ALLY Dark Pool Activity
ALLY FINL INC
Data as of Oct 26, 2026 · Source: FINRA daily short sale volume (off-exchange)
On Oct 26, 2026, FINRA reported 1.2M ALLY shares in publicly disseminated off-exchange trades (dark pools and other off-exchange venues). 846K of those shares (71.6%) were marked short or short-exempt, above ALLY's 30-day rolling average of 57.4% (z-score 1.12). Over the last 10 FINRA sessions (Oct 13, 2026 – Oct 26, 2026), ALLY's off-exchange short volume ratio ranged from 40.5% to 71.6% and averaged 54.7%; the latest reading is above that 10-session average.
Off-Exchange Volume
1.2M
Short Volume
846K
Short Volume Ratio
71.6%
30-Day Average
57.4%
z-score 1.12
Daily readings — last 10 FINRA sessions
| Date | Off-exchange shares | Short shares | Short ratio |
|---|---|---|---|
| Oct 13, 2026 | 1.5M | 851K | 58.6% |
| Oct 14, 2026 | 1.9M | 892K | 47.4% |
| Oct 15, 2026 | 1.7M | 759K | 44.2% |
| Oct 16, 2026 | 1.2M | 492K | 41.0% |
| Oct 19, 2026 | 2.2M | 908K | 40.5% |
| Oct 20, 2026 | 3.0M | 2.0M | 68.0% |
| Oct 21, 2026 | 1.7M | 1.0M | 61.0% |
| Oct 22, 2026 | 1.1M | 605K | 54.1% |
| Oct 23, 2026 | 1.1M | 667K | 61.0% |
| Oct 26, 2026 Latest | 1.2M | 846K | 71.6% |
Source: FINRA daily short sale volume (off-exchange). Ratio = ShortVolume ÷ TotalVolume for the day.
ALLY dark pool FAQ
- How much ALLY off-exchange volume did FINRA report on Oct 26, 2026?
- FINRA's daily short sale volume file reported 1.2M ALLY shares in publicly disseminated off-exchange trades on Oct 26, 2026; 846K of those shares (71.6%) were marked short or short-exempt.
- Is ALLY's dark pool short volume ratio unusual right now?
- As of Oct 26, 2026, ALLY's short volume ratio of 71.6% is above ALLY's 30-day rolling average of 57.4% (z-score 1.12). 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.