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Sprott Junior Copper Miners ETF COPJ 45.12 0.15 0.33%

COPJ Gamma Exposure (GEX)

COPJ (Sprott Junior Copper Miners ETF): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

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ATM IV
0.423
Put Call Ratio (OI)
0.259
Put Call Ratio (Vol)
0.592
IV Rank
32.4
IV Percentile
13.6
Max Pain
46

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
-25.1
25.1
View values by strike
COPJ · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
25.00 35.5 -259
30.00 28.1 -131
31.00 30.9 0
32.00 33.4 0
34.00 0 -472
35.00 132 -355
36.00 453 -821
37.00 101 -52.9
38.00 59.1 -1.42 K
39.00 120 -214
40.00 1.22 K -1.71 K
41.00 0 -110
42.00 377 -1.17 K
43.00 3.49 K -621
44.00 2.22 K -733
45.00 3.84 K -2.3 K
46.00 2.78 K -15.8 K
47.00 1.94 K 0
48.00 3.16 K 0
49.00 4.39 K 0
50.00 23.6 K -80.1
51.00 92.1 0
52.00 348 0
53.00 1.59 K 0
54.00 718 0
55.00 17.6 K 0
60.00 1.02 K 0
65.00 1.21 K 0
70.00 182 0