Bitcoin’s BTC-USD market on Coinbase Exchange rose 13.36% across the April 29, 2020 UTC session, climbing from $7,757.18 at the first trade of the day to $8,793.75 at the last. The venue recorded an intraday high of $8,988. Contemporaneous reporting described the advance as Bitcoin’s largest in six weeks, making its reaction to an extraordinary macroeconomic setting difficult for institutional observers to ignore.
The development mattered for two reasons. Bitcoin was approaching its programmed block-subsidy reduction in May 2020, while the Federal Reserve was maintaining emergency support for dollar credit markets. At the same time, the rally exposed a familiar weakness in retail cryptocurrency infrastructure when Coinbase’s customer-facing services became intermittently unavailable.
What the market record shows
Coinbase Exchange’s 86,400-second BTC-USD candle beginning at 00:00 UTC on April 29 records a low of $7,720, a high of $8,988, an open of $7,757.18, a close of $8,793.75 and volume of 48,689.7503 BTC. Coinburn calculates the 13.36% open-to-close gain as ($8,793.75 / $7,757.18 − 1) × 100.
A contemporaneous CoinDesk snapshot placed bitcoin at $8,703 at 19:30 UTC, up 12% at that observation time, and described the move as the largest in six weeks. That figure and the Coinbase daily candle are not contradictory: one is an intraday publisher snapshot and the other is a full UTC-session record from one exchange.
Neither is a universal bitcoin close. Bitcoin traded continuously across many dollar and stablecoin order books, without a consolidated closing auction. Coinbase’s documentation also warns that historical candle data may be incomplete and that intervals without trades are not published. The figures establish the range and return on Coinbase’s BTC-USD venue, not every trader’s execution price or worldwide volume.
A severe economy and continuing monetary support
At 08:30 Eastern on April 29, the U.S. Bureau of Economic Analysis released its advance estimate that real gross domestic product had contracted at a 4.8% annual rate in the first quarter of 2020, after 2.1% growth in the fourth quarter of 2019. BEA explicitly said the estimate relied on incomplete source data and would be revised.
At 14:00 Eastern, the Federal Open Market Committee kept the federal-funds target range at 0% to 0.25%. It also said the Federal Reserve would continue buying Treasury securities and agency residential and commercial mortgage-backed securities in amounts needed to support smooth market functioning.
Those records explain why inflation-hedge and scarce-asset narratives surrounded the rally. They do not prove that the Fed decision or GDP release caused it. The approaching subsidy reduction, positioning, short covering and broader risk appetite were also plausible influences; the cited market data cannot assign motives to orders.
The access failure
Coinbase’s retail website, mobile applications and Coinbase Pro interfaces experienced interruptions during the rally. A company postmortem published on May 14, 2020—later context, not information fully available on April 29—said the customer API was unavailable from 10:28 to 10:40 Pacific time. After a stable interval, instability ran from 11:12 to 12:11, including 20 minutes of full unavailability and 40 minutes of degraded performance. Coinbase said full service returned at 12:11.
The company attributed the failure to database-connection problems amplified by faulty reconnection behavior. It also said exchange APIs and the underlying markets remained healthy. That distinction matters: customer access failed during a sharp move, but the primary venue candle does not show that Coinbase Exchange itself stopped trading.
What April 29 established
April 29 established a powerful, venue-verifiable Bitcoin rebound inside an unprecedented policy and economic environment. It did not establish a permanent inflation hedge, prove a single cause for the move or guarantee that retail platforms could absorb future bursts of demand. The defensible event-day conclusion was narrower: Coinbase BTC-USD gained 13.36% over the UTC session, while emergency monetary policy, contracting output and access interruptions shaped how the rally was interpreted.
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