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West Pharmaceutical Services WST 392.48 -16.3 -3.99%

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ATM IV
0.284
Put Call Ratio (OI)
0.748
Put Call Ratio (Vol)
0.927
IV Rank
13.8
IV Percentile
26
Max pain
380

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
407.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-271.5
271.5
View values by strike
WST · Gamma exposure · 2026-11-05. USD of exposure per 1% underlying move.
StrikeCallsPuts
120.00 18.4 0
135.00 0 -154
140.00 0 -308
150.00 0 -23.2
155.00 0 -290
160.00 45.8 -159
165.00 0 -27.9
170.00 0 -111
175.00 0 -62.9
185.00 0 -714
190.00 89.6 -177
195.00 166 -40.4
200.00 215 -43
210.00 56.3 -52.4
220.00 608 -148
230.00 551 -2.15 K
240.00 816 -18.9 K
250.00 1.83 K -4.62 K
260.00 5.39 K -4.96 K
270.00 11.4 K -87.1 K
280.00 27.3 K -43.7 K
290.00 26.6 K -7.16 K
300.00 6.91 K -29.6 K
310.00 5.75 K -18.5 K
320.00 6.64 K -63 K
330.00 101 K -26.3 K
340.00 93.3 K -34.4 K
350.00 72.6 K -123 K
360.00 31.2 K -138 K
370.00 45.2 K -155 K
380.00 556 K -78.2 K
390.00 288 K -127 K
400.00 519 K -285 K
410.00 182 K -63.8 K
420.00 324 K -41.2 K
430.00 97.4 K -1.22 K
440.00 56.8 K -1.04 K
450.00 218 K 0
460.00 27.2 K 0
470.00 193 K -3.54 K
480.00 58.8 K 0
490.00 103 K 0
500.00 4.81 K 0
520.00 3.9 K 0
540.00 1.24 K 0
560.00 207 0