KC SPECIALIST · Softs / Structural Substitution
Z102534 – [KC] HS2101 Extracts RTD Substitution Signal
US ready-to-drink and extracts import growth outpacing green coffee import growth signals a structural share gain for Robusta blends and drives Arabica forward 60-day returns via the structural substitution channel.
At a glance
IN-SEASON · ACTIVE
Current reading
+0.081
SEASONAL STATE
IN-SEASON · ACTIVE
US Census FT900 monthly release drives signal refresh.
Signal state
On Trend
75 days in Neutral phase
Updated
Nov 04, 2026
US Census FT900 release
Sample
36-year window
Monthly cadence; 1990 onward
As of Nov 04, 2026. Updated nightly.
SIGNAL OVERVIEW
Ready-to-drink and instant coffee product categories use predominantly Robusta rather than Arabica because the extraction process tolerates Robusta harsher flavor profile and the price advantage of Robusta matters more in commoditized product. When US imports of HS 2101 (coffee extracts, essences, and concentrates) grow faster year-over-year than HS 0901 (green coffee), the US consumption mix is shifting structurally toward Robusta-based formats. This structural substitution reduces Arabica demand pressure over 60-day horizons. The signal reads US HS 2101 extracts imports YoY minus HS 0901 green coffee imports YoY, z-scores on a 504-day window, inverts (extracts outpacing green reads positive composite), and tanh-bounds. Daily Spearman IC against Arabica forward 60-day returns is minus 0.027 at p-value 0.011 across 8,947 observations, significant but modest. Phase plus 1 firings deliver minus 3.05 pp below the plus 2.32 percent baseline. Phase minus 1 firings deliver plus 1.88 pp. 4.93 pp directional spread.
LIVE CHART
KC HS2101 Extracts RTD Substitution Signal
What the chart is showing right now. The dark line is US HS 2101 extracts imports year-over-year minus US HS 0901 green coffee imports year-over-year, z-scored on a 504-day rolling window, inverted, tanh-bounded. Positive composite means extracts are outpacing green coffee imports consistent with structural Robusta share gain; negative composite means the reverse. The bronze line in the middle panel is ICE US Coffee C first-nearby. The bottom panel tracks the trailing 252-day Spearman information coefficient between the composite and Arabica forward 60-day returns.
COMPOSITE
+0.081 / tanh
STATE
On Trend
PHASE
+0.05
PHASE +1 EDGE
-3.05 pp
PHASE -1 EDGE
+1.88 pp
TODAY’S PLAYBOOK READING
STATE
NEUTRAL
STATE AND HISTORY
On Trend firing at composite +0.081, 75 trading days running in Neutral phase. Phase +1 (Robusta Share Gain) delivers minus 0.73 percent fwd60d / minus 3.05 pp below plus 2.32 percent baseline. Phase -1 (Arabica Share Gain) delivers plus 4.20 percent / plus 1.88 pp above baseline. Daily Spearman IC minus 0.027 at p-value 0.011 significant but modest.
THE STRUCTURAL SUBSTITUTION MECHANISM
Ready-to-drink and instant coffee product categories use predominantly Robusta rather than Arabica because the extraction process tolerates Robusta harsher flavor and the price advantage of Robusta matters more in commoditized product. When US HS 2101 extracts imports grow faster than HS 0901 green coffee imports, the US consumption mix is shifting structurally toward Robusta-based formats.
HOW TO POSITION
Structural substitution overlay for Arabica. Robusta Share Gain firings flag bearish regimes where the product-mix drift reduces Arabica demand pressure over 60-day horizons. Arabica Share Gain firings flag bullish regimes where premium-format demand rotates back. Pair with the LRC US Vietnam demand-pull, CFTC positioning, and ICO ICIP benchmark.
WHAT THE CHART SHOWS
The composite sits at +0.081 in the On Trend band. US HS 2101 extracts imports have run near the 504-day z-score mean versus HS 0901 green coffee imports through 2026 consistent with neutral structural substitution regime.
TOP INPUTS FIRING
- Primary composite +0.081 State On Trend, 75 days running in Neutral phase.
- HS 2101 extracts near HS 0901 green 504-day norm Raw z-score +0.05; US imports of HS 2101 extracts have grown near the 504-day rolling norm versus HS 0901 green coffee imports through 2026.
