VST· Vistra Corp.

Dark pool · off-exchange short volume

as of 2026-11-05

VST's off-exchange short-volume ratio was 18.0% on 5 Nov 2026, below its 20-day average of 41.0%. Off-exchange trading was 44% of volume over the last 20 sessions. 15 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 4 Nov 2026.

Short ratio (latest)

18.0%

20-day average

41.0%

Off-exchange share (20d)

44%

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

137.13

6.68B

134.72

3.75B

132.32

2.60B

129.91

2.93B

127.51

3.73B

125.10

3.94B

122.70

3.49B

120.29

3.07B

117.88

3.04B

115.48

2.62B

113.07

2.43B

110.67

1.76B

108.26

1.33B

105.86

1.02B

103.45

1.08B

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.