IRS announces 2027 inflation adjustments to tax brackets and deductions
Published November 10, 2026 · Updated November 10, 2026 · 4 sources
The IRS announced inflation adjustments for the 2027 tax year, including larger standard deductions and broader tax brackets, per news reports.
What happened
The Internal Revenue Service announced inflation adjustments for the 2027 tax year, with larger standard deductions and broader tax brackets [3]. The changes apply to almost 70 individual and corporate tax provisions [3].
Federal revenue officials announced inflation adjustments for the 2027 tax year, and millions of American households will see larger standard deductions and broader tax brackets [3]. The changes will appear on tax forms filed in 2028 [3].
The lowest marginal tax rate begins at 10% on earnings up to $12,800 for single taxpayers and $25,600 for married couples filing jointly [3]. The remaining rates climb from 12% to 35% across adjusted income bands [3].
The top bracket remains at 37% for individual filers making more than $661,375 and joint filers earning above $793,650 [3]. The maximum child tax credit is $2,300 per child, a $100 bump from the previous year [3].
Headlines from other outlets also point to coverage of the 2027 tax brackets and of changes to the child tax credit and estate tax exemption [1][2].
Related companies and sectors
Sector relationship, not a demonstrated effect: ATLAS has no evidence that this story moves these companies' share prices. They appear for their activity in the sector and are shown with ATLAS data.
Maker of TurboTax, whose tax preparation software must reflect annual IRS bracket and deduction changes. · Technology
Latest available close
$338.23Close of November 9
Fair value (ATLAS)
$748.90Fair range: $479.16 to $1,008.61The price ($338.23) is 54.8% below that figure.
Chance of a rise in 1 month
49%Probability of closing higher than today within 21 sessions.Normal range: half of the scenarios end between $314.40 and $362.86; 9 in 10, between $276.88 and $412.03.
Payroll provider that updates tax withholding calculations for clients when IRS brackets and deductions change. · Technology
Latest available close
$114.76Close of November 9
Fair value (ATLAS)
$134.25Fair range: $98.39 to $185.93The price ($114.76) is 14.5% below that figure.
Chance of a rise in 1 month
50%Probability of closing higher than today within 21 sessions.Normal range: half of the scenarios end between $108.29 and $121.85; 9 in 10, between $97.54 and $135.28.
Payroll and HR services firm that must apply revised federal withholding tables for 2027. · Technology
Latest available close
$302.06Close of November 9
Fair value (ATLAS)
$301.60Fair range: $206.50 to $370.58The price ($302.06) is 0.2% above that figure: close to its fair value.
Chance of a rise in 1 month
52%Probability of closing higher than today within 21 sessions.Normal range: half of the scenarios end between $289.47 and $317.05; 9 in 10, between $267.03 and $343.68.
ATLAS model estimates put Intuit's fair value at $748.90, with the November 9 close 54.84% below that value. For Paychex the estimate is $134.25, with the close 14.52% below it, and for Automatic Data Processing it is $301.60, with the close 0.15% above it. These are model estimates, not promises, and are not tied to the story.
This is a sector relationship, not a demonstrated effect: there is no evidence that this story moves these companies' share prices. Market data come from closes and may change.
What you get with ATLAS
Fair value of each company, with its range, against today's price.
Chance of a rise in 1 month and the normal price range, from a calibrated model.
Earnings: next date, estimated EPS and surprise history.
Dividends and alerts by email when a company reports.
Closing prices, fair value, probabilities, earnings and dividends: ATLAS own data as of November 10, 2026. How we calculate fair value.
Information, not advice. This content is informational and is not an investment recommendation or an offer to buy or sell securities. ATLAS estimates come from statistical models using public data, can be wrong, and past performance does not guarantee future results. Disclaimer
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