The four-year cycle isn't dead — the magnitude is · Three down waves of near-identical depth · $79,009 is the only line that matters
BTC has run from $58,525 to an intraday $79,500 in under two months. I pulled every daily bar since 2010 and re-aligned all four cycles by days from halving instead of by calendar date. The answer is not the one the chart suggests.
In all four cycles, the real acceleration begins only after roughly 15 months before the halving. The year preceding that line goes nowhere: path efficiency of just 2.3%–6.3%, up-days running 46%–53%. Statistically indistinguishable from a coin flip.
We are 597 days from the next halving. That historical boundary lands around 2027-01-16 — about five months out.
Yesterday the market demonstrated the point: BTC printed $79,500 intraday, clearing the $79,009 confirmation line, then closed at $78,338. Today it is back to $76,894. Anyone who chased the wick is down 3.3% one day later. This is why every level in this column is measured on a closing basis, never on a touch.
This is not a case for cash, and not a case for full size. It says something narrower: over the next few months, waiting for a big move will most likely pay nothing, while trading defined levels with controlled risk will.
2025-10-06 → present, 20% ZigZag
Three down waves of −32.1%, −34.6% and −28.9%. The spread between the deepest and the shallowest is under six points. That is unusually uniform — in the 2018 and 2022 bears, individual waves ranged from −15% to −55%.
Wave 6 is the first rebound in this cycle to exceed the decline that preceded it (+35.8% intraday against −28.9%). That is the first necessary condition for a structural turn — necessary, not sufficient.
On a closing basis, the condition has not been met. August 21 reached $79,009 intraday and closed $78,338, 0.85% short. August 22 gave it back to $76,894. A long upper wick is not a confirmation. The requirement is a daily close above the line that holds for two weeks.
Peak-to-trough, daily closes
| Cycle | Drawdown | Days | Down waves |
|---|---|---|---|
| 2011 | −92.7% | 163 | 11 |
| 2013–2015 | −84.4% | 411 | 12 |
| 2017–2018 | −83.8% | 364 | 11 |
| 2021–2022 | −76.7% | 366 | 7 |
| 2025–2026 ⚠ | −53.1% | 320 | 3 |
⚠ The last row is an unfinished market. The four rows above it are settled history; this one can still be rewritten. Read it as "shallowest to date," not "shallowest ever."
An −80% collapse requires a specific mechanism: leveraged retail forced to liquidate into a downward spiral. Spot ETFs, corporate treasury holdings and institutional allocations have no margin call. As that share of supply grows, the spiral has less fuel. This is a structural argument, not a bullish one — it caps the downside, it does not create upside.
Trough to peak, daily closes
The last three bull markets ran 1,067, 1,059 and 1,062 days — a spread of eight days across nine years. Over the same span the magnitude fell by a factor of sixteen.
The practical rule: trust the timing, discount the size. Anyone modelling the next cycle on a repeat of 2021 percentages is extrapolating the one variable that has consistently failed.
| Halving | Cycle top | Days |
|---|---|---|
| 2012-11-28 | 2013-11-29 | 366 |
| 2016-07-09 | 2017-12-16 | 525 |
| 2020-05-11 | 2021-11-08 | 546 |
| 2024-04-20 | 2025-10-06 | 534 |
Taking the median of the last three (534 days) and applying it to 2024-04-20 gives 2025-10-06 — the exact day of the actual top. One data point, but a striking one.
Across the four bull markets there were 33 corrections, median −27.5%, with 45% of them exceeding −30% and the deepest at −64.1%. Holding leveraged exposure through an entire bull market is not a discipline problem. It is arithmetically impossible.
All four cycles re-aligned by days from halving
The common framing is "buy the halving." The data says the move starts well before it, and that the year before that start is the most punishing stretch of the entire cycle.
The year from T−2y to T−1y has a median of −25.4% and is negative in the three most recent cycles. The year from T−1y to the halving is positive in all four, median +133.1%.
Net return understates how unpleasant it is. Path efficiency — net move divided by the sum of absolute daily moves — measures how much of the travelling actually got you anywhere.
A path efficiency of 2.3% means price travelled roughly forty times its net move and finished where it started. An up-day share of 46%–53% is a coin flip. That is the statistical signature of chop, and it is what "trending up but nothing to show for it" actually looks like in numbers.
Merging all four cycles and taking the median of each 90-day window:
Every 90-day window before T−450 has a negative median. Every window from T−450 through T+540 is positive. There is no exception in four cycles. T−450 is roughly 15 months before the halving — which is where the title comes from.
Stated as a window: the historical launch zone is 2027-01-16 to 2027-04-11. If you want a single date to watch, use the end of Q1 2027.
This reconciles two views that appear to conflict. Even if the June low holds and this is already a slow bull, the next five months sit in the lowest-path-efficiency stretch in the historical record. "The bottom is in" and "nothing much will happen for a while" are not contradictory statements.
19,736 4h bars since 2017-08-17, ZigZag at three thresholds
| ZigZag | Median swing | Median duration | Count |
|---|---|---|---|
| 2% | 4.6% – 4.9% | 28 – 32 h | 1,842 |
| 3% | 6.2% – 6.8% | 40 – 52 h | 986 |
| 5% | 8.9% – 11.6% | 86 – 104 h | 421 |
The number that matters for anyone running a trade plan: a typical 4h swing moves 4.6%–4.9% over 28–32 hours, and it is essentially identical in bull and bear regimes (4.8% vs 4.9%).
