ATO Dark Pool — Off-Exchange & Short Volume

Market/Dark Pool/ATO

ATO· Atmos Energy

Dark pool · off-exchange short volume

Open interest GEX Full dossier

Short ratio (latest)

64.6%

20-day average

45.4%

Off-exchange share (20d)

32%

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

186.04

1.16B

182.77

1.06B

179.51

1.27B

176.25

2.27B

172.98

2.33B

169.72

3.02B

166.45

3.18B

163.19

1.70B

159.93

0.72B

156.66

0.68B

153.40

1.35B

150.13

1.61B

146.87

0.92B

143.61

0.79B

140.34

0.71B

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.