PSX· Phillips 66

Dark pool · off-exchange short volume

Dark pool as of 2026-11-04 · latest session 2026-11-05

PSX's off-exchange short-volume ratio was 50.3% on 4 Nov 2026, below its 20-day average of 61.0%. Off-exchange trading was 37% of volume over the last 20 sessions. 22 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 2 Nov 2026.

Short ratio (latest)

50.3%

20-day average

61.0%

Off-exchange share (20d)

37%

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

299.13

0.10B

293.70

0.85B

288.26

1.08B

282.82

1.15B

277.38

1.40B

271.94

1.29B

266.50

0.92B

261.06

2.33B

255.62

1.72B

250.18

1.05B

244.75

0.96B

239.31

1.11B

233.87

0.41B

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.