Because swing size does not depend on regime, a 4h swing system needs no bull/bear switch — one of the most common sources of overfitting simply disappears. And a 3.6% price target sits comfortably inside the 4.6% median, which makes it a conservative objective rather than an aggressive one.
| Regime | Direction | Median duration |
|---|---|---|
| Bull | Up | 46 days |
| Bull | Down | 22 days |
| Bear | Up | 28 days |
| Bear | Down | 44 days |
Counter-trend legs resolve in roughly half the time of with-trend legs in both regimes. A rally in a bear market is not "the turn" because it is sharp — sharpness is exactly what a counter-trend leg looks like.
No probabilities are assigned. Each scenario is stated as a confirming signal and an invalidating signal you can check yourself.
A note on method. Assigning odds to a cycle scenario is itself the error this report is arguing against — the cycle is only knowable in hindsight. What is useful in advance is a set of triggers. Below, each scenario carries a price or date you can verify in real time.
| Scenario | Core claim | Watch |
|---|---|---|
| A · Bottom is in | June low holds, slow bull already underway | $79,009 |
| B · One more leg down | Three waves isn't enough, a fourth is coming | $66,000 |
| C · The cycle ends | Four-year rhythm dissolves into an equity-like trend | 2028 halving |
Core claim: $58,525 on 2026-06-30 was the cycle low. The three-wave structure is complete and the market is already in the early, low-slope phase of the next advance.
Supporting evidence: bear depth has declined monotonically across five cycles with no exception, and the structural reason is identifiable — ETF, treasury and institutional holdings carry no margin call, which removes the fuel from a liquidation spiral. Wave 6 is the first rebound in this cycle to exceed the preceding decline.
Projected path: applying the shrinking-magnitude pattern (÷2.9 to ÷5.5 per cycle) to a +692% prior bull gives a next-cycle gain in the range of +150% to +250% from the low, or roughly $193,000–$222,000, arriving around mid-2029 on the observed 1,060-day duration.
✅ Confirms if: a daily close above $79,009 that holds for two weeks, followed by a pullback that finds support near $70,000.
❌ Invalidated by: any daily close below $58,525.
⚠ The trap: reading "A is correct" as "safe to chase." Even if A is entirely right, the next five months are the lowest-path-efficiency zone in the record. Being right about direction and wrong about timing still loses money at leverage.
Core claim: three down waves is too few. The current +35.8% is a large bear-market rally, not a reversal.
Supporting evidence: prior bears ran 11, 12, 11 and 7 down waves. Three is far outside that range. And the current rebound sits squarely inside the normal distribution of bear rallies — the historical median bear rally is +43.3% over 28 days, with a maximum of +722%. The size of this move proves nothing on its own. Every bear market in the record contained at least one rally that looked like the bottom.
Projected path: a fourth wave at the three-wave median of −32.1% from $76,894 targets roughly $52,200; from a double top near $79,009 it targets $53,600. Given that waves have been narrowing (−34.6% → −28.9%), a shallower fourth leg landing near $56,000 is at least as plausible. Timeline Q4 2026 to Q1 2027, with a subsequent top of $160,000–$200,000 in 2029–2030.
✅ Confirms if: a high-volume long upper wick that fails below $79,009 while funding runs above 80% annualised, or any daily close below $66,000.
❌ Invalidated by: holding above $79,009 on a closing basis for two weeks.
⚠ The trap: going fully to cash to wait for a leg that may never arrive. $56,000 is only 28% below here. Missing the launch window costs considerably more than a 28% drawdown on a controlled position.
Core claim: the halving-driven rhythm dissolves. BTC trades like a large, volatile macro asset — no cycle top, no cycle bottom, just a long trend with equity-scale drawdowns.
Supporting evidence: the halving's supply effect shrinks by half every cycle and is now a rounding error against ETF and treasury flows. Magnitude has already collapsed by a factor of sixteen in nine years. The mechanism that produced the cycle is measurably weakening, whether or not the pattern has broken yet.
Projected path: annualised returns of roughly 15%–40%, annual maximum drawdowns of 20%–35%, and no identifiable cycle high or low.
✅ Confirms if: no visible acceleration within ±6 months of the 2028 halving, and annual maximum drawdown stays under −40% for two consecutive years.
❌ Invalidated by: any single year after 2028 returning more than +300%.
⚠ The trap: using scenario-A or scenario-B position sizing in a scenario-C regime. If the big move never comes, size built to survive a −80% bear and capture a +2,000% bull is simply carrying cost.
Why this scenario is included: A and B share a premise — that the four-year cycle persists. Only C catches you if the premise itself fails. That is the entire point of not anchoring to a pattern.
The useful conclusion here is not a label. Bull markets drop 30% routinely — 33 corrections, median −27.5%. Bear markets rally 40% routinely — median +43.3%. A framework that only works once you know which regime you're in is not a framework.
We are currently sitting in the lowest-path-efficiency segment in the historical record, and on the historical clock there are about five more months of it. Whether or not this is a bull market matters far less than whether your position size can survive the chop that comes before the answer.