UnitedHealth Note 4: Guidance and Stock Price Guidance

UnitedHealth Group (UNH) stock price on January 27, 2026, the day it released its 2026 guidance, was as follows (USD):

• Previous day's close: 351.64

• Day's open: 293.97

• Day's high: 299.50

• Day's low: 280.40

• Day's close: 282.70

• Day's decline: -19.61% (-$68.94)

This was the company's largest single-day drop in 25 years, primarily due to:

• Pessimistic 2026 guidance (revenue decline, significant MA membership contraction, only slight MCR improvement)

• Compounded by negative news on the same day that CMS's 2027 MA rate increase proposal was only 0.09%

MCR

📅 2026-01-27 UnitedHealth (UNH) Plunge Timeline (ET)

Core: CMS 0.09% rate + Pessimistic guidance = 19.61% single-day plunge

January 26 (Monday) After-Hours (Trigger)

• 20:00+: CMS releases 2027 MA rate proposal: only +0.09% (expected 4%–6%)

• After-hours trading: UNH plunges 9%+, closes ≈$315
2. January 27 (Tuesday) Pre-Market (Guidance Release)

• 07:00: UNH releases 2025 Q4 + full-year earnings + 2026 guidance

◦ 2026 revenue: >$439B (YoY -2%), first decline in 30 years

◦ MA membership: contracts 1.3–1.4 million

◦ MCR: 88.8%±0.5% (only slight improvement)

• 08:00: Investor call (further confirms pessimism)

• 08:34 Pre-market: quoted at $321.85, down -7.84% from previous close
3. January 27 (Tuesday) Intraday (Plunge)

• 09:30 Open: $293.97 (down -16.4% from previous close)

• Intraday low: $280.40 (-20.3%)

• Intraday high: $299.50

• 16:00 Close: $282.70 (-19.61%, -$68.94)

• Trading volume: $18.83B, share volume 65.84 million
4. Key Negative Overlaps (Root Cause of Plunge)

• CMS 2027 rate 0.09%: industry-wide profit squeeze

• Pessimistic 2026 guidance: revenue decline, MA contraction, only slight MCR reduction

• Double blow: policy + performance double whammy, creating the largest single-day drop in 25 years
One-Liner Summary

CMS bomb on Jan 26, guidance adding insult to injury on Jan 27, UNH plunged nearly 20% in a single day, wiping over $60B in market cap.

Summary

UnitedHealth "1·27 Plunge Day" Cheat Sheet

(One card to understand key info, save on phone for reference)

I. Key Day Overview

• Date: 2026-01-27 (Tuesday)

• Event: Release of 2026 full-year earnings guidance + CMS 2027 MA rate bomb

• Day's performance: Plunged 19.61%, company's largest single-day drop in 25 years

II. Key Stock Price Levels (USD)

• Previous day's close: 351.64

• Day's open: 293.97

• Day's low: 280.40

• Day's high: 299.50

• Day's close: 282.70

• Single-day loss: $68.94

III. Official 2026 Core Guidance (Main Cause of Plunge)

• Full-year revenue: >$439B (YoY decline, first negative growth in nearly 30 years)

• Consolidated MCR: 88.8% ± 0.5% (only slightly down 0.3pct from 2025)

• MA membership: cut 1.3–1.4 million (actively exiting unprofitable regions)

• EPS: ≥ $17.75

IV. Same-Day Compounding Negative (Adding Insult to Injury)

• CMS 2027 MA benchmark rate proposed increase: only 0.09%

• Market's original expectation: 4%–6%

• Direct result: Industry profit logic broken, valuation comprehensively slashed

V. One-Sentence Summary

CMS zero growth + company's pessimistic guidance, in one day drove UNH from 351 to 282, solidifying a low-level consolidation pattern.