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State Street SPDR S&P Biotech XBI 159.1 4.13 2.67%

Previous-day view · Wed Nov 4 close. You are previewing the previous trading day. Subscribe to see today live and every other date — Trader is $59/mo. Sign up Sign in
ATM IV
0.318
Put Call Ratio (OI)
0.982
Put Call Ratio (Vol)
2.35
IV Rank
55.7
IV Percentile
63.5
Max pain
153

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}
2.0
807.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-123.9
123.9
View values by strike
XBI · Gamma exposure · 2026-11-04. USD of exposure per 1% underlying move.
StrikeCallsPuts
35.00 -9.76e-8 -9.5 K
40.00 2.51e-6 0
45.00 -3.91e-6 -539
50.00 2.85e-7 -464
55.00 5.3e-7 -1.7 K
60.00 47.6 -15.8 K
65.00 1.11 K -16.8 K
66.00 0 -2.94 K
67.00 12.1 -27.9
68.00 17.7 -59.3
69.00 80.5 -48.6
70.00 1.12 K -67.2 K
71.00 1.36e-7 0
72.00 293 -1.06 K
73.00 144 0
74.00 -7.3e-7 0
75.00 249 -123 K
76.00 -8.51e-8 -54.5
77.00 7.54e-7 -983
78.00 3.21e-8 -1.12 K
79.00 181 -549
80.00 3.46 K -74.3 K
81.00 201 -2.28 K
82.00 822 -72.1 K
83.00 30.6 -1.16 K
84.00 195 -20.2 K
85.00 4 K -84.5 K
86.00 1.48 K -18.1 K
87.00 1.69 K -14.5 K
88.00 692 -38.5 K
89.00 189 -27.5 K
90.00 2.04 K -166 K
91.00 1.34 K -23.4 K
92.00 1.17 K -49.8 K
93.00 2.8 K -5.52 K
94.00 1.12 K -4.57 K
95.00 2.8 K -44.1 K
96.00 2.63 K -2.48 K
97.00 1.64 K -1.02 K
98.00 6.08 K -6.54 K
99.00 2.56 K -1.33 K
100.00 17.6 K -198 K
101.00 6.98 K -1.66 K
102.00 387 K -93.4 K
103.00 1.5 K -15.6 K
104.00 5.7 K -25.3 K
105.00 5.74 K -45.6 K
106.00 641 -20.9 K
107.00 2.38 K -12.3 K
108.00 -7.88e-5 -11.4 K
109.00 -1.79e-5 -6.33 K
110.00 44.2 K -194 K
111.00 -7.66e-7 -6.01 K
112.00 1.55e-5 -13.3 K
113.00 7.25e-6 -13 K
114.00 87.2 -6.85 K
115.00 71.5 K -72.8 K
116.00 1.92e-6 -45.7 K
117.00 -9.7e-6 -36 K
118.00 2.73e-5 -34.6 K
119.00 -8.7e-6 -13.2 K
120.00 191 K -922 K
121.00 -5.62e-6 -38.9 K
122.00 1.46e-6 -55.1 K
123.00 -1.98e-5 -95.6 K
124.00 1.04e-4 -292 K
125.00 56.6 K -878 K
126.00 -1.27e-5 -20.2 K
127.00 1.27e-4 -24.7 K
128.00 1.12 K -187 K
129.00 -8.41e-5 -33.6 K
130.00 1.88 M -1.18 M
131.00 4.56 K -39.4 K
132.00 29.9 K -21.3 K
133.00 12.5 K -720 K
134.00 4.34 K -153 K
135.00 427 K -1.48 M
136.00 8.38 K -103 K
137.00 7.24 K -651 K
138.00 16.6 K -708 K
139.00 30.1 K -265 K
140.00 572 K -2.15 M
141.00 24.6 K -317 K
142.00 389 K -389 K
143.00 73.1 K -929 K
144.00 659 K -1.01 M
145.00 2.54 M -4.49 M
146.00 83.7 K -452 K
146.50 0 -1.67 K
147.00 426 K -4.13 M
147.50 1.01 K -19.2 K
148.00 189 K -6.27 M
148.50 1.32 K -65 K
149.00 166 K -696 K
149.50 447 -35.6 K
150.00 3.75 M -5.51 M
151.00 109 K -1.2 M
152.00 147 K -701 K
152.50 224 K -582 K
153.00 284 K -3.78 M
154.00 685 K -748 K
155.00 3.77 M -3.44 M
156.00 992 K -402 K
157.00 881 K -187 K
157.50 357 K -153 K
158.00 1.3 M -224 K
159.00 1.47 M -553 K
160.00 6.92 M -4.26 M
161.00 1.07 M -261 K
162.00 1.05 M -676 K
162.50 462 K -20.4 K
163.00 718 K -755 K
164.00 933 K -691 K
165.00 10.8 M -1.71 M
166.00 667 K -27.6 K
167.00 726 K -45.2 K
167.50 188 K -55.4 K
168.00 304 K -24.6 K
169.00 311 K -20.9 K
170.00 7.77 M -490 K
171.00 286 K -12.7 K
172.00 111 K -523
172.50 13 K 0
173.00 669 K -782
174.00 118 K -68.3 K
175.00 16.7 M -414 K
176.00 11.4 M -18.8 K
177.00 774 K -10.8 K
177.50 340 0
178.00 226 K -3.82 K
179.00 140 K -18.8 K
180.00 3.31 M -77.8 K
181.00 167 K 0
182.00 506 K 0
183.00 71.1 K -5.12 K
184.00 36.6 K -312
185.00 1.22 M -799
186.00 8.39 K 0
187.00 3.34 K 0
188.00 953 0
189.00 733 0
190.00 1.86 M 0
195.00 552 K -256 K
200.00 1.61 M -8.06 K
205.00 497 K 0
210.00 93.2 K 0
215.00 188 K 0
220.00 141 K 0
225.00 13.2 K 0
230.00 16.1 K -1.39 K
235.00 77.3 K 0
240.00 1.3 K 0
245.00 4.32 K 0
250.00 6.88 K 0