Fidelity's Julian Timmer Sees Bitcoin (BTC) at $300K by 2029 on Power-Law Model

Timmer's $300K Power-Law Call

Bitcoin (BTC) has entered a fresh cyclical bull market, according to Julian Timmer, global macro director at Fidelity Investments, whose Sept. 26 post on X projects a $300,000 level for the asset by 2029. The call rests on a single threshold: Bitcoin held its $60,000 power-law support through this year's drawdown, and Timmer treats that defense as the dividing line between an intact accumulation cycle and a deeper structural break. A power-law model maps an asset's price against the time elapsed since inception on a log-log scale, producing a straight long-run growth line with a parallel support band beneath it. Timmer has long treated that lower band as his bear-market floor, noting that actual cycle lows in the 2018 and 2022 bear markets stayed above it — a track record that carries real weight among analysts who follow quantitative cycle work on the Bitcoin (BTC) asset class. The market backdrop sharpens the point: BTC peaked near $126,000 in October 2025, slid to roughly $58,000 by late June 2026, and had recovered to $81,218 by Sept. 20, the baseline date of the published chart, before trading near $84,000 on Sept. 27. That rebound unfolded amid heavy macro noise, from Bill Gates pressing Congress to regulate AI to the session our desk covered as BTC holding the $84,000 line after geopolitical risk eased. The chart itself places the power-law support line at $51,820 on that baseline date, roughly a third below spot, with price sitting essentially back on the trendline. For an asset whose four-year cycle brackets each Bitcoin halving, the model's timing lines up with the historical rhythm of post-correction recoveries, and each successive higher low above the support band is what the framework treats as cycle confirmation.

From July Caution to Conviction

Sequence matters, because the $300,000 call marks a reversal from Timmer's own stance earlier this year. In early July, with the support line drawn near $58,237, he was explicitly cautious, citing decelerating global money-supply growth and arguing the macro backdrop offered no bullish catalyst strong enough to force a turn. On Aug. 29 he shifted, acknowledging that BTC had held the bottom of the power-law curve and that the four-year cycle's time-based adjustment was sufficiently mature. The Sept. 26 post then took the decisive step, naming both a target — $300,000 — and a date — 2029 — a level implying roughly 3.6x from the ~$84,000 spot price of the time. The supporting evidence leans on relative value rather than momentum: the BTC-to-gold ratio's 52-week z-score printed -100% most recently, a depth matched at prior cycle bottoms of -120%, -118% and -102%, which Timmer reads as the asset being as washed out, relative to gold, as it has been at any previous cycle low. Meanwhile the “BTC vs Power Law” gap stands at +6%, meaning price has climbed back essentially onto the trendline itself. Readers who prefer visual band frameworks can see the same log-scale logic in our Bitcoin Rainbow Chart guide. Notably, the chart carries its own guardrail, stating that past performance does not guarantee future results and that $300,000 remains a mathematical estimate rather than a promise. The distance between the two stances — a $58,237 floor in doubt in July versus a $300,000 target in September — shows how quickly quantitative conviction can swing once a floor survives a test, and why such models move markets: a Fidelity macro mandate lends the projection institutional weight that retail chart posts rarely carry. Readers tracking the market in real time can follow live spot and futures prices on Gate.

$60K Hold Is the Line to Watch

In COINOTAG's reading, the load-bearing element is not the $300,000 figure but the falsifiable threshold beneath it. The $60,000 hold is what converted a stalled money-supply backdrop into a bull call, and it remains the level that would invalidate the thesis outright. Spot data as of Sept. 27 put BTC near $84,000, leaving roughly a third of cushion above the $51,820 support line. Institutional desks increasingly anchor cycle narratives to quantitative band models — a pattern our Bitcoin market coverage tracks closely, from Timmer's power law to Michael Saylor's long-horizon accumulation thesis. For holders weighing whether to hodl through the next leg, the trendline — not the headline target — is the signal to watch.