GPI Dark Pool Activity
Group 1 Automotive Inc
Data as of Oct 23, 2026 · Source: FINRA daily short sale volume (off-exchange)
On Oct 23, 2026, FINRA reported 87K GPI shares in publicly disseminated off-exchange trades (dark pools and other off-exchange venues). 62K of those shares (71.9%) were marked short or short-exempt, above GPI's 30-day rolling average of 65.7% (z-score 0.66). Over the last 10 FINRA sessions (Oct 12, 2026 – Oct 23, 2026), GPI's off-exchange short volume ratio ranged from 49.9% to 73.5% and averaged 62.5%; the latest reading is above that 10-session average.
Off-Exchange Volume
87K
Short Volume
62K
Short Volume Ratio
71.9%
30-Day Average
65.7%
z-score 0.66
Daily readings — last 10 FINRA sessions
| Date | Off-exchange shares | Short shares | Short ratio |
|---|---|---|---|
| Oct 12, 2026 | 62K | 36K | 57.5% |
| Oct 13, 2026 | 54K | 31K | 57.7% |
| Oct 14, 2026 | 87K | 43K | 49.9% |
| Oct 15, 2026 | 66K | 38K | 58.1% |
| Oct 16, 2026 | 49K | 35K | 71.7% |
| Oct 19, 2026 | 53K | 39K | 73.5% |
| Oct 20, 2026 | 44K | 27K | 61.9% |
| Oct 21, 2026 | 70K | 47K | 67.5% |
| Oct 22, 2026 | 115K | 64K | 55.7% |
| Oct 23, 2026 Latest | 87K | 62K | 71.9% |
Source: FINRA daily short sale volume (off-exchange). Ratio = ShortVolume ÷ TotalVolume for the day.
GPI dark pool FAQ
- How much GPI off-exchange volume did FINRA report on Oct 23, 2026?
- FINRA's daily short sale volume file reported 87K GPI shares in publicly disseminated off-exchange trades on Oct 23, 2026; 62K of those shares (71.9%) were marked short or short-exempt.
- Is GPI's dark pool short volume ratio unusual right now?
- As of Oct 23, 2026, GPI's short volume ratio of 71.9% is above GPI's 30-day rolling average of 65.7% (z-score 0.66). Meridian's dark pool model does not flag this reading as an anomaly.
- What does the dark pool short volume ratio measure?
- FINRA publishes daily short sale volume for trades reported off-exchange to its trade reporting facilities, which include dark pools and other off-exchange venues. The ratio divides FINRA's ShortVolume figure, which counts both short and short-exempt sales, by the total off-exchange shares reported for that day. It is not short interest and not a directional signal: market-maker hedging and reporting mechanics can raise it, so it is context for other signals.