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Range Global Coal Index ETF COAL 24.98 -0.02 -0.1%

COAL Gamma Exposure (GEX)

COAL (Range Global Coal Index ETF): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

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ATM IV
0.392
Put Call Ratio (OI)
0.0803
Put Call Ratio (Vol)
0.308
IV Rank
15.2
IV Percentile
46.9
Max Pain
27

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
-15.1
15.1
View values by strike
COAL · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
16.00 31.7 0
17.00 12.7 0
20.00 90.4 0
22.00 129 0
23.00 143 -647
24.00 84.6 -45.8
25.00 1.58 K -951
26.00 2.33 K -109
27.00 1.52 K 0
28.00 2.78 K -47
29.00 1.89 K -39.7
30.00 3.16 K 0
31.00 3.42 K 0
32.00 82.5 0
33.00 2.66 K 0
34.00 67.2 0
35.00 2.72 K 0