The Unlikely Hit: GameStop, January 2021
A retail short squeeze drove VIX from 23 to 37 in a single session, above the level the system treats as crisis-grade. The Market Risk Classifier classified CRISIS, and by the scoring rules it is a hit, even though the cause had nothing to do with the macro economy. It is a useful look at exactly what the CRISIS classification claims, and what it does not.
SPX + VIX vs. MRC Risk States
What happened, day by day
VIX ranged between 21 and 27. The S&P 500 climbed steadily from 3,700 to 3,855. The Market Risk Classifier classified STABLE every day.
The system classified SHIFTING. VIX closed at 23.02, unchanged from the prior session.
The system classified CRISIS. VIX spiked from 23.02 to 37.21 in a single session, driven by the GameStop short squeeze. The S&P 500 fell 2.6% to 3,750. VIX closed at 37.21, above the 35 level the scorer treats as crisis-grade. That clears the hit criterion: the call is scored a hit on the day it was made.
The system held CRISIS for seven trading days as VIX unwound from 37 to 21 and the S&P 500 recovered from 3,714 to 3,871. By February 4, VIX was back at pre-crisis levels. The spike was real and brief.
The system transitioned to SHIFTING as conditions normalized. The S&P 500 continued higher, closing at 3,934 on February 12, above the pre-crisis peak.
Why this is a hit, not a miss
A CRISIS classification is scored a hit if, within the 10 business days starting from the call and including the call day, VIX reaches 35, or the S&P 500 falls 3% over 5 sessions, 6% over 10, or 10% over 20. On January 27, VIX closed at 37.21, at or above 35. The criterion was met on the classification day itself. By the rules, it is a hit.
What makes GameStop interesting is not whether it counts; it is that the spike reversed almost immediately. VIX peaked the day the system caught it and was back near 20 within two weeks, while the S&P 500 climbed to new highs. The system flagged a genuine VIX-35 event, but the cause was a retail-driven short squeeze, not a broad systemic shock.
This is the line that separates a hit from a miss. GameStop cleared the 35 threshold, so it is a hit. The system's one false positive, August 2019, looked similar (a sharp VIX jump on news) but topped out at 24.6 and never reached the threshold. The threshold is the line. GameStop is on the hit side of it.
What this tells you about the system
The classification reads the volatility regime, not the cause
GameStop was not a macroeconomic shock. It was a retail-driven short squeeze. The system classified CRISIS anyway, because VIX behavior met the threshold. The CRISIS shape is a statement about market conditions, not a diagnosis of why they got there. That is a feature: the system does not need to know the cause to flag the regime.
A hit is not a promise of a crash
VIX reached 37 and then faded; the S&P 500 went on to new highs. The CRISIS call was correct by its own definition (crisis-grade volatility did occur) without forecasting a sustained drawdown. The system classifies a state; it does not predict how long the state lasts. GameStop is the clean illustration of that distinction.
The real miss is documented separately
The crisis record is 12 of 13. GameStop is one of the 12 hits. The single false positive is August 2019, when the system called CRISIS and the stress never reached crisis magnitude. We document it in full on its own page, because a system that hides its misses cannot be trusted with its hits.
Every risk state, every episode, every hit and miss, with the scoring methodology.