,478Yr 0Yr 1Yr 2Yr 3
Year 1
Year 2
Year 3
Tax$200,753
Hedge cost$37,676
Wealth at Y3$1,046,371
Vs. best fixed plan+$10,813

Tech / Software single names hit a 50%+ peak-to-trough drawdown in roughly 1 of every 5 rolling 3-year windows over 2014–2024. Even mega-caps aren’t exempt.

Tax brackets: 2026 · Estimates only — not financial advice.

Estate note. Heirs receive a stepped-up basis at death (§1014), eliminating built-in gain on inherited shares. Older holders who plan to bequeath rather than sell may rationally never de-concentrate.

You sized one position's risk. The beta integrates hedging, sell-down, and tax timing into one optimized plan.

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Related calculators: Protect Your Stock Calculator · RSU Lot Order Calculator · Equity Funding Plan Calculator

About Ally Financial

Ally Financial (ALLY) is a public Fintech company, incorporated in Delaware and headquartered in Detroit, MI.

Equity grants at Ally Financial typically include restricted stock units (RSUs).

Ally Financial Inc. is an American bank holding company incorporated in Delaware and headquartered at Ally Detroit Center in Detroit, Michigan. The company provides financial services including car finance, online banking via a direct bank, corporate lending, vehicle insurance, mortgage loans, and other related financing services such as installment sale and lease agreements.

Source: Wikipedia (CC BY-SA 4.0)

The company was GMAC, General Motors' financing arm founded in 1919, which took federal rescue funds during the financial crisis, converted to a bank holding company, and rebranded as Ally in 2010. Auto lending remains the core, funded by a large online-only deposit base built without branches. That combination makes it unusually sensitive to interest rates on both sides: deposit costs reprice quickly while auto loans carry fixed terms. Headquarters are in Detroit.

Sources: ally.com · en.wikipedia.org

Equity comp at Ally Financial

  • RSUs use single-trigger vesting: shares become yours as each portion vests on schedule, and the value is taxed as ordinary income at that point. No IPO or acquisition is required.

Researched 2026-08-17.

OptionsAhoy is an independent tool and is not affiliated with, endorsed by, or sponsored by Ally Financial.

If a meaningful share of your net worth sits in ALLY, concentration risk is the question. This calculator quantifies drawdown impact at 30 / 50 / 70%, and the trade-off between selling down (tax cost now) versus hedging (option premium drag), auto-filled with ALLY's option-implied volatility.

All Ally Financial tools → · Use the generic Stock Concentration Calculator for any company. Diversifying multiple RSU lots? See the lot-by-lot sell order →

Ally Financial equity questions

How much ALLY stock is too much?
There is no single threshold, but the larger the share of your net worth in one stock, the more a single bad year can set back your plans. The calculator above quantifies the drawdown impact at 30, 50, and 70 percent for your ALLY position and weighs selling down (which triggers capital-gains tax now) against hedging (which costs option premium).
Does Ally Financial grant ISOs, NSOs, or RSUs?
Equity compensation at Ally Financial typically takes the form of restricted stock units (RSUs). Restricted stock units are taxed as ordinary income when they vest.
Do Ally Financial RSUs use double-trigger vesting?
No. Ally Financial restricted stock units (RSUs) use single-trigger vesting: each tranche becomes yours as it vests on schedule, taxed as ordinary income at that point, with no liquidity event required.
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