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ProShares Short 20+ Year Treasury TBF 25.59 -0.19 -0.74%

TBF Gamma Exposure (GEX)

TBF (ProShares Short 20+ Year Treasury): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

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ATM IV
0.322
Put Call Ratio (OI)
0.367
Put Call Ratio (Vol)
1.13
IV Rank
27.3
IV Percentile
98
Max Pain
26

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
-11.6
11.6
View values by strike
TBF · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
20.00 146 0
21.00 -9.32e-8 0
22.00 -1.48e-6 0
23.00 142 0
24.00 6.28 K 0
25.00 42.1 K -2.87 K
26.00 9.65 K -26.1 K
27.00 6.99 K -5.22 K
28.00 5.05 K -388
29.00 533 0
30.00 937 0