SNPS Dark Pool — Off-Exchange & Short Volume

Market/Dark Pool/SNPS

SNPS· Synopsys

Dark pool · off-exchange short volume

Open interest GEX Full dossier

Short ratio (latest)

41.3%

20-day average

40.1%

Off-exchange share (20d)

38%

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

453.01

10.8B

445.07

10.8B

437.12

10.7B

429.17

9.43B

421.22

8.77B

413.28

7.07B

405.33

5.74B

397.38

6.40B

389.43

4.95B

381.48

4.36B

373.54

4.10B

365.59

3.05B

357.64

2.23B

349.69

1.60B

341.75

1.66B

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.