29 September 2025
Seasonal tailwinds point to crypto upside
LMAX Digital performance

Total notional volume from last Monday through Friday came in at $4 billion, reflecting a healthy bump from a week earlier.

Breaking it down per coin, bitcoin volume came in at $1.5 billion, 25% higher than the previous week. Ether volume came in at $1.5 billion, 28% higher than the week earlier.

Total notional volume over the past 30 days comes in at $15.3 billion.

Looking at average position size over the past 30 days, we’re seeing average bitcoin position size at $12,645 and average position size for ether at $3,741.

Bitcoin volatility is attempting to bottom out off the lowest levels of the year. ETH volatility is also looking to stabilize after a period of cool down off multi-month highs.

We’re looking at average daily ranges in bitcoin and ether of $2,259 and $168 respectively.

Latest industry news

Nothing in financial markets is ever set in stone. Even so, seasonal trends in bitcoin deserve close attention.

Just a couple of weeks ago, we noted that bitcoin’s strong mid-September rally might give way to a cooler spell—a caution grounded in history, as September has consistently been bitcoin’s weakest month since 2013. True to form, bitcoin has indeed come under pressure as September draws to a close.

Paradoxically, this is good news. Why? Because the seasonal pattern that weighed on September is about to turn sharply in bitcoin’s favor.

October has historically been the second-strongest month for the cryptocurrency, delivering an average return of 22% since 2013. November is even more striking: the best-performing month of all, with average gains of an extraordinary 46% over the same period.

Against the backdrop of a landmark year for crypto—marked by significant advances in adoption and regulation—these seasonal tailwinds could set the stage for bitcoin to challenge and even surpass previous record highs before year-end.

The broader crypto market, including ETH and other major assets, is likely to benefit from the same momentum.

The key takeaway: don’t be discouraged by near-term weakness. Instead, view any dips as opportunities to build long exposure ahead of what history suggests could be a powerful year end rally.

LMAX Digital metrics
Price performance
last 30 days avg. vs USD (%)
Total volumes
last 30 days ($bn)
BTCUSD volumes
last 30 days ($bn)
BTCUSD avg. trade size
last 30 days ($k)
ETHUSD avg. trade size
last 30 days ($k)
Average daily range
BTCUSD
$2,259
ETHUSD
$168
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