BTC Volatility Analysis for CPI, 11th September 2025

Data Analysis

Measured by Clometrix

Bitcoin's volatility ratio was 5.90x, against 4.28x for a typical CPI release since 2021. Its volume ratio was 13.68x, against a typical 6.92x. That is a strong reaction by this release's own standard. Both compare the quarter hour of the release with an ordinary quarter hour that same day, where 1.00x is no change: volatility is how far the price ranged, volume how much traded.

How Bitcoin moved

Bitcoin was at $114,380.61 when the figure came out. Fifteen minutes later it was 0.45% lower, and an hour later 0.58% lower. Its high-to-low range in the hour after was 0.94% of its price, against 0.52% in the hour before.

The release

Released by the Bureau of Labor Statistics on 11 September 2025 at 8:30 AM EDT. The Consumer Price Index came in at 0.3% for August 2025, against 0.2% in July 2025. Consumer prices are rising faster than before.

It arrived at the same moment as Core Consumer Price Index, Core Inflation Rate, Initial Jobless Claims and Continued Jobless Claims, so the reaction measured on this page belongs to all of them together.

What made it matter

Since 2021, CPI releases in the two weeks before a Fed decision have moved Bitcoin more than those at other times: a median volatility ratio of 4.75x across 28, against 3.99x across 42. This one came out 6 days before the Federal Reserve's 17 September rate decision. Its own ratio of 5.90x compares with 4.75x for those, so it moved the price more than its circumstances alone would suggest.

Its record

Across 70 CPI releases since 2021, Bitcoin's median volatility ratio is 4.28x.

What it means

This CPI release generated a strong reaction in Bitcoin, with volatility reaching 5.90 times an ordinary quarter hour against the 4.28x median across 70 prior CPI prints since 2021. Volume expanded to 13.68 times normal levels, compared with the 6.92x benchmark for the event. Bitcoin stood at $114,380.61 at 8:30 AM and moved 0.45 percent lower within fifteen minutes and 0.58 percent lower after one hour, while its high-to-low range widened to 0.94 percent from 0.52 percent in the preceding hour.

It arrived together with the core CPI, initial jobless claims and continued claims, so the volatility and volume ratios capture the joint impact of those releases. Pre-Fed timing added context: CPI prints in the two weeks before a policy decision have carried a 4.75x median volatility ratio since 2021.

This release occurred six days before the 17 September Federal Reserve meeting. Its 5.90x volatility ratio exceeded the 4.75x median recorded for releases in the two weeks before a policy decision, showing the data and its companions produced more price movement than the surrounding schedule alone would indicate. Traders watching the next CPI may note that proximity to a rate decision has historically lifted reaction sizes, though each release still varies with the figures themselves.

About Consumer Price Index

The Consumer Price Index (CPI) measures the monthly change in prices paid by U.S. consumers. The Bureau of Labor Statistics (BLS) calculates the CPI as a weighted average of prices for a basket of goods and services representative of aggregate U.S. consumer spending. The CPI is one of the most popular measures of inflation and deflation. The index is published monthly by the U.S. Bureau of Labor Statistics (BLS).

Disclaimer

The data analysis, forecasted results and projections provided herein are based on historical price action and market trends. While every effort has been made to ensure the accuracy of the information, these predictions are speculative and should not be considered a guarantee of future performance. Market conditions can change rapidly, and past performance is not indicative of future results. Trading and investing involve significant risk, and you should conduct your own research and consult with a licensed financial advisor before making any investment decisions. We do not assume any liability for any losses that may result from reliance on this information.

BTC-USDT

Bitcoin

Open

113,828.08

Close

115,783.20

24h Change

1955.12 (1.69%)

24h High

115,885.00

24h Low

113,430.00

24h Volume

14,142 BTC

US Consumer Price Index

Bureau of Labor Statistics

11th September, 2025, 8:30AM Timezone: America/New York

Chart Data from Binance

Observations

Time Open High Low Close Change Amplitude Volume
 
1 Minute
Before114286.00114380.61114228.84114380.610.08%0.13%35 BTC
During114380.61114500.00113500.00113845.51-0.47%0.87%696 BTC
 
5 Minutes
Before114198.20114380.61114156.07114380.610.16%0.20%78 BTC
During114380.61114500.00113500.00113762.23-0.54%0.87%1,172 BTC
 
10 Minutes
Before114154.30114380.61114095.01114380.610.20%0.25%150 BTC
During114380.61114500.00113500.00113914.67-0.41%0.87%1,317 BTC
 
15 Minutes
Before114261.60114380.61114074.75114380.610.10%0.27%220 BTC
During114380.61114500.00113500.00113863.86-0.45%0.87%1,389 BTC
 
30 Minutes
Before113999.99114484.36113999.99114380.610.33%0.42%728 BTC
During114380.61114500.00113500.00113975.99-0.36%0.87%1,644 BTC
 
1 Hour
Before113923.75114484.36113887.98114380.610.40%0.52%952 BTC
During114380.61114500.00113430.00113719.28-0.58%0.93%2,375 BTC
 
2 Hours
Before113977.46114484.36113887.98114380.610.35%0.52%1,298 BTC
During114380.61114715.02113430.00114154.70-0.20%1.12%3,500 BTC
 
4 Hours
Before114162.03114484.36113776.00114380.610.19%0.62%2,066 BTC
During114380.61114715.02113430.00114364.31-0.01%1.12%4,566 BTC
 
6 Hours
Before114265.99114484.36113776.00114380.610.10%0.62%2,927 BTC
During114380.61114715.02113430.00114215.75-0.14%1.12%5,370 BTC
 
8 Hours
Before113828.08114459.65113669.82114162.030.29%0.69%3,422 BTC
During114162.03114715.02113430.00114364.310.18%1.12%6,632 BTC
 
12 Hours
Before113828.08114484.36113669.82114380.610.48%0.71%5,488 BTC
During114380.61115885.00113430.00115783.201.21%2.12%8,654 BTC

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