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iShares Core S&P U IUSG 191.08 1.01 0.53%

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ATM IV
0.139
Put Call Ratio (OI)
1.37
Put Call Ratio (Vol)
1.37
IV Rank
6.72
IV Percentile
3.1
Max Pain
181

Gamma exposure (2026-09-18)

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
182.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-96.1
96.1