· Analytic
Z4469 CFTC Corn Money Manager Net Positioning (Z-Score)
CFTC Disaggregated COT Money Manager net position for CORN, z-scored on 780-day rolling window. Captures the net directional position of hedge funds + CTAs in corn futures. The LOCKED corn portfolio wires this signal at polarity sign MINUS ONE (contrarian) to extract mean-reversion edge from crowded-position extremes.
Current reading
+0.495
Moderate Pos
DAILY · SIGNAL
As of Oct 30, 2026. Updated nightly.
Current composite
+0.7491
On the plus-or-minus one scale; MM net positioning crowded long
Signal state
Moderate POS
78 consecutive days in episode
All-time percentile
87.1th
Upper-decile of 36 years
extreme-neg corn fwd 60d
+2.17%
2,040 days (22.7%), HAC t +2.53 sig at 5% , short-squeeze setup
moderate-pos corn fwd 60d
-3.18%
426 days (4.7%), HAC t -2.85 sig at 1% , crowded-long reversal
LOCKED portfolio weight
7.7%
Positioning-contrarian-1 sleeve, polarity -1
OBJECTIVE
The CFTC Disaggregated Commitment of Traders report, published every Tuesday for the prior Tuesday’s positions, breaks down futures open interest into four trader categories: Producer/Merchant, Swap Dealer, Money Manager (hedge funds + CTAs + commodity pool operators), and Other Reportables. For corn, the Money Manager net position is the single most-watched positioning metric among discretionary agricultural fund managers. Extreme crowded-long positioning historically signals that the trade is "fully priced in" and prone to reversal; extreme crowded-short positioning signals short-squeeze setup potential. This signal queries the DCOT weekly Money Manager net column for the CORN market, forward-fills daily, and z-scores on a 780-trading-day (approximately 3-year) rolling window. The LOCKED corn portfolio v1_1 wires this signal at polarity sign MINUS ONE in the "positioning-contrarian-1" sleeve , explicit contrarian treatment that treats crowded-long readings as bearish-corn and crowded-short readings as bullish-corn. The empirical pattern across 36 years validates the contrarian wiring. extreme-neg state (val below minus 0.5, MM crowded short) delivers mean corn fwd 60d of plus 2.17 percent (HAC Newey-West t plus 2.53, significant at 5 percent, 2,040 state-days) , the short-squeeze bull signature. moderate-pos state (val between plus 0.2 and plus 0.5, moderately crowded long) delivers minus 3.18 percent (HAC t minus 2.85, significant at 1 percent, 426 state-days) , the crowded-long reversal signature. NORMAL state delivers minus 2.01 percent (HAC t minus 4.01, significant at 1 percent). The signal reads +0.495 as of October 23 2026 in extreme-pos territory for 78 consecutive trading days at the 87.1 percentile. The reading reflects Money Manager net positioning at elevated-long levels. Historical extreme-pos delivers plus 1.33 percent (HAC t plus 1.27, not sig) , the extreme-crowded-long tail delivers near-baseline returns because the fully-priced-in dynamic has resolved into technical consolidation rather than sharp reversal. The signal contributes 7.7 percent weight to the LOCKED corn portfolio v1_1 "positioning-contrarian-1" sleeve with polarity sign MINUS ONE.
LIVE CHART
Thirty-six years of CFTC Corn Money Manager net positioning z-score.
COMPOSITE
0.7 / 100
STATE
Extreme Pos
PHASE
+1
FWD 60d
+2.21% (baseline +2.31%)
SAMPLE N
9,039 days
TODAY’S PLAYBOOK READING
STATE
Moderate Pos
WHAT THE CHART SHOWS
The composite sits at +0.49, right at the Money Managers Long threshold. The 252-day rolling IC vs CBOT corn fwd 60d is -0.599 at p=4.2e-20 (deeply significant NEGATIVE), which is the classic contrarian ‘crowded trade’ signature: money managers piling long pre-stages corn weakness over 60d. CBOT front-month corn (orange, right axis) sits near $4.48/bu.
TOP INPUTS FIRING
- Primary composite +0.49 Right at the Money Managers Long threshold. Moderately crowded speculator long positioning.
- CFTC Disaggregated COT money manager category The speculator / trend-follower category: hedge funds and CTA programs trading futures. Historically CONTRARIAN against corn forward returns at positioning extremes.
- Rolling 252d IC vs CBOT corn fwd 60d: -0.599, p=4.2e-20 (CONTRARIAN) Deeply significant NEGATIVE IC. The contrarian interpretation is firm: current moderately-long positioning pre-stages corn weakness over 60d.
THE TAKEAWAY
What this means for you today
THE CFTC DCOT MONEY MANAGER CHANNEL
CFTC Disaggregated COT reports break down corn futures open interest into trader categories. Money Managers (hedge funds + CTAs + commodity pool operators) are the discretionary speculator category. Their net directional position is one of the most-watched positioning metrics in agricultural markets. Weekly data is Tuesday-for-Tuesday with approximately 3-day publication lag. The signal captures the DCOT MM net position directly.
THE CONTRARIAN WIRING IN LOCKED PORTFOLIO
The LOCKED corn portfolio wires this signal at polarity sign MINUS ONE in the "positioning-contrarian-1" sleeve. This is explicit contrarian treatment: when MM net is crowded long (positive signal), the LOCKED portfolio treats this as BEARISH corn (minus 1 × positive = negative composite contribution). When MM net is crowded short (negative signal), the LOCKED portfolio treats this as BULLISH corn (minus 1 × negative = positive composite contribution). The historical extreme-neg state (MM crowded short) delivers plus 2.17 percent corn fwd 60d (HAC t plus 2.53 sig at 5 percent), validating the short-squeeze thesis.
