Cycle Duration Dashboard

What is it?

The Cycle Duration Dashboard is the command center for Bitcoin cycle timing. It consolidates four critical measurements for each historical cycle into a single comparative view: bull phase duration (bottom to top), bear phase duration (top to bottom), full cycle length (bottom to bottom), and accumulation period (time spent below the previous ATH). Think of it as an X-ray of each cycle's skeleton - revealing not just how long the cycle lasted, but how its time was distributed between expansion and contraction. This holistic view immediately exposes structural patterns that individual metrics might miss: the bull phase has been remarkably consistent, the bear phase has been shortening, and the accumulation period has been lengthening proportionally.

How to read

The dashboard uses a multi-series bar or grouped chart format. Each cycle appears as a cluster of colored bars: green for bull phase, red for bear phase, purple for full cycle, and blue for accumulation. The Y-axis shows days, and each cluster represents one Bitcoin cycle. A summary table above or beside the chart shows exact day counts and percentage breakdowns. The current cycle is shown with the bars growing in real time. A small ratio indicator shows the bull/bear split for each cycle (e.g., 65/35, 70/30) to highlight how the allocation is shifting.

Key zones

Cycle breakdown by phase (approximate days): • Cycle 1: Bull ~1,107 | Bear ~410 | Full ~1,152 | Accumulation ~623. • Cycle 2: Bull ~1,068 | Bear ~364 | Full ~1,432 | Accumulation ~779. • Cycle 3: Bull ~1,061 | Bear ~376 | Full ~1,437 | Accumulation ~737. • Bull phase trend: Remarkably stable at ~1,065 days (±45), suggesting a structural constant. • Bear phase trend: Declining from ~410 to ~364 days - bears are getting shorter. • Full cycle trend: Stabilized at ~1,435 days (post-Cycle 1). • Accumulation trend: Growing from ~623 to ~779 days - more time spent below ATH. • Bull/bear ratio: Shifting from approximately 73/27 (Cycle 1) to 74/26 (Cycle 2) to 74/26 (Cycle 3) - the split has stabilized. • Current Cycle 4 tracking: Bull phase elapsed days vs. the ~1,065-day average provides the key timing context.

What to observe

• Phase imbalance: Watch for the current cycle's bull/bear ratio diverging from the historical ~74/26 split. A significantly higher bull ratio could indicate an elongated cycle; lower could indicate premature exhaustion. • Accumulation period length: A longer accumulation phase (more days below ATH) has historically preceded stronger post-ATH rallies. It represents more time for supply to transfer to strong hands. • Bear phase floor: If bear phases continue to shorten, it implies faster recovery and potentially shallower drawdowns - a sign of deepening liquidity and structural demand. • Cycle symmetry: Symmetric cycles (where bull ≈ bear in duration, not magnitude) have historically preceded 'blow-off' tops. Asymmetric cycles with long bulls and short bears have preceded more orderly distribution. • Cross-reference with macro: The dashboard is most valuable when cross-referenced with the macro cycle (dollar, liquidity, interest rates) - cycles that align with favorable macro conditions tend to fill out their full bull-phase duration.

Historical context

The Cycle Duration Dashboard synthesizes what individual metrics show in isolation. Across three complete cycles, the most striking finding is the stability of the bull phase (~1,065 days) combined with the compression of the bear phase (~410→364 days). This pattern suggests that market maturation primarily affects the downside - deeper liquidity, stronger hodler conviction, and institutional demand create a floor that gets reached faster. Meanwhile, the fundamental supply-driven bull cycle continues at its natural pace, anchored to the halving. The accumulation period's growth (623→779 days) reflects a market that is spending more time in 'value' territory before the next run - consistent with a maturing asset class where participants are more patient and less prone to premature euphoria. This dashboard was essential during the 2022-2023 bear market for providing context: the bear was running shorter than average, and the accumulation phase was on track for a cycle-consistent breakout.

Expert notes

The dashboard is constructed using a standardized cycle definition: Bottom = lowest daily close after the cycle peak, Top = highest daily close before the subsequent bear decline exceeds 50% from peak. This avoids the ambiguity of intra-cycle corrections. The accumulation period is defined as the number of days from the cycle bottom to the first daily close above the previous cycle's top - equivalent to the ATH Break Days metric. Phase percentages are calculated as (phase days / full cycle days × 100). The remarkable stability of the bull/bear ratio at approximately 74/26 across Cycles 2 and 3 suggests a natural equilibrium. In classical Dow Theory terms, this corresponds to a primary bull trend lasting roughly 3x the primary bear trend, which aligns with observations in many commodity cycles. The dashboard feeds 4 independent indications into the TCCI: bull-phase elapsed %, bear-phase elapsed %, accumulation duration anomaly, and phase-ratio deviation.

Common mistakes to avoid

• Treating phase durations as fixed: They are central tendencies with significant variance. The bull phase could be 950 or 1,150 days and still be 'within range.' • Ignoring intra-cycle corrections: A 30-40% drawdown within a bull phase (like May 2021) does not mean the bear has started. The dashboard defines phases by cycle extremes, not intra-cycle moves. • Assuming the current cycle must match previous ratios: Each cycle exists in a unique macro context. The 74/26 ratio is a central tendency, not a law. • Comparing Cycle 1 directly to later cycles: The pre-2013 market was structurally different (minimal liquidity, no real exchanges). Phase comparisons are most reliable from Cycle 2 onward. • Using the dashboard for price targets: It measures time, not price. A full-duration bull phase tells you nothing about how high the price will go.

Programmatic access

REST API

curl -sS \
  'https://api.trinityinsights.io/api/v1/cycle-intelligence/cycle-duration-dashboard/history?days=90' \
  -H 'X-API-Key: $TRINITY_API_KEY'

MCP server

{
  "tool": "get_chart_value",
  "metric_id": "cycle-duration-dashboard",
  "timeframe": "1y"
}

Required tier: free. See the pricing grid for the tier list and the MCP documentation for multi-client configuration.

Institutional disclaimer

Trinity Insights is an educational and analytical tool. The metric above does not constitute investment advice. Trinity Insights is not a Crypto-Asset Service Provider (CASP) registered under MiCA Regulation (EU) 2023/1114. See the full disclaimer.