VST· Vistra Corp.
Dark pool · off-exchange short volume
Short ratio (latest)
35.0%
20-day average
43.6%
Off-exchange share (20d)
39%
Darkpool density
big day, short ratio above trendbelow trendbubble size = how unusual ($vol z-score)
Last ~6 months. Bubbles mark days of unusually large off-exchange dollar volume (≥1.5σ vs the trailing 60 days). Daily resolution — not print-level data.
Darkpool levels ±15% of spot, since 2018-10-01
190.08
5.91B
186.75
4.71B
183.41
3.11B
180.08
2.31B
176.74
3.33B
173.41
6.94B
170.07
9.11B
166.74
10.6B
163.41
12.1B
160.07
12.6B
156.74
10.3B
153.40
7.88B
150.07
5.57B
146.73
4.87B
143.40
5.00B
Historical off-exchange $ volume at price: each day's volume spread across that day's range, summed over the full FINRA history. Heavy shelves often act as support/resistance magnets. Amber row = spot's bin.
Off-exchange short-volume ratio
short ratio (20d, right) daily off-exchange share (left)
FINRA daily TRF data, last 2 years. A persistently HIGH short ratio is mostly passive market-maker liquidity provision (commonly read as accumulation pressure) — not naively bearish.