Should you purchase or withdraw?
Tune your contribution, prices, and taxes. We model the discount, lookback, and immediate-sale tax — then compare against simply withdrawing your cash.
H1 — Dec–May
ActiveDec 2025 – May 2026
Fetching live prices…
H2 — Jun–Nov
Jun 2026 – Nov 2026
Not active for this purchase decision
HubSpot plan — salary & rate
Use lower of offering / purchase
Exercising now uses your §423(b)(8) FMV budget, which is shared with the next window's calendar year — potentially limiting shares when the stock rises. Immediate sale at vest assumed for both windows.
Hover to see the full breakdown at any H2 — Jun–Nov price change
Educational model only — not tax advice. Assumes immediate sale at vest (disqualifying disposition): spread is ordinary income, capital gain is zero. Section 423 ESPP ordinary income is exempt from FICA. Defaults assume an NYC (Queens) single filer in the ~$200k bracket: 32% federal, 6.85% NY state, 3.876% NYC. Adjust any rate to match your situation.
Paste the text from your Fidelity ESPP Transaction History page to populate the history chart and auto-fill the prior-window IRS cap.