THE HONEST CAVEAT
The empirical state ladder is ASYMMETRIC. Only the extreme-neg tail delivers strongly directional short-squeeze bull returns (plus 2.17 percent sig at 5 percent). The extreme-pos tail delivers near-baseline (plus 1.33 percent not sig) , the contrarian thesis does NOT work on the crowded-long side as cleanly as it works on the crowded-short side. The ladder shows moderate-pos at +0.495 percent (sig at 1 percent) as the sharpest bear tail, suggesting the contrarian pattern operates in the MID-RANGE of long-crowding rather than at the EXTREME. CFTC data has approximately 3-day publication lag; the engine does not explicitly apply the lag , a minor residual look-ahead per persona code review 2026-10-25 (the audit flagged this as LOW severity, not blocking).
THE REGIME MAP
The three CFTC money manager positioning regime states, forward returns and sample share
Behavior across the CFTC Disaggregated money manager (speculator) net position z-score signal for corn (3-year rolling z). Money managers are trend-following speculators; their aggregate positioning historically reads CONTRARIAN against corn forward returns. A deep-long money-manager reading predicts corn DOWN over 60d (crowded-long reversal); a deep-short reading predicts corn UP (crowded-short covering).
| State | Phase | Share | Fwd 60d | HAC t | Edge vs baseline | Last firings |
|---|---|---|---|---|---|---|
| Money Managers Short | – | 26.4% (2389 d) | -0.51% | -0.80pp | Sep 2025, May 2025, Feb 2023 | |
| Money Managers Neutral | 0 | 51.6% (4671 d) | -1.21% | -1.50pp | Jun 2026, Dec 2025, Dec 2025 | |
| Money Managers Long TODAY | + | 21.9% (1984 d) | -0.54% | -0.83pp | Jul 2026, Feb 2026, Dec 2025 |
The historical pattern
Methodology
THE TRACK RECORD
State changes
| State | Start | End | Duration | Fwd 60d SPY |
|---|---|---|---|---|
| Extreme Pos | 10/23/2024 | 11/04/2024 | 9d | +4.92% |
| Normal | 11/05/2024 | 11/18/2024 | 10d | +4.35% |
| Extreme Neg | 11/19/2024 | 11/25/2024 | 5d | +3.83% |
| Normal | 11/26/2024 | 12/09/2024 | 9d | -1.02% |
| Extreme Neg | 12/10/2024 | 03/24/2025 | 71d | -7.78% |
| Normal | 03/25/2025 | 03/31/2025 | 5d | +3.27% |
| Extreme Neg | 04/01/2025 | 05/05/2025 | 24d | +9.62% |
| Normal | 05/06/2025 | 05/12/2025 | 5d | +11.26% |
| Extreme Pos | 05/13/2025 | 09/15/2025 | 86d | +8.58% |
| Normal | 09/16/2025 | 09/22/2025 | 5d | +4.18% |
| Extreme Pos | 09/23/2025 | 10/27/2025 | 25d | +1.23% |
| Normal | 10/28/2025 | 11/17/2025 | 15d | +0.83% |
| Extreme Neg | 11/18/2025 | 11/24/2025 | 5d | +3.45% |
| Normal | 11/25/2025 | 12/01/2025 | 4d | +1.83% |
| Extreme Neg | 12/02/2025 | 12/15/2025 | 10d | +0.71% |
| Normal | 12/16/2025 | 12/22/2025 | 5d | -1.45% |
| Extreme Neg | 12/23/2025 | 12/29/2025 | 4d | -4.74% |
| Normal | 12/30/2025 | 02/23/2026 | 37d | -7.70% |
| Extreme Neg | 02/24/2026 | 06/15/2026 | 78d | +7.84% |
| Normal | 06/16/2026 | 07/13/2026 | 18d | +1.86% |
| Extreme Neg | 07/14/2026 | 10/23/2026 | 73d | +3.38% |
Scroll inside the table for the full history. Forward 60-day SPY is measured from each run’s start date; a reader cannot trade off a start-date they only identify in hindsight, so this is a transparency log, not an alpha claim. Asterisked (*) returns are partial. The run is less than 60 trading days old. The full 60-day comparable fills in as more data arrives.
What this measures
The engine queries `symbol_data.cftc-dcot-weekly` for `market_name=’CORN’`, filters to rows where `prod_merc_long IS NOT NULL` (data-quality gate), reads the `m_money_net` column (Money Manager net position in contracts). Forward-fills daily. Z-scores on 780-day rolling window with 130-day minimum. Clips plus-or-minus 3. Tanh-bounds. Five-state machine on the final RL_Feature_Value.
GO DEEPER
Want the full depth?
The full research brief adds methodology detail on the CFTC Disaggregated COT structure, how money manager positioning differs from commercial (hedger) and swap dealer categories, and why the contrarian interpretation applies to speculator flow while the direct interpretation applies to commercial flow. Includes four historical case studies anchored to actual crowded-long and crowded-short extremes, the three-regime state-conditional table, and the methodology for pairing with the sibling Commercials signal, Ending Stocks, Silking Pace, and the Corn Cycle DNA playbook.
Taxonomy, polarity, state labels
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 02, 2026 11:53 AM ET