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Event Risk Brief · 2025-009

AI valuation selloff

November 2025 · Named after coverage by Fortune

Status
Concluded
Concluded
2025-11-28
Inputs through
2025-11-26 close
See today’s live report →
What happened · scored by what the market did next
Stable held

The return to Stable held: no re-escalation within 10 sessions.

The Call

STABLE returned to effect. The system stood down from a ELEVATED episode before the open.

The system returned to STABLE that morning, ending a ELEVATED episode.

WHAT THE SYSTEM DID
STOOD DOWN
the system returning to Stable after a non-Stable episode
LAST 20 SESSIONS · VIX (ORANGE) + S&P 500 (WHITE)
STABLEELEVATED26.416.9VIX6,8526,539S&P10/3011/1211/26
VIX · CBOE VOLATILITY INDEX
17.19
5-SESSION CHANGE -27.3%
S&P 500
6,812.61
5-SESSION CHANGE +2.6%
CONCLUDES WHEN EITHER · 2 CONDITIONS+
(a) Stable holds for 10 sessions with no re-escalation (held).(b) The system re-escalates within 10 sessions (a new episode opens).

Classification uses the prior session close (2025-11-26).

Mindforge · Brief 2025-009 · 2025-11-28

Historical Precedent31 MATCHES SINCE 2012
31 matches since 2012The query +
QUERY: first morning back in STABLE after a non-Stable episode · 3,498 SESSIONS SINCE 2012
MEDIAN PATH · 31 MATCHES · INDEXED TO 100 AT THE MATCHED MORNING
THE MATCHED MORNING · TODAY'S POSITION11787VIX101.797.6S&P20 SESSIONS0+15 SESSIONS

Median forward path of all 31 matched mornings. Historical pattern, not a forecast.

HISTORICAL MARKET CLASSIFICATION OUTCOMES · ALL 31 MATCHES
90%
10%
28 OF 31Stable held. The system did not re-escalate within 10 sessions
3 OF 31The system re-escalated. It left Stable again within 10 trading sessions

History, not a forecast · Mindforge · Brief 2025-009 · 2025-11-28

Free · issued pre-open when conditions warrant

Event Log8 SESSIONS
2025-11-18STABLE
Day
1
VIX
22.38
VIX 5d
+27.2%
S&P 500
6,672.41
SPX 5d
-2.3%
2025-11-19STABLE
Day
2
VIX
24.69
VIX 5d
+42.9%
S&P 500
6,617.32
SPX 5d
-3.3%
2025-11-20ELEVATED
Day
3
VIX
23.66
VIX 5d
+35.1%
S&P 500
6,642.16
SPX 5d
-3.0%
2025-11-21ELEVATED
Day
4
VIX
26.42
VIX 5d
+32.1%
S&P 500
6,538.76
SPX 5d
-2.9%
2025-11-24ELEVATED
Day
5
VIX
23.43
VIX 5d
+18.2%
S&P 500
6,602.99
SPX 5d
-1.9%
2025-11-25ELEVATED
Day
6
VIX
20.52
VIX 5d
-8.3%
S&P 500
6,705.12
SPX 5d
+0.5%
2025-11-26ELEVATED
Day
7
VIX
18.56
VIX 5d
-24.8%
S&P 500
6,765.88
SPX 5d
+2.2%
2025-11-28STABLE
Day
8
VIX
17.19
VIX 5d
-27.3%
S&P 500
6,812.61
SPX 5d
+2.6%
Sector ImplicationsTAP TO EXPAND +

10-DAY FORWARD RETURN VS STABLE PERIODS · STRESS-CLASSIFIED DAYS

CYCLICAL BASKET

+1.9pp

XLE · XLB · XLF · XLI · XLY

DEFENSIVE BASKET

-0.5pp

XLV · XLP · XLU

10-DAY FORWARD RETURN DIFFERENTIAL BY SECTOR (STRESS VS STABLE)

XLEEnergy
+2.9pp
XLFFinancials
+2.7pp
XLBMaterials
+1.7pp
XLKTechnology
+1.7pp
XLIIndustrials
+1.2pp
XLYConsumer Disc.
+0.9pp
XLUUtilities
+0.6pp
XLPStaples
-0.6pp
XLVHealthcare
-1.5pp
Sector returns measured from the classification date forward. Backtest: 2012-2024, 154 stress-classified days. Out-of-sample: 2025-2026, 24 stress-classified days. Historical analysis, not investment advice.
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Outcome definitions, system methodology, and the full classification record

Validation & Methods →

Historical base rates since 2012: history, not a forecast. Past classifications do not guarantee future accuracy. Research use only. Mindforge is not a registered investment adviser. Full terms: mindforge.tech/terms · Methodology: mindforge.tech/validation-and-methods

Research use only. Not investment advice. Past performance ≠ future results. Mindforge is not a registered investment adviser. Full terms · Methods

Event Risk Brief 2025-009 | Mindforge | Mindforge