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Staar Surgical Co STAA 26.72 -0.45 -1.66%

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ATM IV
0.517
Put Call Ratio (OI)
0.423
Put Call Ratio (Vol)
0.526
IV Rank
34.9
IV Percentile
19.8
Max pain
20

Gamma exposure (2026-11-05)

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}
15.0
224.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-21.0
21.0
View values by strike
STAA · Gamma exposure · 2026-11-05. USD of exposure per 1% underlying move.
StrikeCallsPuts
7.50 2.01 0
10.00 129 0
12.50 20.1 -2.82 K
15.00 95.8 -855
17.50 1.96 K -6.35 K
20.00 6.84 K -4.17 K
22.50 26.1 K -7.32 K
25.00 66.7 K -10.5 K
27.50 33.4 K -8.24 K
30.00 46.7 K -14.5 K
32.50 31.1 K 0
35.00 9.07 K 0
37.50 1.77 K 0
40.00 6.97 K 0
45.00 107 0
47.50 481 0