Bitcoin's 50-day simple moving average read $63,673.69 against a 200-day of $69,119.97 when I computed both from CoinGecko's 365-day daily series at 05:02 UTC on Tuesday, August 18, 2026, and Ethereum's read $1,843.25 against $2,012.90 on the same pull. Both assets are sitting in an active death cross, the 50-day beneath the 200-day, and both gaps have been shrinking every week. The dollar figures look nothing alike, which is precisely why dollars are the wrong unit for this comparison.
Measured against each asset's own price the two crosses are almost the same size. The speed at which they are closing is where Bitcoin and Ethereum separate, and the mechanism doing the closing is the part almost nobody explains.
How Both Crosses Look Once You Compute Them Yourself
A death cross is the 50-day average crossing below the 200-day. That pairing matters, because several published sources run the signal against the 100-day instead and then report a different state of the market. The Phemex Academy explainer on the golden cross and death cross uses the 50/200 pair, which is the version desks and charting platforms actually watch, and everything below is computed on it.
My basis is simple averages, not exponential ones, taken from daily closes stamped at 00:00 UTC and drawn from CoinGecko's daily market chart endpoint. No scraped technicals table touched this piece, for reasons that become obvious further down.
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Asset
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50-day SMA
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200-day SMA
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Gap
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Gap as a share of price
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Bitcoin
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$63,673.69
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$69,119.97
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$5,446.28
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8.49%
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Ethereum
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$1,843.25
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$2,012.90
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$169.65
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8.96%
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Bitcoin traded at $64,137.50 and Ethereum at $1,893.93 on that same 05:02 UTC pull on Tuesday, August 18, 2026, which places both assets in the corridor between their own two averages. Those marks come from the same source as the averages, CoinGecko's Bitcoin price page and its Ethereum page. A $5,446 gap and a $170 gap sound like different worlds until you divide each by the price it belongs to, and then they land within half a percentage point of each other.
Why the Two Gaps Are Closing at Very Different Speeds
The size of a cross tells you where the market has been. The rate of change tells you what the averages are doing to each other on this pull, and on that measure the two assets are not remotely alike.
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Gap between the 200-day and the 50-day
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Bitcoin
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Ethereum
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30 daily bars earlier
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$9,598.13
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$456.21
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14 daily bars earlier
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$7,633.97
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$309.10
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7 daily bars earlier
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$6,649.05
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$244.08
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Tuesday, August 18, 2026
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$5,446.28
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$169.65
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Bitcoin's gap has been narrowing at roughly $969 per week averaged across the last 30 bars and about $1,203 per week across the last seven. Ethereum's equivalent figures are roughly $67 and $74 per week, which again means nothing in isolation. Convert both into a share of price and Ethereum is closing its cross at about 3.9% of price per week against Bitcoin's 1.9%, so the same structure is resolving at roughly double the pace on one chart.
Run the trailing rate forward and Bitcoin's remaining gap needs something like four and a half to five and a half weeks, while Ethereum's needs about two and a half. Treat both as arithmetic on a trailing rate rather than a schedule. Averages accelerate and stall depending on which bars are rolling in and out, and a rate computed over the past 30 days has no obligation to hold for the next 30.
Why a 200-Day Average Falls With Nobody Selling
Most readers assume a death cross ends when buyers show up, and it does not have to work that way at all.
A 200-day simple average is a queue. Every day the newest close joins it and the close from 200 days earlier leaves, and the average moves by the difference between those two numbers divided by 200. The bar leaving Bitcoin's window on the current pull is the January 31, 2026 close of $84,091.63, which is also the highest print still inside that window. Against a live $64,137.50 at 05:02 UTC on Tuesday, August 18, 2026, that single swap drags the 200-day lower by about $100 per day on its own. Ethereum's expiring bar is the same calendar date at $2,702.92, worth roughly $4 per day off its 200-day.
Nothing about that requires a buyer, a rally, or a headline. It requires the calendar.
And the queue behind it is stacked the same way. The next 30 bars scheduled to roll out of Bitcoin's 200-day window average $69,585.94, and Ethereum's average $2,058.04, both far above where either asset was trading on the pull. As of that pull, 145 of the 200 bars inside Bitcoin's window and 133 of Ethereum's sit above the live price, so the pressure on the long average stays downward for as long as those old highs keep expiring.
The 50-day is doing the opposite. Its expiring bar is the June 30, 2026 close, $60,152.36 for Bitcoin and $1,609.75 for Ethereum, both well below where either asset traded on that pull, so the short average is being pulled up by the same mechanism that pulls the long one down. That is what makes these gaps close from both ends at once.
