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Federal Signal Corp FSS 117.93 0.79 0.67%

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ATM IV
0.357
Put Call Ratio (OI)
0.87
Put Call Ratio (Vol)
2.14
IV Rank
28.7
IV Percentile
50.2
Max pain
125

Gamma exposure (2026-11-04)

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}
16.0
198.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-77.1
77.1
View values by strike
FSS · Gamma exposure · 2026-11-04. USD of exposure per 1% underlying move.
StrikeCallsPuts
75.00 68.3 0
80.00 0 -427
85.00 0 -1 K
90.00 0 -8.27 K
95.00 0 -12.7 K
100.00 0 -3.12 K
105.00 -4.97e-5 -3.09 K
110.00 3.79 K -18.2 K
115.00 17 K -19 K
120.00 16.7 K -1.63 K
125.00 149 K -81.5 K
130.00 26.4 K -3.62 K
135.00 2.04 K -190
140.00 509 0
145.00 473 0
150.00 1.02 K 0
155.00 950 0
160.00 218 0
165.00 154 0
170.00 447 0
175.00 50.7 0
180.00 50.3 0
195.00 36.6 0