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Vanguard S&P Small-Cap 600 ETF VIOO 129.51 0.35 0.27%

VIOO Gamma Exposure (GEX)

VIOO (Vanguard S&P Small-Cap 600 ETF): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

Previous-day view · Mon Sep 21 close. You are previewing the previous trading day. Subscribe to see today live and every other date — plans start at Delta, $39/mo. Sign up Sign in
ATM IV
Put Call Ratio (OI)
Put Call Ratio (Vol)
IV Rank
IV Percentile
Max Pain

Gamma exposure (2026-09-21)

GEX estimates dealer hedging flow at each strike.

Positive GEX = dealers are long gamma; they buy the dip and sell the rip, dampening volatility. Negative GEX = dealers are short gamma; they sell the dip and buy the rip, amplifying volatility.

DTE \text{DTE}
0.0
0.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
0.0
0.0

Nothing to draw for this chart on 2026-09-21.