Norfolk Southern (NSC) Stock Concentration Calculator
Calculator · free · no signup · NSCQuantify Norfolk Southern 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
Adjust — results update instantly.Position & portfolio
Tax
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).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.
Build your own plan
Toggle below — chart updates live. Sell buttons show the slice.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.
Request beta access →Related calculators: Protect Your Stock Calculator · RSU Lot Order Calculator · Equity Funding Plan Calculator
About Norfolk Southern
Norfolk Southern (NSC) is a public Logistics company, incorporated in Virginia and headquartered in Atlanta, GA.
Last close: $338.91 per share (as of 2026-08-18).
Equity grants at Norfolk Southern typically include restricted stock units (RSUs).
The Norfolk Southern Railway is a Class I freight railroad operating in the Eastern United States. Headquartered in Atlanta, the company was formed in 1982 with the merger of the Norfolk and Western Railway and Southern Railway. The company operates 19,420 route miles (31,250 km) in 22 eastern states and the District of Columbia, and has rights in Canada over the Albany to Montreal route of the Canadian Pacific Kansas City. Norfolk Southern Railway is the leading subsidiary of the Norfolk Southern Corporation.
Source: Wikipedia (CC BY-SA 4.0)
The railroad was formed in 1982 from the Norfolk and Western and Southern Railway systems, and it operates freight track across the eastern United States. Railroads are fixed-cost networks where the operating ratio, the share of revenue consumed by expenses, is the central measure of performance. The 2023 derailment at East Palestine, Ohio produced large costs and lasting regulatory attention to safety practice. Intermodal and coal volumes move with industrial production and energy markets. Headquarters are in Atlanta.
Sources: sec.gov · en.wikipedia.org
OptionsAhoy is an independent tool and is not affiliated with, endorsed by, or sponsored by Norfolk Southern.
If a meaningful share of your net worth sits in NSC, 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 NSC's option-implied volatility.
Example: 5,000 NSC shares at $338.91 is a $1,694,550 position. A 30% drawdown costs $508,365; a 50% drawdown costs $847,275; a 70% drawdown costs $1,186,185. The calculator quantifies the trade-off between selling down (immediate capital-gains tax) and hedging (option premium drag) using NSC's option-implied volatility and your cost basis.
All Norfolk Southern tools → · Use the generic Stock Concentration Calculator for any company. Diversifying multiple RSU lots? See the lot-by-lot sell order →
Norfolk Southern equity questions
- How much NSC 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 NSC position and weighs selling down (which triggers capital-gains tax now) against hedging (which costs option premium).
- Does Norfolk Southern grant ISOs, NSOs, or RSUs?
- Equity compensation at Norfolk Southern typically takes the form of restricted stock units (RSUs). Restricted stock units are taxed as ordinary income when they vest.
One piece of the puzzle.
OptionsAhoy plans your Norfolk Southern equity alongside hedging, vesting, and de-concentration, across bullish, neutral, and bearish market scenarios. Free during beta.