Coin Newsweek – March 1, 2026 – As the cryptocurrency market enters March, historical data from Coinglass offers a fascinating glimpse into how Bitcoin and Ethereum have typically performed during this month over the past decade-plus. The numbers reveal a striking divergence between average and median returns, highlighting how massive outlier gains can mask more typical performance patterns.
For investors positioning themselves for the month ahead, understanding these historical trends provides valuable context—even if past performance never guarantees future results. March has proven to be a month of extremes for both leading cryptocurrencies, with spectacular gains and devastating losses both represented in the historical record.
Bitcoin’s March History: 13 Years of Volatility
Since 2013, Bitcoin has experienced 13 March price movements, with 6 months showing gains and 7 months showing losses. This nearly balanced split suggests that March is not consistently bullish or bearish for the world’s largest cryptocurrency, but rather a month where direction is determined by broader market conditions.
The average return across all 13 Marches stands at an impressive 11.28%, a figure that might suggest March is a favorable month for Bitcoin investors. However, this average is heavily skewed by extraordinary outlier performances. The median return—a more reliable indicator of typical performance—tells a different story at -1.55%.
The disparity between average and median returns illustrates the impact of extreme events. March 2013 stands as the best-performing March in Bitcoin’s history, with a staggering 172.76% monthly gain. This explosive growth came during Bitcoin’s first major bull run, when the cryptocurrency was still in its infancy and experiencing parabolic rises that would become less common as the market matured.
At the opposite end of the spectrum, March 2018 delivered the worst March performance on record, with a devastating 32.85% decline. This occurred during the prolonged bear market that followed the 2017 bull run peak, when Bitcoin fell from its then-all-time highs and entered a multi-year period of consolidation and decline.
Ethereum’s March Record: Higher Volatility, Lower Median
Ethereum’s March history, spanning 11 years since 2016, reveals even more dramatic swings. The smart contract platform has recorded gains in 8 Marches and losses in just 3, suggesting a stronger seasonal tendency toward positive performance. However, like Bitcoin, Ethereum’s average return masks significant volatility.
The average March return for Ethereum stands at an impressive 17.07%, substantially higher than Bitcoin’s average. This reflects Ethereum’s generally higher volatility profile and its tendency to deliver more explosive moves during bull markets. The best March on record came in 2017, when Ethereum surged an incredible 214.11% during the ICO boom that established the platform as a cornerstone of the cryptocurrency ecosystem.
Yet the median return tells a more sobering story at -9.33%, meaning that in a typical March, investors have actually lost value. This negative median, despite eight winning Marches out of eleven, illustrates how deeply the losing months have cut. The worst March for Ethereum came in 2018, when the cryptocurrency plummeted 53.79%—an even steeper decline than Bitcoin’s worst March, reflecting Ethereum’s higher beta to broader market movements.
Understanding the Average vs. Median Disparity
The significant gaps between average and median returns for both cryptocurrencies highlight an important statistical reality: extreme outlier events heavily influence averages in volatile asset classes. A single month like March 2017 for Ethereum or March 2013 for Bitcoin can lift the average substantially, while the typical month may tell a very different story.
For investors, this distinction matters. Relying solely on average returns can create misleading expectations about what a “normal” March might bring. The median figures—showing slight losses for Bitcoin and more substantial losses for Ethereum—provide a more realistic baseline for expectations, even if they cannot predict any particular March’s outcome.
Context Matters: The Broader Market Environment
Historical patterns must be interpreted within their broader market context. Bitcoin’s worst March in 2018 occurred during a severe bear market, while its best March in 2013 happened during an early-stage bull run. Similarly, Ethereum’s 2017 explosion came during the ICO frenzy, while its 2018 collapse followed the bursting of that bubble.
As March 2026 begins, the market environment differs significantly from any previous year. Cryptocurrency markets have matured considerably, with institutional participation, regulated ETFs, and greater integration with traditional finance. Whether these structural changes will alter historical seasonal patterns remains an open question.
What the Data Suggests for March 2026
If historical patterns hold, the median figures suggest that investors might prepare for modest downside in Bitcoin and more significant potential drawdowns in Ethereum during March. However, the wide range of historical outcomes—from 172% gains to 53% losses—underscores that any given March can deviate dramatically from typical performance.
The data also highlights Ethereum’s higher volatility profile, which cuts both ways. In favorable conditions, Ethereum has historically outperformed Bitcoin substantially, delivering gains that far outpace the larger cryptocurrency. But in downturns, Ethereum has also fallen further, reflecting its higher beta and greater sensitivity to market sentiment.
Implications for Portfolio Strategy
For investors constructing cryptocurrency portfolios, these historical patterns offer several insights. First, diversification across assets can help manage the different volatility profiles of Bitcoin and Ethereum. Second, the wide range of potential outcomes suggests that position sizing and risk management deserve careful attention regardless of seasonal expectations.
Additionally, the historical data reinforces that timing the market based solely on seasonal patterns is exceptionally difficult. While March has delivered spectacular gains in some years, it has also produced devastating losses in others. Investors who position aggressively based on average returns risk significant drawdowns if the month follows its median pattern instead.
Looking Beyond March
While March’s historical patterns provide interesting context, they represent just one month in the complex tapestry of cryptocurrency market dynamics. Long-term investors may find more value in understanding the fundamental drivers of crypto returns—adoption trends, regulatory developments, technological progress, and macroeconomic conditions—than in attempting to time entries and exits based on seasonal tendencies.
As March 2026 unfolds, market participants will watch whether this month aligns more closely with the positive average returns or the negative median outcomes. Either way, the historical data serves as a reminder that cryptocurrency markets remain volatile and unpredictable, capable of both spectacular gains and painful losses in any given month.
Sources: Coinglass historical data
Disclaimer: This content is for market information only and is not investment advice. Past performance does not guarantee future results.