Freeze the price completely and the arithmetic still resolves. Holding Bitcoin at its 05:02 UTC pull price and letting the windows roll, the 50-day climbs back above the 200-day after 118 daily bars. Ethereum takes 94 under the same frozen-price test. That number is deliberately not a forecast, because prices never freeze, but it settles the question of what a cross needs in order to end. Long-horizon tools like the 200-week moving average and the Bitcoin rainbow chart behave the same way, which is why they lag turns rather than call them.
Two Numbers Worth Correcting Before You Trade Them
A widely republished technicals table gives Bitcoin's 200-day average as $63,775.79. That figure is a mis-mapped row. On my own computation it lands $102 above the 50-day and roughly $5,344 below the 200-day, which makes it a 50-day number wearing the wrong label. The consequence is not academic. A reader who checks that table sees a 200-day sitting essentially on top of spot and concludes the death cross is about to resolve, when the real long average is thousands of dollars higher and the gap is still measured in weeks of drift.
The second correction is ours. Phemex coverage published an Ethereum rejection band of $1,935 to $1,940, and that band does not survive a fresh pull. Ethereum has not reached $1,935 in the last fourteen days. The highest daily close in that window was $1,915.38 on Sunday, August 9, 2026, and the highest hourly print was $1,928.81 at 13:00 UTC on Friday, August 7, 2026, so the level fails on a daily basis and on an hourly one. Any reader who sold into a rejection that never happened was trading a level the tape never printed.
What Actually Separates Ethereum From Bitcoin Here
Percent of price says the two crosses are twins. Position relative to the short average says they are nothing of the sort.
Ethereum has closed above its 50-day simple average for 39 consecutive daily bars through the Tuesday, August 18, 2026 print, and it also sits above its 50-day exponential average of $1,867.18, computed on the same series. Being above both lines while the long average keeps falling is the configuration that resolves a death cross quietly, and it is why Ethereum's gap is compressing twice as fast in percentage terms.
Bitcoin's position is messier. It closed below its 50-day exponential average of $64,310.30 on seven straight daily bars, reclaimed it by about $181 on the August 18 00:00 UTC close, then slipped back roughly $173 under it by the 05:02 UTC pull. That line, rather than the simple average, is where Bitcoin keeps failing, and a reclaim that lasts hours is not a reclaim. Traders watching only the simple 50-day would have missed the entire sequence, since Bitcoin never spent long on the wrong side of it. For the fundamentals underneath these two charts, the Academy pages on Bitcoin and Ethereum cover what each network is being priced on.
Frequently Asked Questions
Does a death cross mean the price is going lower?
No. It is a lagging confirmation that the last 50 sessions averaged below the last 200, which is history rather than a statement about the next move. The useful information sits in the direction and speed of the gap, not in the label attached to it.
Why do two sites report different 200-day averages for the same asset?
Because the inputs differ. Simple versus exponential, daily closes versus rolling 24-hour marks, and 00:00 UTC versus exchange-local session ends all produce different numbers on the same chart, and mislabeled table rows add another layer of error on top. Compute it yourself, or use a source that states its basis.
Can a death cross end without any rally?
Yes, and that is the most misunderstood part of the pattern. When old high prices are still rolling out of the 200-day window while old low prices roll out of the 50-day, the two averages converge on their own while price does nothing at all.
Should I use the 50-day simple or exponential average?
The exponential line weights recent closes more heavily, so it reacts faster and generally sits closer to price during a trend. Watch the simple pair for the cross itself and the exponential line for entries, because on this pull the two tell different stories about Bitcoin.
Bottom Line
Two death crosses, one converging at nearly double the speed of the other, and neither of them needs a buyer to resolve. The condition that matters for Ethereum is holding its 50-day pair from underneath, because losing that support would reset the faster-closing gap of the two. Bitcoin's tell is narrower still. Through the Tuesday, August 18, 2026 daily print, its last close above $65,000 was Monday, July 27, 2026, and a 30-day daily-close range of $62,802.63 to $66,520.98 has kept it pinned between its own averages ever since. A run of daily closes holding above the 50-day exponential line, rather than one print through it, is the first real evidence that Bitcoin's cross is closing for the same reason Ethereum's is. Until then the calendar is doing the work, and the calendar does not care which direction you are positioned.
This article is for informational purposes only and does not constitute financial or investment advice. Cryptocurrency trading involves substantial risk. Always conduct your own research before making trading decisions.
