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Sutro Biopharma STRO 16.35 1.01 6.58%

STRO Gamma Exposure (GEX)

STRO (Sutro Biopharma): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

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ATM IV
1.9
Put Call Ratio (OI)
0.59
Put Call Ratio (Vol)
0.123
IV Rank
21.4
IV Percentile
83.1
Max Pain
17.5

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
242.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-43.6
43.6
View values by strike
STRO · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
12.50 0 -51.5
15.00 10 -97.2
17.50 157 -149
20.00 253 -84
22.50 215 -14.5
25.00 11.1 -33.9
30.00 79.2 -95.6
35.00 56.3 0
40.00 38.6 0
45.00 28.6 0