- Daily IC significant but modest, non-overlap not independent Daily Spearman IC minus 0.027 at p-value 0.011 significant on full distribution. Non-overlap IC minus 0.035 at p-value 0.67 not independently significant on 150 samples.
THE TAKEAWAY
What this means for you today
THE STRUCTURAL CALL
Composite +0.081, On Trend. US HS 2101 extracts imports have run near the 504-day z-score mean versus HS 0901 green coffee imports through 2026 consistent with neutral structural substitution regime. Signal firing in On Trend bucket for 75 days; neither extreme directional edge applies at the moment.
THE EMPIRICAL CONTEXT
Daily IC minus 0.027 at p-value 0.011 statistically significant on 36-year sample but modest in magnitude. Phase +1 (Robusta Share Gain) delivers minus 3.05 pp below baseline; Phase -1 (Arabica Share Gain) delivers plus 1.88 pp. 4.93 pp directional spread with clean monotone phase pattern.
THE HONEST CAVEAT
Non-overlap IC at 60-day sampling minus 0.035 at p-value 0.67 not independently significant on 150 samples. The signal captures structural product-mix drift which is a slow-moving decadal-scale process overlaid on short-term import volatility. Treat as directional structural overlay not a short-horizon trigger.
THE REGIME MAP
The three phases, forward returns and sample share
Computed from 8,947 post-warmup trading days (1990 onward). Baseline Arabica fwd60d mean plus 2.32 percent. Phase +1 (Robusta Share Gain) delivers -3.05 pp edge; Phase -1 (Arabica Share Gain) delivers +1.88 pp. 4.93 pp directional spread with daily IC minus 0.027 significant but modest.
| State | Phase | Share | Fwd 60d | HAC t | Edge vs baseline | Last firings |
|---|---|---|---|---|---|---|
| Robusta Share Gain | +1 | 12.2% (1092 d) | -0.73% | -3.05pp | 2018-19, 2013-14 | |
| On Trend TODAY | 0 | 68.5% (6127 d) | +2.71% | +0.39pp | 2026 (current) | |
| Arabica Share Gain | -1 | 7.4% (659 d) | +4.20% | +1.88pp | 2021-22, 2016 |
The historical pattern
Signature episodes in the 36-year sample
What this measures
Z-score of US HS 2101 extracts imports year-over-year minus US HS 0901 green coffee imports year-over-year, computed on a 504-day rolling window, inverted, tanh-bounded. Positive composite equals extracts outpacing green coffee (structural Robusta share gain); the empirical pattern shows Phase +1 firings precede KC weakness. Target ICE US Coffee C first-nearby back- adjusted close.
Why it matters
Why structural product-mix substitution matters
Ready-to-drink and instant coffee product categories use predominantly Robusta rather than Arabica because the extraction process tolerates Robusta harsher flavor profile and the price advantage of Robusta matters more in commoditized product. Growth in US HS 2101 extracts imports outpacing HS 0901 green coffee imports signals a structural share gain for Robusta-based formats and structurally reduces Arabica demand pressure. The signal captures a slow-moving decadal process that overlays short-term import volatility.
How to use this signal today
Structural substitution overlay for Arabica positioning. Robusta Share Gain firings flag bearish regimes where the product-mix drift reduces Arabica demand pressure over 60-day horizons; Arabica Share Gain firings flag bullish regimes where premium-format demand rotates back. Pair with the LRC US Vietnam demand-pull signal, CFTC positioning, and the ICO ICIP global benchmark for stacked structural-plus-cyclical conviction.
Risk overlay
Daily IC significant but modest at minus 0.027; non-overlap test minus 0.035 at p-value 0.67 not independently significant on 150 samples. Signal captures structural product-mix drift which is a slow-moving decadal-scale process overlaid on short-term import volatility. Treat as directional structural overlay not a short-horizon trigger. Extreme-bucket shares are small (12.2 and 7.4 percent) meaning the signal spends 68.5 percent of the sample in neutral territory.
Signal consumers and siblings
Not investment advice · The analysis on this page is informational and educational. Signal readings, historical case figures, and empirical statistics are derived from publicly available data and are provided without warranty. Hypothetical performance results have inherent limitations, including the benefit of hindsight. Readers who intend to trade should consult a licensed investment professional and see the research brief for the full disclaimer.
Last refreshed Nov 06, 2026 01:40 AM ET