· Analytic
Z4729 LC Cow Slaughter YoY Signal
USDA NASS cow slaughter (excl milk) year-over-year, inverted and z-scored on two years — the Grade B herd-liquidation signal on CME Live Cattle.
At a glance
Current reading
-0.764
High Cow Slaughter EXTREME NEG firing
Signal state
Extreme NEG
phase -1, cow slaughter above 2-year baseline
Sample
Monthly USDA NASS, 36-year span
Cow slaughter (excl milk) YoY, 1990+
Historical IC
-0.122 (p < 1e-31)
Spearman vs LC fwd60d, strongly significant daily
Baseline LC fwd60d
+1.02%
Unconditional mean
High Cow Slaughter fwd60d
+1.96% mean
+0.94 pp above baseline, 65% hit rate
As of Oct 30, 2026. Updated nightly.
OBJECTIVE
USDA NASS tracks monthly cow slaughter (excluding dairy cows) as a specific subset of cattle slaughter. Cow slaughter captures the removal of BREEDING-HERD females from the production pipeline — a distinct dynamic from steer slaughter (which is finished feedlot cattle at target weight). High cow slaughter reflects active liquidation of the breeding base; low cow slaughter reflects herd retention or rebuild. This signal reads NASS cow slaughter YoY, SIGN-FLIPS so low cow slaughter reads positive composite (engine thesis: no liquidation = tight future supply = bullish-LC), z-scores on a 504-day rolling window with 60-day minimum sample, and bounds with tanh. State thresholds at plus or minus 0.2 (moderate) and plus or minus 0.5 (extreme). Monthly USDA release. But here is the memorable finding: the empirical pattern INVERTS the engine thesis. High Cow Slaughter (negative composite after sign-flip) historically delivers BULLISH forward LC returns — the near-term pressure from cow removal has already pushed cash prices lower and the 60-day forward captures the inflection toward recovery. Low Cow Slaughter (positive composite) delivers modestly BEARISH forward returns. The empirical dominates. Daily Spearman IC against LC fwd60d is minus 0.122 at p-value less than 1e-31 across 9,049 observations — strongly significant daily. Non-overlapping IC is minus 0.050 at p-value 0.54 — not significant. Phase +1 (Low Cow Slaughter) delivers -0.69% fwd60d (-1.71 pp edge, hit 50%). Phase -1 (High Cow Slaughter) delivers +1.96% fwd60d (+0.94 pp edge, hit 65%). Phase 0 delivers +1.29%. 2.65 pp directional spread. Grade B herd-liquidation signal. Current reading: High Cow Slaughter EXTREME NEG firing at composite -0.764. Cow slaughter is running well above 2-year baseline — active breeding-herd liquidation underway. Empirically BULLISH forward 60d via the near-term pressure already in cash + inflection recovery mechanism. Read on for the anchors and how to pair with the LC fundamental stack.
LIVE CHART
LC Cow Slaughter YoY Signal
Composite reads -0.764 as of October 30, 2026, deeply in the High Cow Slaughter EXTREME NEG band. NASS monthly cow slaughter is above the 2-year baseline — active breeding-herd liquidation. CME Live Cattle (orange) has traded in the \$220-230 range.
COMPOSITE
-0.764 / tanh
STATE
High Cow Slaughter
PHASE
-1
FWD 60d
+1.96% (baseline +1.02%)
SAMPLE N
9,049 days
STATE-CONDITIONAL EDGE
Forward 60-day returns by state
FORWARD 60-DAY RETURNS BY STATE
Mean forward-60-day benchmark return per composite state. Baseline (horizontal line) is the unconditional sample mean. Bars above the line are the constructive bands; bars below are the bearish bands.
TODAY’S PLAYBOOK READING
STATE
Extreme Neg
STATE AND HISTORY
High Cow Slaughter EXTREME NEG firing, 60 days running. Phase -1 historically delivers mean fwd60d LC +1.96%, hit 65%, +0.94 pp above baseline. Phase +1 (Low Cow Slaughter) delivers -0.69% / 50% hit / -1.71 pp below baseline.
THE LIQUIDATION MECHANISM
High cow slaughter = active breeding-herd liquidation = near-term pressure already in cash + inflection recovery ahead = bullish 60d forward LC. Low cow slaughter = retention/rebuild = modestly bearish via continued steady-state supply.
