Volume-abnormality scan — 2/3/5× on daily & weekly

as of 2026-07-20 · universe 501 · analyzed 498 · min avg vol ≥ 50.0K sh/day

daily RVOL = today's volume ÷ 20-session avg · weekly RVOL = this week-to-date ÷ prior weeks at the same day-of-week · 40-day candles over volume (dashed = avg vol, latest bar solid) · green/red = up/down day (accumulation vs distribution)

Daily volume abnormalities · 11

ISRG 3×3.9× · $345.42 -14.1%
SP500
344.55397.16449.77avg 3.0M05-2006-1807-17
daily RVOL 3.9×11.6M vs 3.0Mprice $345.42day -14.1%week-to-date 2.8× (5d in)28.8M vs 10.4M
EME 3×3.1× · $744.16 -0.8%
SP500
717.28798.33879.37avg 485.5K05-2006-1807-17
daily RVOL 3.1×1.5M vs 485.5Kprice $744.16day -0.8%week-to-date 1.6× (5d in)3.1M vs 1.9M
NFLX 2×2.8× · $68.95 -7.3%
SP500
65.0877.7290.37avg 50.4M05-2006-1807-17
daily RVOL 2.8×142.0M vs 50.4Mprice $68.95day -7.3%week-to-date 1.5× (5d in)320.4M vs 210.7M
SNPS 2×2.6× · $384.27 -7.9%
SP500
366.00452.74539.48avg 1.9M05-2006-1807-17
daily RVOL 2.6×5.0M vs 1.9Mprice $384.27day -7.9%week-to-date 1.1× (5d in)10.6M vs 9.5M
CHRW 2×2.4× · $208.50 +1.3%
SP500
172.75190.79208.83avg 1.6M05-2006-1807-17
daily RVOL 2.4×3.8M vs 1.6Mprice $208.50day +1.3%week-to-date 1.3× (5d in)10.7M vs 8.3M
CDNS 2×2.3× · $330.11 -9.5%
SP500
320.07368.38416.69avg 2.3M05-2006-1807-17
daily RVOL 2.3×5.2M vs 2.3Mprice $330.11day -9.5%week-to-date 0.9× (5d in)10.9M vs 11.7M
FIX 2×2.3× · $1,674.06 -0.4%
SP500
1556.351814.332072.31avg 523.8K05-2006-1807-17
daily RVOL 2.3×1.2M vs 523.8Kprice $1,674.06day -0.4%week-to-date 1.2× (5d in)2.6M vs 2.2M
EXPD 2×2.2× · $182.80 +0.5%
SP500
155.12169.32183.52avg 1.3M05-2006-1807-17
daily RVOL 2.2×2.7M vs 1.3Mprice $182.80day +0.5%week-to-date 1.4× (5d in)8.4M vs 6.0M
GRMN 2×2.1× · $249.56 -0.6%
SP500
226.96240.23253.49avg 931.2K05-2006-1807-17
daily RVOL 2.1×2.0M vs 931.2Kprice $249.56day -0.6%week-to-date 1.3× (5d in)5.0M vs 3.9M
FRT 2×2.1× · $126.02 +0.5%
SP500
114.58120.72126.86avg 797.4K05-2006-1807-17
daily RVOL 2.1×1.7M vs 797.4Kprice $126.02day +0.5%week-to-date 0.9× (5d in)3.7M vs 4.3M
TRV 2×2.0× · $368.98 +9.2%
SP500
287.11328.77370.43avg 2.1M05-2006-1807-17
daily RVOL 2.0×4.3M vs 2.1Mprice $368.98day +9.2%week-to-date 1.5× (5d in)11.7M vs 7.6M

Weekly volume abnormalities (week-to-date) · 6

BNY 3×4.1× · $157.13 -2.3%
SP500
10.1986.98163.77avg 4.7M02-0606-1807-17
daily RVOL 1.1×5.3M vs 4.7Mprice $157.13day -2.3%week-to-date 4.1× (5d in)28.3M vs 6.9M
IBM 3×3.6× · $212.67 -2.9%
SP500
204.44268.45332.46avg 13.1M05-2006-1807-17
daily RVOL 1.0×13.2M vs 13.1Mprice $212.67day -2.9%week-to-date 3.6× (5d in)137.7M vs 38.4M
PNR 3×3.3× · $62.45 -4.9%
SP500
57.6067.7877.96avg 3.1M05-2006-1807-17
daily RVOL 1.6×5.0M vs 3.1Mprice $62.45day -4.9%week-to-date 3.3× (5d in)30.3M vs 9.3M
ISRG 2×2.8× · $345.42 -14.1%
SP500
344.55397.16449.77avg 3.0M05-2006-1807-17
daily RVOL 3.9×11.6M vs 3.0Mprice $345.42day -14.1%week-to-date 2.8× (5d in)28.8M vs 10.4M
PYPL 2×2.1× · $56.56 -0.3%
SP500
40.2048.9457.67avg 20.3M05-2006-1807-17
daily RVOL 1.0×19.8M vs 20.3Mprice $56.56day -0.3%week-to-date 2.1× (5d in)174.3M vs 84.0M
BIIB 2×2.0× · $205.99 -1.4%
SP500
184.90202.31219.72avg 1.6M05-2006-1807-17
daily RVOL 0.7×1.2M vs 1.6Mprice $205.99day -1.4%week-to-date 2.0× (5d in)11.2M vs 5.6M

Volume abnormality flags attention/volatility, not direction — pair with the day colour and price level before acting.