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Bitcoin Enters 'Rektember' After Best August Since 2017

Created at 2 Sep · 12:00 PM1 source↑ Market-relevant
IN SHORT

Bitcoin experienced its strongest August since 2017, climbing 25%, but September has started with a downturn, with prices falling below $77,000. This follows a challenging historical trend for Bitcoin in September, though recent years have seen positive returns.

Key Numbers

25%Bitcoin August gain
$77kBitcoin price level
2017Best August for Bitcoin
3%Average September loss for Bitcoin
4.784%US 10-year Treasury yield
66%Chance of Fed rate hike
$88WTI crude oil price
$237MBitcoin ETF outflows
$8.6MEthereum ETF inflows
21Banks forming stablecoin company
2026Stablecoin company formation year
$3.38MRobinhood Chain revenue
$1.3BRobinhood Chain DEX volume
9%ENA price increase

Who's Involved

Tyler Warner
Author of Morning Minute newsletter
Kevin Warsh
Fed Chair who spoke at Jackson Hole
Phong Le
Strategy CEO
Vlad Tenev
Robinhood CEO
SEC
U.S. Securities and Exchange Commission
Citi
Bank forming stablecoin company
Goldman Sachs
Bank forming stablecoin company
BofA
Bank forming stablecoin company
UBS
Bank forming stablecoin company
Robinhood Chain
Blockchain setting revenue records
Ethena
Launched neobank app
Bitcoin Enters 'Rektember' After Best August Since 2017

↳ Why This Matters

The current market dynamics present a critical juncture for Bitcoin, as it faces historical seasonal weakness in September amidst rising inflation, potential interest rate hikes, and geopolitical instability, challenging the recent positive momentum driven by ETF inflows and on-chain activity.

Key facts

  • Bitcoin saw its best August performance since 2017, with a 25% increase.
  • Bitcoin's price has fallen below $77,000 at the beginning of September.
  • September has historically been a weak month for Bitcoin, averaging a 3% loss.
  • Rising bond yields and oil prices are creating headwinds for cryptocurrencies.
  • Bitcoin ETFs experienced significant outflows, while Ethereum ETFs saw continued inflows.

Bitcoin experienced its strongest August performance since 2017, with a 25% gain, but has entered September with a decline below $77,000. Historically, September has been Bitcoin's worst-performing month, averaging a nearly 3% loss, although the past three years have bucked this trend.

Headwinds are emerging, including elevated inflation concerns highlighted by Fed Chair Kevin Warsh at Jackson Hole, which pushed US 10-year Treasury yields to a cycle high of 4.784%. Markets are now pricing in a 66% probability of a 25-basis-point Federal Reserve rate hike at the September 16 meeting, with potential for another hike by year-end. Geopolitical tensions, with continued US strikes against Iran, have also driven WTI crude oil prices up 2% to $88 a barrel, the highest since late July.

These factors—higher rates tightening financial conditions and strengthening the dollar—typically act as headwinds for risk assets like Bitcoin. The market faces a battle between potential tailwinds from ETF inflows, on-chain activity, and a booming crypto market, versus headwinds from war, rising oil prices, inflation, and potential rate hikes.

In broader market movements, crypto majors were down 2-4%, with Bitcoin at $76.6k and Ethereum at $2,376. Bitcoin ETFs saw $237 million in net outflows, while Ethereum ETFs continued their inflow streak with $8.6 million. Twenty-one major banks, including Citi, Goldman Sachs, BofA, and UBS, plan to form a stablecoin company in 2026, starting with a dollar token in early 2027. The SEC has proposed modernizing transfer agent rules to allow blockchains as official record keepers, with a roundtable scheduled for September 17.

Robinhood Chain has set new records for revenue and DEX volume. Separately, Ethena launched Ethena Pay, a neobank app, with Avalanche as its settlement layer, causing ENA to rise 9%. Meme coins were largely down, while leaders on Robinhood Chain showed mixed performance. Strategy CEO Phong Le defended selling Bitcoin near $60,000 and repurchasing at $80,318, emphasizing cost of capital over price.

Frequently asked questions

September has historically been Bitcoin's worst month on average, delivering a loss near 3% and only five positive returns in thirteen years since 2013.

Headwinds include elevated inflation, rising bond yields, potential Federal Reserve rate hikes, and geopolitical tensions leading to higher oil prices.

Potential tailwinds include ETF inflows, strong on-chain crypto market activity, and the continued growth of the crypto ecosystem.

Twenty-one banks and asset managers, including Citi, Goldman Sachs, BofA, and UBS, will form the company.

What Happens Next

01Next FOMC meeting and rate decision on September 16.
02SEC roundtable on 24-hour trading on September 17.
03Feedback period for MSCI's proposed screen deletion closes September 30.

How It Developed

Bitcoin climbed 25% in August, its strongest month since November 2024 and best August since 2017.
Bitcoin fell below $77,000 at the start of September.
September has historically been Bitcoin's worst month, with an average loss of nearly 3%.
US 10-year Treasury yields reached 4.784% following Fed Chair Kevin Warsh's Jackson Hole speech.
Markets are pricing in a 66% chance of a 25-basis-point Fed rate hike at the September 16 meeting.
WTI crude oil rose 2% to $88 a barrel due to continued US strikes against Iran.
Crypto majors were down 2-4% as oil and bonds rose.
Bitcoin ETFs saw $237 million in net outflows on Tuesday.

Sources

T1
Morning Minute: Bitcoin Enters ‘Rektember’ After Best August Since 2017Decrypt

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