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Onto Innovation Inc ONTO 277.0 13.57 5.15%

ONTO Gamma Exposure (GEX)

ONTO (Onto Innovation Inc): See how call and put gamma exposure is distributed across option strikes. Free delayed preview.

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ATM IV
0.66
Put Call Ratio (OI)
0.6
Put Call Ratio (Vol)
0.549
IV Rank
29.6
IV Percentile
37.1
Max Pain
270

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
851.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-240.2
240.2
View values by strike
ONTO · Gamma exposure · 2026-09-21. USD of exposure per 1% underlying move.
StrikeCallsPuts
80.00 0 -286
85.00 0 -76.2
90.00 0 -104
95.00 0 -45.6
100.00 0 -1.22 K
105.00 0 -240
110.00 35.9 -855
115.00 -1.58e-7 -171
120.00 -3.51e-8 -115
125.00 0 -200
130.00 0 -57.9
135.00 0 -248
140.00 36.9 -5.46 K
145.00 0 -208
150.00 57.4 -8.96 K
155.00 67.6 -492
160.00 213 -4.64 K
165.00 87.6 -3.96 K
170.00 728 -1.91 K
175.00 303 -15.1 K
180.00 2.48 K -5.68 K
185.00 449 -1.64 K
190.00 507 -22.1 K
195.00 1.98 K -5.57 K
200.00 11.2 K -75.7 K
210.00 11.8 K -119 K
220.00 7.11 K -65.7 K
230.00 13.2 K -39.2 K
240.00 11.1 K -45.9 K
250.00 42.4 K -45.6 K
260.00 54.2 K -46.2 K
270.00 51.7 K -91 K
280.00 41 K -102 K
290.00 71.4 K -18.6 K
300.00 76.2 K -9.89 K
310.00 47.5 K -15.6 K
320.00 81.4 K -6.41 K
330.00 309 K -13.1 K
340.00 21.2 K -1.59 K
350.00 46.8 K -1.13 K
360.00 18.4 K -841
370.00 24.1 K -540
380.00 37.7 K -8.73 K
390.00 246 K 0
400.00 140 K -711
410.00 10.9 K -213
420.00 43.7 K 0
430.00 55.8 K -1.22 K
440.00 9.8 K -584
450.00 136 K 0
460.00 11 K -2.33 K
470.00 6.91 K 0
480.00 808 0
490.00 10.6 K 0
500.00 8.48 K 0
520.00 5.81 K 0