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State Street SPDR Bloomberg 3-12 BILS 99.25 0.02 0.02%

BILS Gamma Exposure (GEX)

BILS (State Street SPDR Bloomberg 3-12): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

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ATM IV
0.0197
Put Call Ratio (OI)
28.8
Put Call Ratio (Vol)
2.5
IV Rank
1.18
IV Percentile
8.58
Max Pain
100

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}
25.0
207.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-9.2
9.2
View values by strike
BILS · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
99.00 0 -1.18 M
100.00 0 -1.49 K