Vanguard Index Funds - Vanguard S&P 500 ETF (VOO) short interest & options flow
ARCAVOO put/call ratio collapses to 0.97, hitting 4.2 standard deviations below its 20-day mean of 4.04: strongest call bias since the series began tracking.
Short interest % of float, cost to borrow, utilization, and put/call ratio for VOO are part of the ORTEX premium tier. Sign up to read the live numbers alongside the analysis.
- Market cap
- $1.70T
Key data as of 4 Nov 2026
Latest signals on VOO
- Options
VOO put/call ratio collapses to 0.97, hitting 4.2 standard deviations below its 20-day mean of 4.04: strongest call bias since the series began tracking.
- Cost to Borrow
VOO cost to
5 Cost to Borrow updates in 30 days
- Short Interest
VOO short interest falls 30% in one week to 0.49% of float, settling near post-covering equilibrium; cost to borrow plummets 72% to 0.13%.
5 Short Interest updates in 30 days
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