Paychex (PAYX) Stock Concentration Calculator
Calculator · free · no signup · PAYXQuantify Paychex 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 Paychex
Paychex (PAYX) is a public Cloud/SaaS company, incorporated in Delaware and headquartered in Rochester, NY.
Equity grants at Paychex typically include restricted stock units (RSUs).
Paychex, Inc. is an American company that provides human resources, payroll, and employee benefits outsourcing services for small- to medium-sized businesses. Founded in 1971 and headquartered in Rochester, New York, the company has more than 100 offices serving approximately 800,000 payroll clients in the U.S. and Europe. Paychex is ranked 681st on the Fortune 500 list of largest corporations by revenue.
Source: Wikipedia (CC BY-SA 4.0)
Tom Golisano founded the company in Rochester, New York in 1971 with the observation that payroll services were priced for large employers, leaving small businesses to handle it themselves. That customer base still defines it: hundreds of thousands of clients averaging fewer than twenty employees, sold through a large field sales force. Beyond payroll the company handles tax administration, retirement plan recordkeeping, and insurance services, and it earns float income on client funds. Paychex acquired Paycor in 2025, moving it upmarket.
Sources: paychex.com · en.wikipedia.org
Equity comp at Paychex
- 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 Paychex.
If a meaningful share of your net worth sits in PAYX, 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 PAYX's option-implied volatility.
All Paychex tools → · Use the generic Stock Concentration Calculator for any company. Diversifying multiple RSU lots? See the lot-by-lot sell order →
Paychex equity questions
- How much PAYX 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 PAYX position and weighs selling down (which triggers capital-gains tax now) against hedging (which costs option premium).
- Does Paychex grant ISOs, NSOs, or RSUs?
- Equity compensation at Paychex typically takes the form of restricted stock units (RSUs). Restricted stock units are taxed as ordinary income when they vest.
- Do Paychex RSUs use double-trigger vesting?
- No. Paychex 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.
One piece of the puzzle.
OptionsAhoy plans your Paychex equity alongside hedging, vesting, and de-concentration, across bullish, neutral, and bearish market scenarios. Free during beta.