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Bitcoin (BTC) may be approaching a major correction zone, according to on-chain analyst Chain Mind, who warned on Sunday that the cryptocurrency was repeating the same technical structure seen before sharp reversals in 2018 and 2021.
Chain Mind said Bitcoin was currently trading inside a rising wedge formation on higher-timeframe charts, a pattern where prices continue moving higher within narrowing boundaries before momentum weakens and the structure breaks downward.

The analyst's chart marked the current setup with yellow dots placed at the precise points where Bitcoin previously topped out after brief "fake pump" rallies before broader selloffs began. "Right now in 2026, BTC is sitting at the same pre-dump move," Chain Mind wrote, warning that "if history repeats, we will start dumping soon."
Chain Mind is not alone in flagging the 2018 parallel. Analyst CryptoBullet argued that Bitcoin's current pattern closely mirrors the 220-day-after-cycle-top period in 2018, when BTC repeatedly tested its 200-day moving average before breaking lower into a deeper bear leg.
The warning comes as Bitcoin's price was trading at $78,060, up 0.2% over the past 24 hours. On Stocktwits, retail sentiment around BTC moved to 'neutral' from the 'bullish' zone, while chatter stayed at 'normal' levels over the past day.
Despite growing warnings, Strategy (MSTR) Executive Chairman Michael Saylor continued to signal aggressive Bitcoin accumulation. On Sunday, Saylor posted "Big Dot Energy," suggesting a fresh Bitcoin purchase.

It followed an announcement last week that Strategy had bought 535 BTC for roughly $43 million at an average price of $80,340 per coin. Strategy is the largest corporate holder of the cryptocurrency, with a reserve currently valued at more than $64 billion.
On Saturday, Saylor urged shareholders to support Strategy's STRC proposal, framing the vote as a chance to "make history and establish the $100 standard for Digital Credit."

STRC, which has a market cap of $8.5 billion, would become the only equity among more than 24,000 dividend-paying securities globally to distribute semi-monthly payouts. This contrasts with the 24,000 securities that currently pay quarterly and the 176 that pay monthly.
Strategy followed up on Sunday with an appeal to retail holders, who own around 80% of STRC's float through major brokerages, urging them to vote in favor of the amendment.
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