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Onto Innovation Inc ONTO 155.99 -28.83 -15.6%

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ATM IV
0.919
Put Call Ratio (OI)
0.761
Put Call Ratio (Vol)
1.46
IV Rank
69.3
IV Percentile
89.8
Max pain
240

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
806.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-363.3
363.3
View values by strike
ONTO · Gamma exposure · 2026-11-05. USD of exposure per 1% underlying move.
StrikeCallsPuts
80.00 0 -1.05 K
85.00 48 -302
90.00 188 -445
95.00 186 -206
100.00 0 -6.21 K
105.00 71.4 -1.25 K
110.00 206 -4.76 K
115.00 728 -4.89 K
120.00 358 -2.72 K
125.00 1.47 K -6.71 K
130.00 431 -6.66 K
135.00 315 -8.59 K
140.00 1.29 K -22.1 K
145.00 1.07 K -6.64 K
150.00 11.9 K -37 K
155.00 709 -5.4 K
160.00 11 K -34.1 K
165.00 6.38 K -51.9 K
170.00 7.52 K -62.9 K
175.00 1.29 K -100 K
180.00 6.64 K -111 K
185.00 2.96 K -43.2 K
190.00 13.2 K -97.4 K
195.00 8.09 K -26.4 K
200.00 39.8 K -122 K
210.00 34.6 K -34.2 K
220.00 28.3 K -28.7 K
230.00 14.5 K -30.7 K
240.00 25 K -19.4 K
250.00 22.8 K -19.6 K
260.00 22.4 K -18.5 K
270.00 20.2 K -20.4 K
280.00 12.4 K -28 K
290.00 10.1 K -3.39 K
300.00 23.7 K -2.03 K
310.00 20.9 K -4.96 K
320.00 8.58 K -1.35 K
330.00 25.8 K -2.3 K
340.00 7.21 K -8.44 K
350.00 9.15 K -418
360.00 2.79 K -179
370.00 1.65 K 0
380.00 7.73 K -4.72 K
390.00 22.6 K -13.2 K
400.00 22.8 K -57.4
410.00 2.09 K -55.2
420.00 7.23 K 0
430.00 5.46 K 0
440.00 2.07 K 0
450.00 15.3 K -174
460.00 1.71 K 0
470.00 5.56 K 0
480.00 397 0
490.00 1.72 K 0
500.00 1.19 K 0
520.00 919 0