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Financial Institutions Inc FISI 40.33 -0.31 -0.76%

FISI Gamma Exposure (GEX)

FISI (Financial Institutions Inc): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

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ATM IV
0.22
Put Call Ratio (OI)
1.82
Put Call Ratio (Vol)
1.13
IV Rank
2.12
IV Percentile
1.2
Max Pain
40

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
179.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-22.8
22.8
View values by strike
FISI · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
22.50 0 -10.3
25.00 65.4 0
30.00 0 -532
35.00 233 -1.7 K
40.00 68.6 -3.21 K
45.00 1.2 K 0
50.00 731 0