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Group 1 Automotive GPI 272.81 7.8 2.94%

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ATM IV
0.446
Put Call Ratio (OI)
0.989
Put Call Ratio (Vol)
0.971
IV Rank
43.7
IV Percentile
77.3
Max pain
260

Gamma exposure (2026-11-04)

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}
16.0
163.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-427.0
427.0
View values by strike
GPI · Gamma exposure · 2026-11-04. USD of exposure per 1% underlying move.
StrikeCallsPuts
125.00 107 0
135.00 0 -363
140.00 0 -257
145.00 0 -359
150.00 61.5 -883
155.00 0 -3.54 K
160.00 0 -1.28 K
165.00 0 -1.73 K
170.00 59.9 -1.16 K
175.00 0 -1.59 K
180.00 0 -2.52 K
185.00 0 -1.13 K
190.00 0 -1.02 K
195.00 0 -1.58 K
200.00 250 -37.3 K
210.00 0 -5.52 K
220.00 763 -12.4 K
230.00 5.2 K -30.2 K
240.00 25 K -69.5 K
250.00 51.9 K -130 K
260.00 73 K -24.2 K
270.00 63 K -115 K
280.00 84 K -27.4 K
290.00 68.5 K -6.97 K
300.00 26.2 K -38.3 K
310.00 49.6 K -516
320.00 21.4 K -476
330.00 83.4 K -417
340.00 14.2 K -717
350.00 1.48 K -342
360.00 13.3 K 0
370.00 2.12 K -8.9 K
380.00 393 0
390.00 6.16 K 0
400.00 1.76 K 0
410.00 2.89 K 0
420.00 477 0
430.00 751 0
440.00 618 0
460.00 367 0
470.00 274 0
480.00 324 0
490.00 371 0
500.00 3.61 K 0
510.00 32.9 0
530.00 57.7 0
540.00 396 0