HOW TO POSITION
Pair with LC-corn ratio, FC-LC spread, cattle inventory, slaughter YoY, steer-slaughter mix. Cow slaughter is a focused herd-dynamics signal distinct from steer-focused slaughter signals.
WHAT THE CHART SHOWS
The composite sits at -0.764 deeply in the High Cow Slaughter EXTREME NEG band. The blue signal line has saturated below -0.75 as NASS monthly cow slaughter runs well above the 2-year baseline. CME Live Cattle (orange) has traded in the \$220-230 range.
TOP INPUTS FIRING
- Primary composite -0.764 State High Cow Slaughter EXTREME NEG firing, 60 days running.
- NASS cow slaughter above baseline Monthly cow slaughter is running well above the 2-year baseline — active breeding-herd liquidation.
- State-conditional edge: +0.94 pp mean High Cow Slaughter historical fwd60d LC mean +1.96%, baseline +1.02%, hit 65%. Current firing deeply in EXTREME NEG sub-band — empirically bullish via inflection recovery mechanism.
THE TAKEAWAY
What this means for you today
THE COW SLAUGHTER CALL
Composite -0.764, High Cow Slaughter EXTREME NEG firing. NASS monthly cow slaughter is running well above 2-year baseline — active breeding-herd liquidation.
THE EMPIRICAL CONTEXT
High Cow Slaughter historically delivers mean fwd60d LC +1.96% (+0.94 pp vs baseline, hit 65%). Current firing is deeply in EXTREME NEG sub-band.
THE HONEST CAVEAT
Daily IC -0.122 strongly significant; non-overlap independence test not significant. The empirical polarity INVERTS the engine thesis; the empirical dominates. Grade B.
THE REGIME MAP
The three states, forward returns and sample share
Computed from 9,049 trading days with observable LC fwd60d. Baseline LC fwd60d (unconditional): plus 1.02 percent mean. Grade B directional herd-liquidation signal with empirical polarity inverting engine thesis.
| State | Phase | Share | Fwd 60d | HAC t | Edge vs baseline | Last firings |
|---|---|---|---|---|---|---|
| Low Cow Slaughter | +1 | 25.0% (2260 d) | -0.32% | -1.34pp | Jun 2026, Dec 2025, Oct 2022 | |
| Normal | 0 | 41.5% (3759 d) | +3.17% | +2.15pp | Apr 2026, Dec 2025, Mar 2025 | |
| High Cow Slaughter TODAY | -1 | 33.5% (3030 d) | +2.39% | +1.37pp | Oct 2026, Jan 2026, Apr 2025 |
The historical pattern
Signature episodes in the 36-year sample
What this measures
The signal pulls USDA NASS monthly cow slaughter series (excluding dairy cows), computes year-over-year percent change, SIGN-FLIPS so low cow slaughter reads positive composite, z-scores on a 504-day rolling window with 60-day minimum sample, and bounds with tanh. State thresholds plus or minus 0.2 (moderate) and plus or minus 0.5 (extreme). Monthly USDA release.
Why it matters
Why cow slaughter YoY reads herd dynamics
USDA NASS tracks monthly cow slaughter (excluding dairy cows) as a specific subset of cattle slaughter. Cow slaughter captures the removal of BREEDING-HERD females from the production pipeline — a distinct dynamic from steer slaughter (which is finished feedlot cattle at target weight). High cow slaughter reflects active liquidation of the breeding base. Low cow slaughter reflects herd retention or rebuild. The signal captures the structural herd-phase dynamics via the cow-removal rate.
Why Grade B with inverted empirical pattern
Daily Spearman IC against LC fwd60d is -0.122 at p-value < 1e-31 across 9,049 observations -- strongly significant daily. Non-overlapping independence test at p-value 0.54 -- not significant. Phase -1 (High Cow Slaughter) delivers +0.94 pp above baseline, Phase +1 (Low Cow Slaughter) delivers -1.71 pp below baseline. 2.65 pp directional spread. The empirical polarity INVERTS the engine composite_direction thesis; the empirical dominates. Grade B herd-liquidation signal.
How to use this signal today
Pair with LC-corn ratio (feedlot-margin primary driver), FC-LC spread (replacement-cost), cattle inventory (structural supply), slaughter YoY (volume), steer-share mix (herd phase). Cow slaughter is a focused herd-dynamics signal that captures breeding-herd liquidation rate specifically.
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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 01, 2026 01:45 PM ET