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FTNT· Fortinet
Dark pool · off-exchange short volume
Short ratio (latest)
67.0%
20-day average
57.9%
Off-exchange share (20d)
34%

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

174.80
0.02B
171.68
0.34B
168.56
0.80B
165.43
1.39B
162.31
2.54B
159.19
2.60B
156.07
2.58B
152.95
2.29B
149.83
1.28B
146.71
2.45B
143.58
1.75B
140.46
0.59B
137.34
0.32B
134.22
0.36B

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.

FTNT Dark Pool — Off-Exchange & Short Volume — Tapelab