Analyst Mags: Bitcoin (BTC) Retests 8-Year Trendline on Friday

A Line Drawn in 2018

Bitcoin (BTC) moved back toward one of the most closely tracked structures on its long-term chart on Friday, and the Bitcoin (BTC) price stood at $81,669 at the time of writing, down 1.05% over the past 24 hours. The structure in question is an ascending trendline that has run beneath the market since 2018, a span of roughly eight years, and it returned to the center of discussion after analyst Mags published an updated chart assessment on October 16. Unlike a horizontal support, the line rises with each cycle, so the market meets it at different prices over time. In the analyst's reading, the line has intersected the market's major lows across several different cycles and has been decisively lost only once. That single clean break came in March 2020, during the sharp global sell-off, and price climbed back above the line within a short period, according to the chart the analyst shared. The recent sequence is what Mags flags as the live development: Bitcoin (BTC) slipped briefly below the trendline, then pushed back above it and is now working to turn the level back into support. Technical traders describe this move as a reclaim, and the analyst treats a confirmed reclaim as a potentially strong bullish signal for the long-term picture. What gives the drawing its weight is not one cycle but several: the chart places the 2022-2025 cycle lows along the same rising line, so the level has shaped investor behavior across more than one market regime. Coverage of the wider Bitcoin market has followed the level across those regimes as well. The assessment carries no price target; Mags frames the trendline as a structural test whose outcome would either extend or weaken an eight-year support record.

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Published an updated chart assessment on October 16.

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March 2020 remains the anchor of the comparison in the analyst's chart. The global sell-off that month drove price below the ascending line, and the recovery that followed turned out, in Mags' view, to be one of the strongest long-term buying opportunities Bitcoin (BTC) has offered. The parallel the chart draws between then and now is structural, not predictive: in both episodes price lost the line briefly, returned above it, and then faced the same zone from above. A trendline that several cycles respect tends to carry more analytical weight than one drawn within a single regime, though no line overrides macro conditions or liquidity. The reclaim mechanics matter for how the test resolves. If price retests the zone from above and holds it, the reclaimed level can flip back into working support, and the eight-year ascending structure stays intact. If the line fails again and price settles below it durably, the same recovery reads as a failed reclaim and the long-term structure weakens. Mags does not present the 2020 episode as a template. The conditions differ in ways that matter: interest-rate settings, Bitcoin's market value and the weight of institutional investors, now amplified by spot ETF vehicles, are far from what they were six years ago. Long-term holders who HODL through entire cycles read the line as a record of where conviction bought past drawdowns, while cycle frameworks such as the Bitcoin Rainbow Chart track the same multi-year arcs from a different angle. Broader overhead context sits in our earlier coverage of the $88,000 supply wall, and the full level map lives on our Bitcoin technical analysis page. For the line itself, the standard the analyst sets is persistence: a few daily or weekly closes above the trendline would give the reclaim more weight than any single session.

Two Strong Levels Bracket $81,669

Our composite support scoring places the nearest shelf at $81,484, scored 87 out of 100, with resistance at $84,618 scored 89/100, so the price sits between a firm floor and a heavier ceiling. Positioning reads calm: funding runs at 0.0023% on perpetuals and open interest stands near $15.98 billion. Cycles of this length overlap with the schedule many observers anchor to the Bitcoin halving, and the line's record is what conviction-driven approaches, from cycle traders to the stance behind Bitcoin maximalism, lean on. The structure has held since 2018 with one decisive exception in March 2020; the coming daily and weekly closes decide whether that eight-year record extends.