2027 COLA and CPI Release Week: September inflation data, Social Security, and cash returns
On October 14, 2026, the Bureau of Labor Statistics will release the September Consumer Price Index (CPI), triggering the Social Security Administration's official 2027 Cost-of-Living Adjustment (COLA) announcement and establishing the real return environment for cash savings.
Written for you by:
Expert
Expert
How do the October 14 CPI report and 2027 Social Security COLA affect cash savings?
On October 14, 2026, the government releases September inflation data, which the Social Security Administration uses to calculate the official 2027 Cost-of-Living Adjustment (COLA). Forecasts project a 3.30% to 3.60% COLA increase, up from 2.80% in 2026. Because a higher COLA means everyday costs like healthcare and housing are still climbing, many savers are turning to high-yield savings accounts (HYSAs) or fixed-rate CDs to ensure their cash grows faster than inflation.
Key takeaways
October 14, 2026 marks both the September CPI data release and the official 2027 Social Security COLA announcement.
Current forecasts estimate a 3.30% to 3.60% adjustment (averaging ~3.50%), which means a roughly $70 monthly increase on a $2,000 average benefit check.
The government determines the new COLA by comparing inflation data from the third quarter (July, August, September) of 2026 against the same period in 2025.
Money held in traditional savings accounts (averaging ~0.45% APY) loses its value against 3.50% inflation. Savers are using competitive HYSAs and fixed-rate CDs to ensure their cash keeps up with rising prices.
Key dates and timeline for October 14 releases
The mid-October data release connects national inflation numbers directly to your household income.
October 2026 to January 2027 timeline
October 14, 2026: The government releases September inflation data and announces the official 2027 COLA.
December 2026: Social Security recipients receive their individual benefit notices.
January 2027: The new COLA takes effect in your monthly Social Security checks.
How the Social Security COLA is calculated
The Social Security Administration calculates annual adjustments using the Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W), a subset of the broader CPI-U metric.
COLA Percentage = [(Q3 2026 Average CPI-W - Q3 2025 Average CPI-W) / Q3 2025 Average CPI-W] x 100
The BLS averages CPI-W figures for July, August, and September of the current year.
That third-quarter average is compared against the third-quarter CPI-W average from the previous year.
The percentage increase becomes the official COLA effective the following January.
Late-summer price swings in gas and transportation directly impact the final average before the October 14 calculation lock-in.
2027 COLA projections vs. recent history
Next year's projected adjustment reflects higher everyday expenses than the prior year. However, it is important to remember that a COLA raise is designed to match past price increases, not to give you extra spending money.
Metric | 2026 COLA (actual) | 2027 COLA (projected) | Economic context |
Annual COLA percentage | 2.80% | 3.30% to 3.60% (Avg ~3.50%) | Reflects persistent shelter, medical, and service-sector costs. |
Monthly dollar change | ~$56 / month | ~$70 / month | Based on a $2,000 average monthly retired worker benefit. |
Medicare Part B offset | Net gain reduced by Part B premium | Subject to final Medicare premium changes | Final take-home check increases depend on Medicare Part B costs. |
Calculating real cash returns against COLA and CPI
When inflation and COLA figures sit between 3.30% and 3.60%, cash held in a basic, low-yielding savings account actually loses its value over time.
Real Rate of Return = Deposit APY - Inflation Rate
Account type | Account APY | Real return (assuming 3.50% CPI) |
Traditional bank | 0.45% | -3.05% (Losing purchasing power) |
High-yield savings account | 4.25% to 4.50% | +0.75% to +1.00% (Positive) |
Fixed-rate CD | 4.50% to 4.75% | +1.00% to +1.25% (Positive) |
Standard savings accounts (0.45% APY): Often earn well below the projected 3.50% inflation rate, meaning your money loses value over time.
High yield savings accounts (HYSAs): Generally provide variable yields above 4.00%, helping your cash grow faster than inflation while keeping your money easily accessible.
Fixed rate CDs: Allow you to lock in a fixed yield for months or years, helping you better position your cash to beat inflation even if the Federal Reserve cuts interest rates later.
Manage your inflation strategy with Raisin
Navigating changing inflation rates and fixed-income adjustments means finding the best deposit rates. Through a single login at Raisin, you can compare and fund high-yield savings accounts and fixed-rate CDs from a nationwide network of FDIC- and NCUA-insured partner banks and credit unions using secure, bank-level technology.
Exploring the Raisin newsroom
Interest rate decisions, inflation data, and deposit market dynamics change rapidly. Savers can check back for updated rate snapshots, macro breakdowns, and educational personal finance guides to help keep cash earning competitive yields.
Frequently asked questions
What is the difference between CPI-U and CPI-W?
CPI-U measures price changes for all urban consumers, representing roughly 93% of the U.S. population. CPI-W focuses specifically on households where more than half the income comes from clerical or wage occupations (representing about 29% of the population) and is the legally mandated index for Social Security COLA adjustments.
When will beneficiaries see the 2027 COLA in their payments?
The Social Security Administration sends individual notices by mail and online in December 2026 detailing updated benefit amounts. The increased monthly payments begin with checks distributed in January 2027.
Add Raisin to your Google preferred sources.
Enjoying our guides? Add Raisin as a preferred publication so our latest financial education guides appear more frequently in your Google Search results and news feed.
The above article is intended to provide generalized financial information designed to educate a broad segment of the public; it does not give personalized tax, investment, legal, or other business and professional advice. Before taking any action, you should always seek the assistance of a professional who knows your particular situation for advice on taxes, your investments, the law, or any other business and professional matters that affect you and/or your business.
© 2026 Raisin SE. All rights reserved.
The Raisin name and logo are trademarks of Raisin SE. All other trademarks, logos, marks, and brand names are the property of their respective owners.
*APY means Annual Percentage Yield. APY is accurate as of October 12, 2026. Interest rate and APY may change after initial deposit depending on the terms of the specific product selected. Minimum opening deposit is $1.00.
Raisin is not an FDIC-insured bank or NCUA-insured credit union and does not hold any customer funds. When you make a deposit, your funds are held by a Custodial Bank in an account for your benefit at the FDIC-insured bank or NCUA-insured credit union you select; you do not become a direct customer of that bank or credit union. . FDIC deposit insurance only covers the failure of an insured bank. NCUA deposit insurance only covers the failure of an insured credit union. Certain conditions must be satisfied for pass-through deposit insurance coverage to apply.
Customer funds are held in various custodial deposit accounts. Each customer authorizes the Custodial Bank to hold the customer’s funds in such accounts, in a custodial capacity, in order to effectuate the customer’s deposits to and withdrawals from the various bank and credit union products that the customer requests through Raisin.com. The Custodial Bank does not establish the terms of the bank or credit union products and provides no advice to customers about bank or credit union products offered by the applicable bank or credit union through Raisin.com. Each customer also authorizes the Service Bank to move funds among the various banks and credit unions at the customer’s request. First International Bank & Trust (FIBT), Member FDIC, is the Service Bank. Bell Bank and Starion Bank, each Member FDIC, are the Custodial Banks.
†Based on $250,000 in FDIC or NCUA insurance coverage per insurable category of ownership at each partner bank or credit union on the Raisin platform (each a "Product Bank"), when aggregated with all other deposits held by you at such Product Bank and in the same insurable category. Deposits made through Raisin will be eligible to receive deposit insurance from the FDIC or the NCUA (each a "Deposit Insurer") in accordance with and up to the maximum amount permitted by law at each Product Bank. Raisin is not a bank or credit union and does not hold any customer funds. Funds are held at FDIC-insured banks and NCUA-insured credit unions. Deposit insurance covers the failure of an insured bank or credit union. Certain conditions must be satisfied for pass through deposit insurance coverage to apply. Customers may choose to deposit funds with identically registered accounts at different Product Banks on the Raisin platform to be eligible for Deposit Insurer coverage up to $10 million for individual accounts and $20 million for joint accounts when at least 40 Product Banks are utilized. Please be aware, however, that any deposits you have at a Product Bank, whether through the Raisin platform or outside the Raisin platform, that you may hold in the same capacity (such as in an individual capacity or joint capacity) count toward the applicable Deposit Insurer's deposit insurance maximum amount, and any such amounts that you hold in the same capacity at a Product Bank that exceed the maximum insurance coverage by the applicable Deposit Insurer will not be insured. For more information on FDIC deposit insurance, please see here. For more information on the NCUA share insurance fund, please see here. You are solely responsible for monitoring the amount of funds you have on deposit at each a Product Bank, whether through the Raisin platform or outside the Raisin platform, to confirm that the deposits you hold in the same capacity at each Product Bank do not exceed the maximum deposit insurance coverage provided by the applicable Deposit Insurer.